/* roulang page: index */
:root{
  --bg:#FBF7EF;
  --bg-soft:#F4ECDD;
  --surface:#FFFFFF;
  --ink:#211C17;
  --ink-2:#5F554C;
  --ink-3:#8C8076;
  --line:#E6DAC6;
  --line-strong:#D6C6AC;
  --brand:#D99A2B;
  --brand-deep:#B57A15;
  --brand-soft:#F7E8C6;
  --accent:#B4452F;
  --accent-deep:#93341F;
  --green:#24382E;
  --green-2:#1C2A22;
  --green-soft:#E7EDE6;
  --radius-s:8px;
  --radius-m:16px;
  --radius-l:24px;
  --radius-btn:12px;
  --shadow-1:0 1px 2px rgba(33,28,23,.05);
  --shadow-2:0 8px 24px -12px rgba(33,28,23,.18);
  --shadow-3:0 24px 48px -24px rgba(33,28,23,.28);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.75;
  font-weight:400;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
input,textarea,select{font:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}
::selection{background:var(--brand-soft);color:var(--ink);}

.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
@media (max-width:520px){.wrap{padding:0 16px;}}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--green);color:#EFE6D6;font-size:13px;}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;height:36px;gap:16px;white-space:nowrap;overflow:hidden;}
.topbar-ver{display:inline-flex;align-items:center;gap:8px;font-variant-numeric:tabular-nums;color:#D8CDB8;}
.topbar-ver i{width:6px;height:6px;border-radius:50%;background:var(--brand);display:inline-block;}
.topbar-links{display:flex;align-items:center;gap:18px;}
.topbar-links a{color:#EFE6D6;transition:color .2s var(--ease);}
.topbar-links a:hover{color:var(--brand);}
@media (max-width:640px){.topbar-links{display:none;}}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;}
.navbar{
  background:rgba(251,247,239,.94);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;gap:24px;height:72px;}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo-mark{
  width:32px;height:32px;border-radius:9px;
  background:linear-gradient(150deg,var(--brand),var(--brand-deep));
  color:#fff;font-weight:800;font-size:15px;
  display:grid;place-items:center;
  box-shadow:var(--shadow-1);
  flex:0 0 auto;
}
.logo-text{display:flex;flex-direction:column;line-height:1.15;}
.logo-name{font-size:18px;font-weight:800;letter-spacing:-.01em;color:var(--ink);white-space:nowrap;}
.logo-sub{font-size:11px;letter-spacing:.08em;color:var(--ink-3);margin-top:2px;}
.nav-search{position:relative;flex:1 1 auto;max-width:520px;margin:0 auto;}
.nav-search svg{position:absolute;left:16px;top:50%;transform:translateY(-50%);width:18px;height:18px;stroke:var(--ink-3);}
.nav-search input{
  width:100%;height:44px;padding:0 88px 0 44px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-btn);
  font-size:14px;color:var(--ink);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
  -webkit-appearance:none;appearance:none;
}
.nav-search input::placeholder{color:var(--ink-3);font-size:14px;}
.nav-search input:focus{outline:none;border-color:var(--green);box-shadow:0 0 0 3px rgba(217,154,43,.25);}
.nav-search .kbd{
  position:absolute;right:10px;top:50%;transform:translateY(-50%);
  font-size:11px;color:var(--ink-3);background:var(--bg-soft);
  border:1px solid var(--line);border-radius:999px;padding:2px 10px;
  font-variant-numeric:tabular-nums;
}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.menu-btn{
  display:none;width:44px;height:44px;border-radius:var(--radius-btn);
  border:1px solid var(--line);background:var(--surface);
  align-items:center;justify-content:center;
  transition:background .2s var(--ease);
}
.menu-btn:hover{background:var(--bg-soft);}
.menu-btn svg{width:20px;height:20px;stroke:var(--ink);}
.catbar{border-bottom:1px solid var(--line);background:rgba(251,247,239,.98);}
.catbar-inner{display:flex;align-items:center;gap:4px;height:46px;overflow-x:auto;scrollbar-width:none;}
.catbar-inner::-webkit-scrollbar{display:none;}
.nav-link{
  padding:8px 14px;border-radius:8px;font-size:14px;font-weight:500;
  color:var(--ink-2);white-space:nowrap;
  transition:background .2s var(--ease),color .2s var(--ease);
}
.nav-link:hover{background:var(--bg-soft);color:var(--ink);}
.nav-link.is-active{
  color:var(--ink);font-weight:700;
  border-radius:8px 8px 0 0;
  box-shadow:inset 0 -2px 0 var(--brand);
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;line-height:1;
  transition:background .2s var(--ease),color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
  white-space:nowrap;
}
.btn:active{transform:scale(.98);}
.btn-primary{background:var(--accent);color:#fff;box-shadow:var(--shadow-1);}
.btn-primary:hover{background:var(--accent-deep);transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-outline{background:var(--surface);color:var(--green);border:1px solid var(--line-strong);}
.btn-outline:hover{background:var(--bg-soft);border-color:var(--brand);transform:translateY(-1px);}
.btn-light{background:#fff;color:var(--green-2);border:1px solid transparent;}
.btn-light:hover{background:var(--brand-soft);transform:translateY(-1px);}
.btn-text{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--green);height:48px;padding:0;}
.btn-text span{transition:transform .2s var(--ease);}
.btn-text:hover span{transform:translateX(3px);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none;}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:600;line-height:1;
  padding:6px 12px;border-radius:999px;
  background:var(--brand-soft);color:#7A5410;
}
.badge-green{background:var(--green-soft);color:#2C4A3A;}
.badge-accent{background:#F8E4DE;color:var(--accent-deep);}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;font-weight:500;
  padding:8px 14px;border-radius:999px;
  background:var(--surface);border:1px solid var(--line);color:var(--ink-2);
  transition:background .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
}
.chip:hover{background:var(--brand-soft);border-color:var(--brand);color:#7A5410;}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0;}
.section-tight{padding:64px 0;}
.section-soft{background:var(--bg-soft);}
.section-white{background:var(--surface);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:36px;}
.eyebrow{
  font-size:12px;font-weight:700;letter-spacing:.16em;
  color:var(--brand-deep);text-transform:uppercase;margin-bottom:10px;
}
.section-title{font-size:clamp(22px,2.6vw,30px);line-height:1.3;font-weight:700;color:var(--ink);letter-spacing:-.01em;}
.section-note{font-size:15px;line-height:1.75;color:var(--ink-2);max-width:36em;}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--green);white-space:nowrap;}
.link-more span{transition:transform .2s var(--ease);}
.link-more:hover span{transform:translateX(3px);}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--green);margin-top:18px;}
.link-arrow span{transition:transform .2s var(--ease);}
.link-arrow:hover span{transform:translateX(3px);}

/* ---------- Hero ---------- */
.hero{padding:52px 0 76px;background:var(--bg);position:relative;overflow:hidden;}
.hero::before{
  content:'';position:absolute;inset:0;
  background-image:radial-gradient(var(--brand) 1px,transparent 1px);
  background-size:22px 22px;opacity:.07;pointer-events:none;
}
.hero-grid{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;min-height:560px;}
.hero-title{font-size:clamp(28px,4.2vw,46px);line-height:1.2;font-weight:800;letter-spacing:-.015em;color:var(--ink);}
.hero-title em{font-style:normal;color:var(--brand-deep);}
.hero-sub{margin-top:20px;font-size:16px;line-height:1.75;color:var(--ink-2);max-width:34em;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px;}
.hero-meta{
  display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:30px;padding-top:22px;
  border-top:1px dashed var(--line-strong);
  font-size:13px;color:var(--ink-3);font-variant-numeric:tabular-nums;
}
.hero-meta b{color:var(--ink);font-weight:600;}
.trust-row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px 20px;margin-top:22px;}
.trust-item{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-2);}
.trust-item svg{width:16px;height:16px;stroke:var(--brand-deep);flex:0 0 auto;}
.hero-visual{
  position:relative;min-height:480px;border-radius:var(--radius-l);overflow:hidden;
  background:var(--green);box-shadow:var(--shadow-2);
}
.hero-visual-bg{position:absolute;inset:0;background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat;opacity:.6;}
.hero-visual::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(160deg,rgba(36,56,46,.45),rgba(28,42,34,.86));
}
.hero-cover{
  position:absolute;z-index:2;right:7%;top:11%;
  width:58%;max-width:290px;aspect-ratio:3/4;object-fit:cover;
  border-radius:var(--radius-m);box-shadow:var(--shadow-3);
  border:4px solid rgba(255,255,255,.14);
}
.hero-dots{
  position:absolute;z-index:2;left:6%;top:10%;width:96px;height:96px;
  background-image:radial-gradient(rgba(247,232,198,.9) 1.5px,transparent 1.5px);
  background-size:12px 12px;opacity:.5;pointer-events:none;
}
.hero-float{
  position:absolute;z-index:3;left:6%;bottom:8%;
  background:var(--surface);border-radius:var(--radius-m);
  padding:16px 18px;box-shadow:var(--shadow-2);max-width:250px;
  border:1px solid var(--line);
}
.hero-float-tag{font-size:11px;font-weight:700;letter-spacing:.12em;color:var(--brand-deep);}
.hero-float-title{margin-top:6px;font-size:15px;font-weight:700;color:var(--ink);}
.hero-float-meta{margin-top:4px;font-size:12px;color:var(--ink-3);font-variant-numeric:tabular-nums;}

/* ---------- 价值区 ---------- */
.value-grid{display:grid;grid-template-columns:7fr 5fr;gap:24px;align-items:stretch;}
.value-main{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-m);
  padding:24px;box-shadow:var(--shadow-1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
  display:flex;flex-direction:column;
}
.value-main:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.value-main img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--radius-btn);margin-bottom:22px;}
.value-main h3{font-size:20px;font-weight:700;line-height:1.5;margin-top:12px;}
.tick-list{margin-top:14px;display:grid;gap:10px;}
.tick-list li{position:relative;padding-left:22px;font-size:15px;line-height:1.7;color:var(--ink-2);}
.tick-list li::before{
  content:'';position:absolute;left:0;top:.62em;width:12px;height:12px;
  border-radius:50%;background:var(--brand-soft);
  box-shadow:inset 0 0 0 3px var(--brand);
}
.value-side{display:grid;grid-template-rows:1fr 1fr;gap:24px;}
.value-small{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-m);
  padding:24px;box-shadow:var(--shadow-1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.value-small:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.value-icon{
  width:44px;height:44px;border-radius:12px;background:var(--green-soft);
  display:grid;place-items:center;margin-bottom:14px;
}
.value-icon svg{width:22px;height:22px;stroke:var(--green);}
.value-small h3{font-size:18px;font-weight:700;line-height:1.5;}
.value-small p{margin-top:8px;font-size:14px;line-height:1.75;color:var(--ink-2);}

.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:32px;}
.flow-item{
  position:relative;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-m);padding:20px;box-shadow:var(--shadow-1);
}
.flow-num{
  width:36px;height:36px;border-radius:10px;background:var(--brand-soft);
  color:var(--brand-deep);font-weight:800;font-size:13px;
  display:grid;place-items:center;font-variant-numeric:tabular-nums;
  letter-spacing:.02em;
}
.flow-item h3{font-size:15px;font-weight:700;margin-top:14px;}
.flow-item p{margin-top:6px;font-size:13px;line-height:1.7;color:var(--ink-2);}
.flow-item:not(:last-child)::after{
  content:'';position:absolute;right:-16px;top:38px;width:16px;
  border-top:2px dashed var(--line-strong);
}

/* ---------- 截图轮播 ---------- */
.shot-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:28px;}
.shot-nav{display:flex;gap:8px;}
.shot-btn{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:var(--surface);display:grid;place-items:center;
  transition:background .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
}
.shot-btn:hover{background:var(--brand-soft);border-color:var(--brand);}
.shot-btn:active{transform:scale(.96);}
.shot-btn svg{width:18px;height:18px;stroke:var(--ink);}
.shot-track{
  display:flex;gap:16px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding:4px 4px 18px;scrollbar-width:none;
}
.shot-track::-webkit-scrollbar{display:none;}
.shot-card{
  flex:0 0 280px;scroll-snap-align:start;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-m);
  padding:12px;box-shadow:var(--shadow-1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.shot-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);}
.shot-card img{width:100%;aspect-ratio:9/16;object-fit:cover;border-radius:var(--radius-btn);}
.shot-card figcaption{padding:12px 4px 4px;font-size:13px;font-weight:600;color:var(--ink-2);}
.shot-dots{display:flex;gap:6px;justify-content:center;margin-top:6px;}
.shot-dots i{width:6px;height:6px;border-radius:50%;background:var(--line-strong);display:block;}
.shot-dots i.on{background:var(--brand);}

/* ---------- 系统要求 ---------- */
.req-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.req-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-m);
  padding:24px;box-shadow:var(--shadow-1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.req-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.req-card.is-primary{background:var(--green);border-color:var(--green);color:#F3ECE0;}
.req-top{display:flex;align-items:center;gap:10px;margin-bottom:6px;}
.req-top svg{width:22px;height:22px;stroke:var(--brand-deep);}
.req-card.is-primary .req-top svg{stroke:var(--brand);}
.req-name{font-size:16px;font-weight:700;}
.req-tag{font-size:11px;font-weight:700;padding:4px 9px;border-radius:999px;background:var(--brand);color:#2A2008;margin-left:auto;}
.req-list{margin-top:16px;display:grid;gap:0;}
.req-row{
  display:flex;justify-content:space-between;gap:12px;
  padding:10px 0;font-size:13px;
  border-bottom:1px dashed var(--line);
}
.req-card.is-primary .req-row{border-bottom-color:rgba(243,236,224,.18);}
.req-row:last-child{border-bottom:0;}
.req-row dt{color:var(--ink-3);flex:0 0 auto;}
.req-card.is-primary .req-row dt{color:rgba(243,236,224,.62);}
.req-row dd{margin:0;text-align:right;color:var(--ink);font-weight:500;font-variant-numeric:tabular-nums;}
.req-card.is-primary .req-row dd{color:#F3ECE0;}

/* ---------- 评价墙 ---------- */
.review-pin{
  background:var(--surface);border:1px solid var(--line);border-left:4px solid var(--brand);
  border-radius:var(--radius-m);padding:24px 26px;box-shadow:var(--shadow-1);
  margin-bottom:20px;display:flex;gap:20px;align-items:flex-start;
}
.review-pin p{font-size:16px;line-height:1.8;color:var(--ink);}
.review-pin .pin-meta{margin-top:10px;font-size:13px;color:var(--ink-3);}
.stars{display:inline-flex;gap:2px;color:var(--brand);font-size:13px;letter-spacing:1px;}
.review-wall{columns:3;column-gap:16px;}
.review-card{
  break-inside:avoid;margin-bottom:16px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-m);
  padding:20px;box-shadow:var(--shadow-1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.review-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);}
.review-card p{margin-top:10px;font-size:14px;line-height:1.8;color:var(--ink-2);}
.review-foot{display:flex;align-items:center;gap:8px;margin-top:14px;font-size:12px;color:var(--ink-3);}
.review-avatar{
  width:28px;height:28px;border-radius:50%;background:var(--green-soft);color:var(--green);
  display:grid;place-items:center;font-size:12px;font-weight:700;flex:0 0 auto;
}

/* ---------- 下载区块 ---------- */
.dl-block{
  background:var(--green);color:#F3ECE0;border-radius:var(--radius-l);
  padding:44px 40px;position:relative;overflow:hidden;
  box-shadow:var(--shadow-2);
}
.dl-block::before{
  content:'';position:absolute;right:-60px;top:-60px;width:260px;height:260px;
  border-radius:50%;background:radial-gradient(rgba(217,154,43,.28),transparent 70%);
  pointer-events:none;
}
.dl-grid{position:relative;display:grid;grid-template-columns:1fr auto;gap:40px;align-items:center;}
.dl-block h2{font-size:clamp(22px,2.6vw,28px);line-height:1.3;font-weight:700;color:#fff;}
.dl-block .dl-note{margin-top:12px;font-size:14px;line-height:1.8;color:rgba(243,236,224,.76);max-width:34em;}
.dl-ver{
  display:flex;flex-wrap:wrap;gap:8px 18px;margin-top:18px;
  font-size:13px;color:rgba(243,236,224,.7);font-variant-numeric:tabular-nums;
}
.dl-ver b{color:#F7E8C6;font-weight:600;}
.dl-right{display:flex;flex-direction:column;align-items:flex-end;gap:16px;}
.dl-btns{display:flex;flex-wrap:wrap;gap:10px;justify-content:flex-end;}
.dl-qr{
  width:96px;height:96px;border-radius:12px;background:#fff;
  display:grid;place-items:center;overflow:hidden;
}
.dl-qr img{width:100%;height:100%;object-fit:cover;}
.dl-qr-wrap{display:flex;align-items:center;gap:12px;}
.dl-qr-wrap span{font-size:13px;color:rgba(243,236,224,.72);max-width:8em;line-height:1.6;}
.dl-micro{
  display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:32px;padding-top:22px;
  border-top:1px solid rgba(243,236,224,.16);
  font-size:13px;color:rgba(243,236,224,.7);
}
.dl-micro a{color:#F7E8C6;text-decoration:underline;text-underline-offset:3px;}
.dl-micro a:hover{color:var(--brand);}

/* ---------- 最新信息 CMS ---------- */
.cms-grid{display:grid;grid-template-columns:1.15fr 1fr;gap:24px;align-items:start;}
.cms-feature{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-m);
  overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.cms-feature:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.cms-feature-cover{display:block;background:var(--brand-soft);}
.cms-feature-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.cms-feature-body{padding:22px 24px 24px;}
.cms-feature-title{margin-top:12px;font-size:19px;line-height:1.5;font-weight:700;color:var(--ink);}
.cms-feature-title a:hover{color:var(--brand-deep);}
.cms-feature-sum{
  margin-top:10px;font-size:14px;line-height:1.75;color:var(--ink-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.cms-meta{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin-top:16px;font-size:13px;color:var(--ink-3);font-variant-numeric:tabular-nums;
}
.cms-arrow{color:var(--green);font-weight:700;transition:transform .2s var(--ease);}
.cms-feature:hover .cms-arrow{transform:translateX(4px);}
.cms-list{display:grid;gap:12px;}
.cms-row{
  display:flex;gap:14px;align-items:center;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-m);
  padding:14px;box-shadow:var(--shadow-1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.cms-row:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:var(--line-strong);}
.cms-row-thumb{
  width:96px;height:72px;flex:0 0 auto;border-radius:10px;object-fit:cover;background:var(--brand-soft);
}
.cms-row-body{min-width:0;flex:1 1 auto;}
.cms-row-title{
  font-size:15px;font-weight:600;line-height:1.5;color:var(--ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.cms-row-meta{display:flex;gap:12px;margin-top:8px;font-size:12px;color:var(--ink-3);font-variant-numeric:tabular-nums;}
.empty-state{
  border:1.5px dashed var(--line-strong);border-radius:var(--radius-m);
  padding:44px 24px;text-align:center;background:var(--surface);min-height:200px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;
}
.empty-state svg{width:28px;height:28px;stroke:var(--ink-3);margin-bottom:4px;}
.empty-main{font-size:15px;font-weight:600;color:var(--ink);}
.empty-sub{font-size:13px;color:var(--ink-3);}

/* ---------- FAQ ---------- */
.faq-panel{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-m);
  padding:6px 24px;box-shadow:var(--shadow-1);
}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:last-child{border-bottom:0;}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:20px 0;font-size:16px;font-weight:600;color:var(--ink);
  transition:color .2s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--brand-deep);}
.faq-icon{
  position:relative;width:22px;height:22px;flex:0 0 auto;
  border-radius:50%;background:var(--brand-soft);
  transition:transform .24s var(--ease),background .2s var(--ease);
}
.faq-icon::before,.faq-icon::after{
  content:'';position:absolute;left:50%;top:50%;background:var(--brand-deep);
  transform:translate(-50%,-50%);border-radius:1px;
}
.faq-icon::before{width:10px;height:2px;}
.faq-icon::after{width:2px;height:10px;}
.faq-item[open] .faq-icon{transform:rotate(45deg);background:var(--brand);}
.faq-item[open] .faq-icon::before,.faq-item[open] .faq-icon::after{background:#2A2008;}
.faq-answer{padding:0 0 22px;font-size:15px;line-height:1.8;color:var(--ink-2);max-width:60em;}

/* ---------- 复述条 ---------- */
.repeat-bar{background:var(--bg-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.repeat-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:26px 0;}
.repeat-inner p{font-size:16px;font-weight:600;color:var(--ink);}
.repeat-inner p span{color:var(--ink-2);font-weight:400;font-size:14px;display:block;margin-top:4px;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--green-2);color:#DCD2C0;padding:64px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding-bottom:44px;}
.footer-brand .logo-name{color:#F7EFE1;}
.footer-brand .logo-sub{color:rgba(220,210,192,.55);}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.8;color:rgba(220,210,192,.7);max-width:30em;}
.footer-col h3{font-size:14px;font-weight:600;color:var(--brand);margin-bottom:16px;letter-spacing:.02em;}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{font-size:14px;color:rgba(220,210,192,.82);transition:color .2s var(--ease);}
.footer-col a:hover{color:var(--brand);}
.footer-bottom{
  border-top:1px solid rgba(220,210,192,.12);
  padding:22px 0 30px;display:flex;flex-wrap:wrap;gap:10px 24px;
  justify-content:space-between;font-size:13px;color:rgba(220,210,192,.58);
}
.footer-bottom a{color:rgba(220,210,192,.8);}
.footer-bottom a:hover{color:var(--brand);}

/* ---------- 移动端抽屉 ---------- */
.drawer{
  position:fixed;inset:0;z-index:120;background:rgba(28,42,34,.5);
  opacity:0;visibility:hidden;transition:opacity .24s var(--ease),visibility .24s var(--ease);
}
.drawer.is-open{opacity:1;visibility:visible;}
.drawer-panel{
  position:absolute;right:0;top:0;bottom:0;width:min(360px,88vw);
  background:var(--bg);padding:16px 18px 28px;overflow-y:auto;
  transform:translateX(100%);transition:transform .28s var(--ease);
  display:flex;flex-direction:column;gap:16px;
}
.drawer.is-open .drawer-panel{transform:translateX(0);}
.drawer-top{display:flex;align-items:center;justify-content:space-between;}
.drawer-close{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:var(--surface);display:grid;place-items:center;
}
.drawer-close svg{width:18px;height:18px;stroke:var(--ink);}
.drawer-search{position:relative;}
.drawer-search svg{position:absolute;left:14px;top:50%;transform:translateY(-50%);width:18px;height:18px;stroke:var(--ink-3);}
.drawer-search input{
  width:100%;height:48px;padding:0 14px 0 42px;
  border:1px solid var(--line);border-radius:var(--radius-btn);
  background:var(--surface);font-size:14px;
}
.drawer-search input:focus{outline:none;border-color:var(--green);box-shadow:0 0 0 3px rgba(217,154,43,.25);}
.drawer-nav{display:grid;gap:4px;}
.drawer-nav a{
  padding:13px 14px;border-radius:12px;font-size:15px;font-weight:500;color:var(--ink-2);
  background:var(--surface);border:1px solid var(--line);
  transition:background .2s var(--ease),color .2s var(--ease);
}
.drawer-nav a:hover{background:var(--brand-soft);color:#7A5410;}

/* ---------- 移动端底部吸附条 ---------- */
.mobile-bar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:100;
  background:var(--surface);border-top:1px solid var(--line);
  padding:10px 16px;align-items:center;justify-content:space-between;gap:14px;
  box-shadow:0 -8px 24px -18px rgba(33,28,23,.35);
  transform:translateY(110%);transition:transform .28s var(--ease);
}
.mobile-bar.is-show{transform:translateY(0);}
.mobile-bar-info{display:flex;flex-direction:column;line-height:1.35;font-size:12px;color:var(--ink-3);font-variant-numeric:tabular-nums;}
.mobile-bar-info strong{font-size:14px;color:var(--ink);font-weight:700;}
.mobile-bar .btn{height:44px;padding:0 20px;}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr 1fr;gap:36px;min-height:auto;}
  .value-grid{grid-template-columns:1fr;}
  .value-side{grid-template-rows:auto auto;}
  .req-grid{grid-template-columns:repeat(2,1fr);}
  .review-wall{columns:2;}
  .cms-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .dl-grid{grid-template-columns:1fr;}
  .dl-right{align-items:flex-start;}
  .dl-btns{justify-content:flex-start;}
  .flow{grid-template-columns:repeat(2,1fr);}
  .flow-item:not(:last-child)::after{display:none;}
}
@media (max-width:768px){
  .nav-search{display:none;}
  .menu-btn{display:inline-flex;}
  .nav-actions .btn-primary{display:none;}
  .hero{padding:36px 0 56px;}
  .hero-grid{grid-template-columns:1fr;gap:32px;}
  .hero-visual{min-height:300px;max-height:320px;}
  .hero-cover{width:48%;top:10%;right:6%;}
  .hero-float{display:none;}
  .hero-dots{width:64px;height:64px;background-size:10px 10px;}
  .section{padding:56px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:16px;}
  .review-wall{columns:1;}
  .req-grid{grid-template-columns:1fr;}
  .cms-row-thumb{width:88px;height:66px;}
  .dl-block{padding:28px 22px;border-radius:var(--radius-m);}
  .repeat-inner{flex-direction:column;align-items:flex-start;gap:16px;padding:22px 0;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px;}
  .site-footer{padding-top:48px;}
  .mobile-bar{display:flex;}
  body{padding-bottom:64px;}
  .shot-card{flex:0 0 76%;}
  .faq-panel{padding:4px 18px;}
}
@media (max-width:640px){
  .hero-actions .btn{width:100%;}
  .hero-actions{flex-direction:column;}
  .trust-row{grid-template-columns:1fr;}
  .flow{grid-template-columns:1fr;}
  .shot-head{flex-direction:column;align-items:flex-start;gap:14px;}
  .topbar-inner{justify-content:flex-start;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important;transition-duration:.01ms !important;scroll-behavior:auto !important;}
}

/* roulang page: article */
:root{
  --bg:#FBF7EF; --bg-soft:#F4ECDD; --surface:#FFFFFF;
  --ink:#211C17; --ink-2:#5F554C; --ink-3:#8C8076;
  --line:#E6DAC6; --line-strong:#D6C6AC;
  --brand:#D99A2B; --brand-deep:#B57A15; --brand-soft:#F7E8C6;
  --accent:#B4452F; --accent-deep:#93341F;
  --green:#24382E; --green-2:#1C2A22; --green-soft:#E7EDE6;
  --radius-sm:8px; --radius:16px; --radius-lg:24px; --radius-btn:12px;
  --shadow-1:0 1px 2px rgba(33,28,23,.05);
  --shadow-2:0 8px 24px -12px rgba(33,28,23,.18);
  --shadow-3:0 24px 48px -24px rgba(33,28,23,.28);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16px;line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:0;background:none}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
input,textarea,select{font:inherit;color:inherit}
:target{scroll-margin-top:96px}
[ id ]{scroll-margin-top:96px}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media (max-width:640px){ .wrap{padding:0 16px} }

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--green-2);color:#E9E0CF;font-size:13px}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:36px}
.topbar-left{display:flex;align-items:center;gap:8px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar-dot{width:6px;height:6px;border-radius:50%;background:var(--brand);flex:0 0 auto}
.topbar-right{display:flex;align-items:center;gap:18px;white-space:nowrap}
.topbar-right a{color:#C9C0B0;transition:color .2s var(--ease)}
.topbar-right a:hover{color:var(--brand)}
@media (max-width:767px){ .topbar-right{display:none} }

/* ---------- 头部 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(251,247,239,.94);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;gap:20px;height:72px}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{width:32px;height:32px;border-radius:var(--radius-sm);background:var(--brand);color:#2A1F0C;display:grid;place-items:center;font-weight:800;font-size:16px;line-height:1}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-name{font-size:18px;font-weight:800;letter-spacing:-.01em;color:var(--ink)}
.logo-sub{font-size:11px;letter-spacing:.08em;color:var(--ink-3)}
.nav-search{position:relative;flex:1 1 auto;max-width:520px;margin:0 auto;display:flex;align-items:center}
.nav-search input{
  width:100%;height:44px;border-radius:var(--radius-btn);border:1px solid var(--line-strong);
  background:#fff;padding:0 88px 0 44px;font-size:14px;color:var(--ink);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
  appearance:none;
}
.nav-search input::placeholder{color:var(--ink-3)}
.nav-search input:focus{outline:none;border-color:var(--green);box-shadow:0 0 0 3px rgba(217,154,43,.25)}
.nav-search .search-icon{position:absolute;left:14px;width:18px;height:18px;color:var(--ink-3);pointer-events:none}
.nav-search .kbd{position:absolute;right:8px;font-size:11px;padding:3px 9px;border-radius:999px;background:var(--bg-soft);border:1px solid var(--line);color:var(--ink-3);font-variant-numeric:tabular-nums}
.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.menu-btn{display:none;width:44px;height:44px;border-radius:var(--radius-btn);border:1px solid var(--line-strong);background:#fff;align-items:center;justify-content:center;color:var(--green)}
@media (max-width:1023px){
  .nav-search{max-width:none}
  .header-actions .btn-primary{display:none}
  .menu-btn{display:inline-flex}
}
@media (max-width:767px){
  .header-inner{height:64px;gap:12px}
  .nav-search{display:none}
  .logo-name{font-size:16px}
  .logo-sub{display:none}
}

/* ---------- 分类导航 ---------- */
.catbar{border-bottom:1px solid var(--line);background:var(--bg)}
.catbar-inner{display:flex;gap:4px;overflow-x:auto;scrollbar-width:none}
.catbar-inner::-webkit-scrollbar{display:none}
.nav-link{
  display:inline-flex;align-items:center;height:48px;padding:0 14px;font-size:14px;font-weight:500;
  color:var(--ink-2);border-bottom:2px solid transparent;white-space:nowrap;
  transition:background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.nav-link:hover{background:var(--bg-soft);color:var(--ink);border-radius:8px 8px 0 0}
.nav-link.is-active{color:var(--ink);font-weight:700;border-bottom-color:var(--brand)}
.nav-link:focus-visible{outline:2px solid var(--brand);outline-offset:-2px;border-radius:8px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--radius-btn);
  font-weight:600;font-size:15px;border:1px solid transparent;cursor:pointer;
  transition:transform .2s var(--ease),background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-deep);transform:translateY(-1px)}
.btn-primary:active{transform:scale(.98)}
.btn-outline{background:#fff;color:var(--green);border-color:var(--line-strong)}
.btn-outline:hover{border-color:var(--green);transform:translateY(-1px)}
.btn-ghost{background:transparent;color:var(--green);padding:0 6px;height:44px}
.btn-ghost:hover{color:var(--brand-deep)}
.btn-ghost svg{transition:transform .2s var(--ease)}
.btn-ghost:hover svg{transform:translateX(2px)}
.btn:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.btn[disabled]{opacity:.45;pointer-events:none}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
@media (max-width:640px){ .btn{width:100%} .btn-ghost{width:auto} }

/* ---------- 通用标签 ---------- */
.chip{display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:999px;font-size:12px;font-weight:500;background:var(--brand-soft);color:#6B4A0B;white-space:nowrap}
.chip-green{background:var(--green-soft);color:var(--green)}
.chip-accent{background:#F8E2DC;color:var(--accent)}
.meta-num{font-variant-numeric:tabular-nums}

/* ---------- 文章头部 ---------- */
.article-head{background:linear-gradient(180deg,var(--bg-soft) 0%,var(--bg) 100%);border-bottom:1px solid var(--line);padding:28px 0 32px}
.crumb{display:flex;flex-wrap:wrap;align-items:center;font-size:13px;color:var(--ink-3);margin-bottom:18px}
.crumb li{display:flex;align-items:center}
.crumb li+li::before{content:"/";margin:0 8px;color:var(--line-strong)}
.crumb a{transition:color .2s var(--ease)}
.crumb a:hover{color:var(--brand-deep)}
.crumb [aria-current]{color:var(--ink-2);max-width:22em;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-title{
  font-size:clamp(28px,4vw,40px);line-height:1.25;font-weight:800;letter-spacing:-.01em;
  margin:14px 0 16px;max-width:24em;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;font-size:13px;color:var(--ink-3)}
.article-meta span{display:inline-flex;align-items:center;gap:6px}
.article-meta svg{width:15px;height:15px;color:var(--brand-deep)}
.article-meta b{color:var(--ink-2);font-weight:500}

/* ---------- 文章主区 ---------- */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:48px;align-items:start;padding:40px 0 16px}
.article-main{min-width:0}
.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-1);padding:28px}
@media (max-width:1024px){
  .article-layout{grid-template-columns:minmax(0,1fr);gap:32px}
  .panel{padding:22px}
}

/* ---------- 正文排版 ---------- */
.prose-cn{font-size:17px;line-height:1.9;color:var(--ink);max-width:38em}
.prose-cn>*:first-child{margin-top:0}
.prose-cn p{margin:0 0 1.2em}
.prose-cn h2{
  font-size:23px;line-height:1.4;font-weight:700;color:var(--ink);
  margin:2.4em 0 .8em;padding-left:14px;border-left:4px solid var(--brand);border-radius:1px;
}
.prose-cn h3{font-size:19px;line-height:1.5;font-weight:600;margin:1.8em 0 .6em;color:var(--ink)}
.prose-cn h4{font-size:17px;font-weight:600;margin:1.6em 0 .5em}
.prose-cn a{color:var(--green);text-decoration:underline;text-underline-offset:3px;text-decoration-color:var(--line-strong);transition:color .2s var(--ease),text-decoration-color .2s var(--ease)}
.prose-cn a:hover{color:var(--brand-deep);text-decoration-color:var(--brand)}
.prose-cn strong{font-weight:700}
.prose-cn ul,.prose-cn ol{margin:0 0 1.2em;padding-left:1.4em}
.prose-cn ul li{list-style:none;position:relative;margin-bottom:.55em}
.prose-cn ul li::before{content:"";position:absolute;left:-1.1em;top:.72em;width:6px;height:6px;border-radius:50%;background:var(--brand)}
.prose-cn ol{list-style:decimal}
.prose-cn ol li{margin-bottom:.55em;padding-left:.2em}
.prose-cn ol li::marker{color:var(--brand-deep);font-weight:700}
.prose-cn blockquote{
  margin:1.6em 0;padding:18px 22px;background:var(--bg-soft);
  border-left:3px solid var(--green);border-radius:0 var(--radius-btn) var(--radius-btn) 0;
  color:var(--ink-2);font-family:"Noto Serif SC","Songti SC",serif;
}
.prose-cn blockquote p:last-child{margin-bottom:0}
.prose-cn img{border-radius:12px;margin:1.6em auto;height:auto}
.prose-cn figure{margin:1.6em 0}
.prose-cn figcaption{font-size:13px;color:var(--ink-3);text-align:center;margin-top:10px}
.prose-cn hr{border:0;border-top:1px dashed var(--line-strong);margin:2.2em 0}
.prose-cn table{display:block;width:100%;overflow-x:auto;border-collapse:collapse;font-size:15px;margin:1.6em 0;border-radius:var(--radius-btn);border:1px solid var(--line)}
.prose-cn thead th{background:var(--bg-soft);font-weight:600;text-align:left}
.prose-cn th,.prose-cn td{padding:10px 14px;border-bottom:1px solid var(--line);white-space:nowrap}
.prose-cn tbody tr:last-child td{border-bottom:0}
.prose-cn pre{background:var(--green-2);color:#F1E7D5;padding:18px 20px;border-radius:12px;overflow-x:auto;font-size:14px;line-height:1.7;margin:1.6em 0}
.prose-cn code{font-family:"JetBrains Mono","SFMono-Regular",Consolas,monospace;font-size:.9em;background:var(--bg-soft);padding:2px 6px;border-radius:6px;color:var(--accent-deep)}
.prose-cn pre code{background:none;color:inherit;padding:0}

/* 空态 */
.empty-state{
  border:1.5px dashed var(--line-strong);border-radius:var(--radius);
  padding:44px 24px;text-align:center;background:var(--bg-soft);
}
.empty-state svg{width:40px;height:40px;color:var(--brand-deep);margin:0 auto 14px}
.empty-state strong{display:block;font-size:15px;font-weight:600;margin-bottom:6px}
.empty-state p{font-size:13px;color:var(--ink-3);margin-bottom:18px}

/* ---------- 侧栏 ---------- */
.article-side{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px}
.side-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow-1)}
.side-title{display:flex;align-items:center;gap:8px;font-size:14px;font-weight:700;margin:0 0 14px;color:var(--ink)}
.side-title::before{content:"";width:4px;height:14px;border-radius:2px;background:var(--brand)}
.toc-list{font-size:14px;border-left:1px solid var(--line);max-height:340px;overflow:auto}
.toc-list a{display:block;padding:7px 12px;margin-left:-1px;border-left:2px solid transparent;color:var(--ink-2);transition:color .2s var(--ease),background-color .2s var(--ease),border-color .2s var(--ease)}
.toc-list a:hover{color:var(--ink);background:var(--bg-soft)}
.toc-list a.is-active{color:var(--ink);font-weight:600;border-left-color:var(--brand);background:var(--brand-soft)}
.toc-empty{font-size:13px;color:var(--ink-3)}
.dl-card{background:var(--green);border-color:var(--green);color:#EFE6D4}
.dl-card .side-title{color:#fff}
.dl-card .side-title::before{background:var(--brand)}
.dl-card p{font-size:13px;color:#C4BAAB;line-height:1.75;margin-bottom:16px}
.dl-qr{width:96px;height:96px;border-radius:10px;background:#fff;display:grid;place-items:center;margin-bottom:14px}
.dl-qr svg{width:64px;height:64px;color:var(--green-2)}
.dl-card .btn{width:100%}
.dl-card .dl-note{font-size:12px;color:#A9A091;margin:10px 0 0;text-align:center}
.rank-list{display:flex;flex-direction:column;gap:2px}
.rank-list a{display:flex;gap:10px;padding:9px 6px;border-radius:8px;font-size:14px;line-height:1.5;color:var(--ink-2);transition:background-color .2s var(--ease),color .2s var(--ease)}
.rank-list a:hover{background:var(--bg-soft);color:var(--ink)}
.rank-index{flex:0 0 auto;width:20px;height:20px;border-radius:6px;display:grid;place-items:center;font-size:11px;font-weight:700;background:var(--bg-soft);color:var(--ink-3);font-variant-numeric:tabular-nums;margin-top:2px}
.rank-list li:nth-child(-n+3) .rank-index{background:var(--brand-soft);color:#6B4A0B}
@media (max-width:1024px){ .article-side{position:static;flex-direction:column} }

/* ---------- 文末 ---------- */
.article-foot{margin-top:32px;display:flex;flex-direction:column;gap:28px}
.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px}
.tag-row .chip{cursor:default}
.copy-btn{display:inline-flex;align-items:center;gap:6px;height:32px;padding:0 14px;border-radius:999px;border:1px solid var(--line-strong);background:#fff;font-size:13px;color:var(--ink-2);transition:border-color .2s var(--ease),color .2s var(--ease)}
.copy-btn:hover{border-color:var(--green);color:var(--green)}
.copy-btn:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.copy-btn svg{width:15px;height:15px}
.pager{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.pager a{display:block;padding:18px 20px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-1);transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease)}
.pager a:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:var(--line-strong)}
.pager span{display:block;font-size:12px;color:var(--ink-3);margin-bottom:6px;letter-spacing:.04em}
.pager strong{display:block;font-size:15px;font-weight:600;line-height:1.5;color:var(--ink)}
@media (max-width:640px){ .pager{grid-template-columns:1fr} }

.related-block h2{font-size:clamp(20px,2.4vw,24px);font-weight:700;margin-bottom:18px}
.related-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:16px}
.rel-main{position:relative;display:block;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-1);transition:transform .2s var(--ease),box-shadow .2s var(--ease)}
.rel-main:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.rel-main img{width:100%;aspect-ratio:16/9;object-fit:cover}
.rel-main-body{padding:16px 18px 20px}
.rel-main h3{font-size:17px;font-weight:600;line-height:1.5;margin-bottom:8px}
.rel-main p{font-size:13px;color:var(--ink-3);line-height:1.7}
.rel-side{display:flex;flex-direction:column;gap:16px}
.rel-side a{display:flex;gap:14px;padding:14px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-1);transition:transform .2s var(--ease),box-shadow .2s var(--ease)}
.rel-side a:hover{transform:translateY(-3px);box-shadow:var(--shadow-2)}
.rel-side img{width:96px;height:72px;border-radius:10px;object-fit:cover;flex:0 0 auto}
.rel-side h3{font-size:14px;font-weight:600;line-height:1.5;margin-bottom:6px}
.rel-side span{font-size:12px;color:var(--ink-3)}
@media (max-width:767px){ .related-grid{grid-template-columns:1fr} .rel-side a{gap:12px} }

/* ---------- 下载 CTA ---------- */
.cta-dark{background:var(--green);border-radius:var(--radius-lg);padding:40px;display:grid;grid-template-columns:1fr auto;gap:32px;align-items:center;color:#EFE6D4;box-shadow:var(--shadow-2)}
.cta-dark h2{font-size:clamp(20px,2.6vw,26px);font-weight:700;color:#fff;margin-bottom:10px}
.cta-dark p{font-size:14px;color:#BFB5A5;line-height:1.8;max-width:36em}
.cta-dark .cta-actions{display:flex;flex-direction:column;gap:12px;min-width:200px}
.cta-dark .btn-outline{background:transparent;color:#F1E7D5;border-color:rgba(240,230,210,.3)}
.cta-dark .btn-outline:hover{border-color:var(--brand);color:#fff}
@media (max-width:767px){ .cta-dark{grid-template-columns:1fr;padding:28px 22px;gap:22px} .cta-dark .cta-actions{flex-direction:column} }

/* ---------- 断线分隔 ---------- */
.dash-divider{height:1px;background-image:linear-gradient(90deg,var(--line-strong) 0 8px,transparent 8px 16px);background-size:16px 1px;margin:36px 0}

/* ---------- 回到顶部 ---------- */
.back-top{position:fixed;right:24px;bottom:88px;width:48px;height:48px;border-radius:12px;background:var(--green);color:#F1E7D5;display:grid;place-items:center;box-shadow:var(--shadow-2);opacity:0;visibility:hidden;transform:translateY(10px);transition:opacity .25s var(--ease),transform .25s var(--ease),visibility .25s;z-index:65}
.back-top.show{opacity:1;visibility:visible;transform:none}
.back-top:hover{background:var(--green-2)}
.back-top:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
@media (max-width:767px){ .back-top{right:16px;bottom:80px;width:44px;height:44px} }

/* ---------- 移动端抽屉 ---------- */
.drawer{position:fixed;inset:0;z-index:90;background:rgba(28,42,34,.45);opacity:0;visibility:hidden;transition:opacity .25s var(--ease),visibility .25s}
.drawer.is-open{opacity:1;visibility:visible}
.drawer-panel{position:absolute;top:0;right:0;height:100%;width:min(360px,88vw);background:var(--bg);padding:20px;overflow-y:auto;transform:translateX(100%);transition:transform .28s var(--ease);display:flex;flex-direction:column;gap:18px}
.drawer.is-open .drawer-panel{transform:none}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px}
.drawer-close{width:40px;height:40px;border-radius:10px;border:1px solid var(--line-strong);background:#fff;display:grid;place-items:center;color:var(--ink-2)}
.drawer-search{position:relative;display:flex;align-items:center}
.drawer-search input{width:100%;height:48px;border-radius:var(--radius-btn);border:1px solid var(--line-strong);background:#fff;padding:0 16px 0 44px;font-size:14px}
.drawer-search input:focus{outline:none;border-color:var(--green);box-shadow:0 0 0 3px rgba(217,154,43,.25)}
.drawer-search svg{position:absolute;left:14px;width:18px;height:18px;color:var(--ink-3)}
.drawer-nav{display:flex;flex-direction:column;gap:4px}
.drawer-nav a{padding:12px 14px;border-radius:10px;font-size:15px;color:var(--ink-2)}
.drawer-nav a:hover,.drawer-nav a.is-active{background:var(--bg-soft);color:var(--ink);font-weight:600}

/* ---------- 移动端吸附条 ---------- */
.mobile-bar{display:none}
@media (max-width:768px){
  .mobile-bar{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:70;height:64px;align-items:center;justify-content:space-between;gap:12px;padding:0 16px;background:#fff;border-top:1px solid var(--line);transform:translateY(110%);transition:transform .28s var(--ease)}
  .mobile-bar.show{transform:none}
  .mobile-bar .mb-info{display:flex;flex-direction:column;line-height:1.3;font-size:12px;color:var(--ink-3)}
  .mobile-bar .mb-info b{font-size:13px;color:var(--ink);font-weight:600}
  .mobile-bar .btn{width:auto;height:42px;padding:0 20px;font-size:14px}
  body{padding-bottom:64px}
}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--green-2);color:#E9E0CF;padding:56px 0 24px;margin-top:64px}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:40px}
.footer-brand .logo-name{color:#FBF7EF}
.footer-brand .logo-sub{color:#9C9484}
.footer-brand .logo-mark{background:var(--brand);color:#2A1F0C}
.footer-brand p{font-size:14px;line-height:1.85;color:#ADA493;margin-top:16px;max-width:34em}
.footer-col h3{font-size:14px;font-weight:600;color:var(--brand);margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:#C4BAAB;transition:color .2s var(--ease)}
.footer-col a:hover{color:var(--brand)}
.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;margin-top:40px;padding-top:20px;border-top:1px solid rgba(233,224,207,.14);font-size:13px;color:#928A7C}
@media (max-width:900px){ .footer-grid{grid-template-columns:1fr 1fr;gap:32px} }
@media (max-width:560px){
  .footer-grid{grid-template-columns:1fr}
  .site-footer{padding:40px 0 20px}
  .footer-bottom{flex-direction:column}
}

@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important;transition-duration:.01ms !important;scroll-behavior:auto !important}
}

/* roulang page: category1 */
:root{
    --bg:#FBF7EF; --bg-soft:#F4ECDD; --surface:#FFFFFF;
    --ink:#211C17; --ink-2:#5F554C; --ink-3:#8C8076;
    --line:#E6DAC6; --line-strong:#D6C6AC;
    --brand:#D99A2B; --brand-deep:#B57A15; --brand-soft:#F7E8C6;
    --accent:#B4452F; --accent-deep:#93341F;
    --green:#24382E; --green-2:#1C2A22; --green-soft:#E7EDE6;
    --radius-sm:8px; --radius:16px; --radius-lg:24px; --radius-btn:12px;
    --shadow-1:0 1px 2px rgba(33,28,23,.05);
    --shadow-2:0 8px 24px -12px rgba(33,28,23,.18);
    --shadow-3:0 24px 48px -24px rgba(33,28,23,.28);
    --ease:cubic-bezier(.2,.7,.3,1);
    --header-h:119px;
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
  body{
    margin:0;
    font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
    background:var(--bg); color:var(--ink);
    font-size:16px; line-height:1.75; font-weight:400;
    -webkit-font-smoothing:antialiased;
  }
  img{display:block;max-width:100%;height:auto;}
  a{color:inherit;text-decoration:none;}
  button,input,select,textarea{font:inherit;color:inherit;}
  button{cursor:pointer;}
  ul,ol{margin:0;padding:0;}
  h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em;}
  :focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
  [id]{scroll-margin-top:112px;}

  .wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
  .section{padding:68px 0;}
  .section + .section{padding-top:0;}

  /* ---------- 顶部信息条 ---------- */
  .topbar{background:var(--green-2);color:#EDE4D4;font-size:13px;}
  .topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:12px;height:36px;}
  .topbar-version{display:inline-flex;align-items:center;gap:8px;white-space:nowrap;font-variant-numeric:tabular-nums;}
  .topbar-version .dot{width:6px;height:6px;border-radius:50%;background:var(--brand);display:inline-block;}
  .topbar-links{display:inline-flex;align-items:center;gap:10px;white-space:nowrap;}
  .topbar-links a{color:rgba(237,228,212,.76);transition:color .2s var(--ease);}
  .topbar-links a:hover{color:var(--brand-soft);}
  .topbar-links .sep{color:rgba(237,228,212,.32);}

  /* ---------- 导航 ---------- */
  .site-header{
    position:sticky;top:0;z-index:60;
    background:rgba(251,247,239,.94);
    -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
    border-bottom:1px solid var(--line);
  }
  .header-main{display:flex;align-items:center;gap:20px;height:72px;}
  .logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
  .logo-mark{
    width:32px;height:32px;border-radius:9px;background:var(--brand);
    color:var(--green-2);font-size:17px;font-weight:800;
    display:grid;place-items:center;box-shadow:var(--shadow-1);flex-shrink:0;
  }
  .logo-text{display:flex;flex-direction:column;line-height:1.15;}
  .logo-name{font-size:18px;font-weight:800;letter-spacing:-.01em;color:var(--ink);}
  .logo-sub{font-size:11px;letter-spacing:.08em;color:var(--ink-3);margin-top:2px;}

  .header-search{position:relative;flex:1 1 auto;max-width:520px;margin:0 auto;}
  .header-search input{
    width:100%;height:44px;border-radius:12px;border:1px solid var(--line-strong);
    background:var(--surface);padding:0 78px 0 44px;font-size:14px;
    outline:none;transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
  }
  .header-search input::placeholder{color:var(--ink-3);}
  .header-search input:focus{border-color:var(--green);box-shadow:0 0 0 3px rgba(217,154,43,.25);}
  .search-icon{
    position:absolute;left:14px;top:50%;transform:translateY(-50%);
    width:18px;height:18px;color:var(--ink-3);pointer-events:none;
  }
  .enter-key{
    position:absolute;right:10px;top:50%;transform:translateY(-50%);
    font-size:11px;color:var(--ink-3);border:1px solid var(--line);
    border-radius:999px;padding:2px 9px;background:var(--bg-soft);
    letter-spacing:.04em;pointer-events:none;
  }

  .header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;}

  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:44px;padding:0 22px;border-radius:var(--radius-btn);
    font-size:15px;font-weight:600;border:1px solid transparent;
    transition:transform .2s var(--ease),background-color .2s var(--ease),
               box-shadow .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
  }
  .btn-primary{background:var(--accent);color:#FFF8F2;box-shadow:var(--shadow-2);}
  .btn-primary:hover{background:var(--accent-deep);transform:translateY(-1px);box-shadow:var(--shadow-2);}
  .btn-primary:active{transform:scale(.98);}
  .btn-ghost{background:var(--surface);color:var(--green);border-color:var(--line-strong);}
  .btn-ghost:hover{border-color:var(--green);transform:translateY(-1px);}
  .btn-ghost:active{transform:scale(.98);}

  .menu-btn{
    display:none;align-items:center;justify-content:center;
    width:44px;height:44px;border-radius:12px;border:1px solid var(--line-strong);
    background:var(--surface);color:var(--ink);transition:background-color .2s var(--ease);
  }
  .menu-btn:hover{background:var(--bg-soft);}

  .catbar{border-top:1px solid var(--line);}
  .catbar-inner{
    display:flex;align-items:center;gap:4px;height:46px;
    overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;
  }
  .catbar-inner::-webkit-scrollbar{display:none;}
  .nav-link{
    position:relative;display:inline-flex;align-items:center;height:34px;
    padding:0 14px;border-radius:8px;font-size:14px;font-weight:600;
    color:var(--ink-2);white-space:nowrap;
    transition:background-color .2s var(--ease),color .2s var(--ease);
  }
  .nav-link:hover{background:var(--bg-soft);color:var(--ink);}
  .nav-link.is-active{color:var(--ink);font-weight:700;}
  .nav-link.is-active::after{
    content:"";position:absolute;left:14px;right:14px;bottom:2px;
    height:2px;border-radius:2px;background:var(--brand);
  }

  /* 移动端抽屉 */
  .mobile-drawer{
    display:none;position:absolute;left:0;right:0;top:100%;z-index:70;
    background:var(--surface);border-bottom:1px solid var(--line);
    box-shadow:var(--shadow-3);padding:16px 0 22px;
  }
  .mobile-drawer.is-open{display:block;}
  .drawer-search{position:relative;margin-bottom:16px;}
  .drawer-search input{
    width:100%;height:48px;border-radius:12px;border:1px solid var(--line-strong);
    background:var(--bg);padding:0 16px 0 44px;font-size:15px;outline:none;
  }
  .drawer-search input:focus{border-color:var(--green);box-shadow:0 0 0 3px rgba(217,154,43,.25);}
  .drawer-links{display:grid;gap:4px;margin-bottom:16px;}
  .drawer-links a{
    display:flex;align-items:center;justify-content:space-between;
    padding:12px 14px;border-radius:10px;font-size:15px;font-weight:600;color:var(--ink-2);
    transition:background-color .2s var(--ease),color .2s var(--ease);
  }
  .drawer-links a:hover{background:var(--bg-soft);color:var(--ink);}
  .drawer-links a.is-active{background:var(--green-soft);color:var(--green);}
  .drawer-links a span{font-size:12px;color:var(--ink-3);font-weight:500;}
  .drawer-cta{width:100%;height:48px;}

  /* ---------- 页面头部 ---------- */
  .page-hero{
    position:relative;overflow:hidden;
    background:linear-gradient(180deg,var(--bg-soft) 0%,var(--bg) 100%);
    border-bottom:1px solid var(--line);
  }
  .page-hero::before{
    content:"";position:absolute;inset:0;
    background-image:url(/assets/images/backpic/back-2.webp);
    background-size:cover;background-position:center;
    opacity:.1;pointer-events:none;
  }
  .page-hero .wrap{position:relative;padding-top:28px;padding-bottom:40px;}

  .breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-3);margin-bottom:18px;list-style:none;}
  .breadcrumb li{display:inline-flex;align-items:center;gap:8px;}
  .breadcrumb li + li::before{content:"/";color:var(--line-strong);}
  .breadcrumb a{transition:color .2s var(--ease);}
  .breadcrumb a:hover{color:var(--brand-deep);}
  .breadcrumb li[aria-current]{color:var(--ink);font-weight:600;}

  .hero-row{display:flex;align-items:flex-end;justify-content:space-between;gap:48px;}
  .hero-copy{max-width:660px;}
  .chip{
    display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 12px;
    border-radius:999px;font-size:12px;font-weight:600;letter-spacing:.02em;
    background:var(--brand-soft);color:var(--brand-deep);
  }
  .page-hero h1{
    font-size:clamp(28px,4.2vw,42px);line-height:1.24;font-weight:800;
    margin:14px 0 16px;letter-spacing:-.01em;
  }
  .hero-desc{margin:0;font-size:16px;line-height:1.8;color:var(--ink-2);max-width:34em;}

  .hero-side{width:340px;flex-shrink:0;}
  .hero-search{position:relative;display:flex;align-items:center;}
  .hero-search input{
    width:100%;height:52px;border-radius:12px;border:1px solid var(--line-strong);
    background:var(--surface);padding:0 96px 0 44px;font-size:15px;outline:none;
    transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
  }
  .hero-search input::placeholder{color:var(--ink-3);}
  .hero-search input:focus{border-color:var(--green);box-shadow:0 0 0 3px rgba(217,154,43,.25);}
  .hero-search-btn{
    position:absolute;right:6px;top:6px;height:40px;padding:0 18px;
    border:none;border-radius:9px;background:var(--accent);color:#FFF8F2;
    font-size:14px;font-weight:600;transition:background-color .2s var(--ease),transform .2s var(--ease);
  }
  .hero-search-btn:hover{background:var(--accent-deep);}
  .hero-search-btn:active{transform:scale(.98);}
  .hero-meta{
    display:flex;flex-wrap:wrap;align-items:center;gap:8px 10px;
    margin-top:14px;font-size:13px;color:var(--ink-3);font-variant-numeric:tabular-nums;
  }
  .hero-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--line-strong);}

  /* ---------- 筛选条 ---------- */
  .filter-bar{
    position:sticky;top:var(--header-h);z-index:40;
    background:rgba(251,247,239,.96);
    -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
    border-bottom:1px solid var(--line);
  }
  .filter-inner{display:flex;align-items:center;gap:16px;min-height:64px;padding-top:9px;padding-bottom:9px;}
  .chip-scroll{
    display:flex;align-items:center;gap:8px;flex:1 1 auto;
    overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;padding:2px;
  }
  .chip-scroll::-webkit-scrollbar{display:none;}
  .f-chip{
    display:inline-flex;align-items:center;height:34px;padding:0 15px;
    border-radius:999px;border:1px solid var(--line-strong);background:var(--surface);
    font-size:14px;font-weight:600;color:var(--ink-2);white-space:nowrap;
    transition:background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
  }
  .f-chip:hover{border-color:var(--brand);color:var(--ink);}
  .f-chip.is-active{background:var(--green);border-color:var(--green);color:#F7F1E4;}
  .sort-wrap{display:flex;align-items:center;gap:8px;flex-shrink:0;font-size:14px;color:var(--ink-2);}
  .sort-wrap label{font-weight:600;color:var(--ink-3);font-size:13px;}
  .sort-wrap select{
    height:38px;border-radius:10px;border:1px solid var(--line-strong);
    background-color:var(--surface);padding:0 34px 0 12px;font-size:14px;
    font-weight:600;color:var(--ink);cursor:pointer;-webkit-appearance:none;appearance:none;
    background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1.5 6 6.5 11 1.5' fill='none' stroke='%238C8076' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat:no-repeat;background-position:right 11px center;
    transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
  }
  .sort-wrap select:focus{border-color:var(--green);box-shadow:0 0 0 3px rgba(217,154,43,.25);outline:none;}

  /* ---------- 板块标题 ---------- */
  .section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:24px;}
  .section-head h2{font-size:clamp(22px,2.6vw,30px);line-height:1.3;font-weight:700;}
  .section-head p{margin:6px 0 0;font-size:14px;color:var(--ink-3);font-variant-numeric:tabular-nums;}
  .text-link{
    display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;
    color:var(--green);white-space:nowrap;transition:color .2s var(--ease);
  }
  .text-link:hover{color:var(--brand-deep);}
  .text-link svg{transition:transform .2s var(--ease);}
  .text-link:hover svg{transform:translateX(2px);}

  /* ---------- 瀑布流卡片 ---------- */
  .masonry{column-count:4;column-gap:24px;}
  .m-card{
    break-inside:avoid;-webkit-column-break-inside:avoid;page-break-inside:avoid;
    background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
    overflow:hidden;box-shadow:var(--shadow-1);margin:0 0 24px;
    transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
  }
  .m-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:var(--line-strong);}
  .m-cover{position:relative;display:block;aspect-ratio:3/4;overflow:hidden;background:var(--brand-soft);}
  .m-cover img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease);}
  .m-card:hover .m-cover img{transform:scale(1.04);}
  .play-badge{
    position:absolute;inset:0;margin:auto;width:52px;height:52px;border-radius:50%;
    background:rgba(28,42,34,.74);display:grid;place-items:center;color:#F7F1E4;
    opacity:0;transform:scale(.9);
    transition:opacity .2s var(--ease),transform .2s var(--ease);
  }
  .m-card:hover .play-badge{opacity:1;transform:scale(1);}
  .m-duration{
    position:absolute;right:10px;bottom:10px;
    background:rgba(28,42,34,.84);color:#F7F1E4;font-size:12px;font-weight:600;
    padding:2px 9px;border-radius:999px;font-variant-numeric:tabular-nums;letter-spacing:.02em;
  }
  .m-body{padding:14px 16px 16px;}
  .m-tags{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:9px;}
  .tag{font-size:12px;font-weight:600;padding:2px 9px;border-radius:999px;line-height:1.6;}
  .tag-green{background:var(--green-soft);color:var(--green);}
  .tag-brand{background:var(--brand-soft);color:var(--brand-deep);}
  .tag-accent{background:#F8E3DD;color:var(--accent-deep);}
  .m-body h3{
    font-size:16px;line-height:1.55;font-weight:600;margin-bottom:6px;
    display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
    transition:color .2s var(--ease);
  }
  .m-card:hover .m-body h3{color:var(--brand-deep);}
  .m-desc{
    margin:0 0 10px;font-size:13px;line-height:1.7;color:var(--ink-2);
    display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  }
  .m-meta{
    display:flex;align-items:center;justify-content:space-between;gap:8px;
    font-size:12px;color:var(--ink-3);font-variant-numeric:tabular-nums;
  }

  /* ---------- 分页 ---------- */
  .pagination{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:8px;margin-top:40px;}
  .page-btn{
    display:grid;place-items:center;min-width:40px;height:40px;padding:0 12px;
    border-radius:10px;border:1px solid var(--line-strong);background:var(--surface);
    font-size:14px;font-weight:600;color:var(--ink-2);font-variant-numeric:tabular-nums;
    transition:background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
  }
  .page-btn:hover{background:var(--bg-soft);color:var(--ink);}
  .page-btn.is-current{background:var(--green);border-color:var(--green);color:#F7F1E4;}
  .page-btn.is-disabled{opacity:.45;pointer-events:none;}

  /* ---------- 下载精简区 ---------- */
  .dl-compact{
    position:relative;overflow:hidden;color:#EFE6D6;
    background:var(--green-2);border-radius:var(--radius-lg);
    padding:36px 40px;display:flex;align-items:center;justify-content:space-between;gap:40px;
  }
  .dl-compact::before{
    content:"";position:absolute;inset:0;
    background-image:url(/assets/images/backpic/back-3.webp);
    background-size:cover;background-position:center;
    opacity:.13;pointer-events:none;
  }
  .dl-copy{position:relative;max-width:600px;}
  .dl-copy h2{font-size:clamp(22px,2.6vw,28px);line-height:1.35;color:#FAF4E8;margin-bottom:10px;}
  .dl-copy p{margin:0 0 20px;font-size:14px;line-height:1.8;color:rgba(239,230,214,.76);font-variant-numeric:tabular-nums;}
  .dl-actions{display:flex;flex-wrap:wrap;align-items:center;gap:12px;}
  .dl-btn{height:48px;padding:0 26px;}
  .dl-side{position:relative;display:flex;flex-direction:column;align-items:center;gap:10px;flex-shrink:0;}
  .qr-box{
    width:96px;height:96px;border-radius:14px;background:#FFFFFF;
    display:grid;place-items:center;box-shadow:var(--shadow-2);overflow:hidden;
  }
  .dl-side p{margin:0;font-size:13px;color:rgba(239,230,214,.72);text-align:center;max-width:120px;line-height:1.6;}

  /* ---------- 页脚 ---------- */
  .site-footer{background:var(--green-2);color:rgba(244,236,221,.78);padding:60px 0 26px;}
  .footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:40px;}
  .footer-brand .logo{margin-bottom:4px;}
  .footer-brand .logo-name{color:#FAF4E8;}
  .footer-brand .logo-sub{color:rgba(244,236,221,.55);}
  .footer-brand p{margin:16px 0 0;font-size:14px;line-height:1.85;max-width:34em;color:rgba(244,236,221,.68);}
  .footer-col h3{font-size:14px;font-weight:600;color:var(--brand-soft);margin-bottom:16px;}
  .footer-col ul{list-style:none;display:grid;gap:11px;}
  .footer-col a{font-size:14px;color:rgba(244,236,221,.76);transition:color .2s var(--ease);}
  .footer-col a:hover{color:var(--brand);}
  .footer-bottom{
    display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
    border-top:1px solid rgba(244,236,221,.14);margin-top:44px;padding-top:22px;
    font-size:13px;color:rgba(244,236,221,.58);
  }
  .footer-bottom p{margin:0;}

  /* ---------- 响应式 ---------- */
  @media (max-width:1024px){
    .masonry{column-count:3;}
    .hero-row{flex-direction:column;align-items:stretch;gap:28px;}
    .hero-side{width:100%;max-width:520px;}
    .footer-grid{grid-template-columns:1fr 1fr;gap:32px 28px;}
    .section{padding:56px 0;}
  }
  @media (max-width:900px){
    :root{--header-h:110px;}
    .header-main{height:64px;}
    .header-search{display:none;}
    .header-cta{display:none;}
    .menu-btn{display:inline-flex;}
    .topbar-links{display:none;}
    .topbar-inner{justify-content:flex-start;}
    .dl-compact{flex-direction:column;align-items:flex-start;gap:28px;padding:30px 26px;}
    .dl-side{flex-direction:row;align-items:center;gap:14px;}
    .dl-side p{text-align:left;max-width:none;}
  }
  @media (max-width:768px){
    .masonry{column-count:2;column-gap:16px;}
    .m-card{margin-bottom:16px;}
    .section{padding:48px 0;}
    .section-head{flex-direction:column;align-items:flex-start;gap:10px;}
    .page-hero .wrap{padding-top:22px;padding-bottom:32px;}
    .hero-desc{font-size:15px;}
    .footer-grid{grid-template-columns:1fr;}
    .footer-brand p{max-width:none;}
    .dl-actions .btn{width:100%;}
    .filter-inner{gap:10px;}
    .sort-wrap label{display:none;}
  }
  @media (max-width:520px){
    .wrap{padding:0 16px;}
    .masonry{column-count:1;}
    .hero-search input{padding-right:88px;}
    .hero-search-btn{padding:0 14px;font-size:13px;}
    .m-body{padding:12px 14px 14px;}
    .pagination .page-btn{min-width:38px;height:38px;}
  }
  @media (prefers-reduced-motion:reduce){
    *,*::before,*::after{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
  }

/* roulang page: category2 */
:root{
    --bg:#FBF7EF;
    --bg-soft:#F4ECDD;
    --surface:#FFFFFF;
    --ink:#211C17;
    --ink-2:#5F554C;
    --ink-3:#8C8076;
    --line:#E6DAC6;
    --line-strong:#D6C6AC;
    --brand:#D99A2B;
    --brand-deep:#B57A15;
    --brand-soft:#F7E8C6;
    --accent:#B4452F;
    --accent-deep:#93341F;
    --green:#24382E;
    --green-2:#1C2A22;
    --green-soft:#E7EDE6;
    --ok:#2F6B4F;
    --warn:#B57A15;
    --err:#A33A2A;
    --r-sm:8px;
    --r-card:16px;
    --r-lg:24px;
    --r-btn:12px;
    --sh-1:0 1px 2px rgba(33,28,23,.05);
    --sh-2:0 8px 24px -12px rgba(33,28,23,.18);
    --sh-3:0 24px 48px -24px rgba(33,28,23,.28);
    --ease:cubic-bezier(.2,.7,.3,1);
  }

  *,*::before,*::after{box-sizing:border-box;}
  html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
  body{
    margin:0;
    background:var(--bg);
    color:var(--ink);
    font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
    font-size:16px;
    line-height:1.75;
    font-weight:400;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;height:auto;}
  a{color:inherit;text-decoration:none;}
  button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
  input,textarea{font:inherit;color:inherit;}
  ul,ol{margin:0;padding:0;}
  h1,h2,h3,p,figure{margin:0;}
  a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,summary:focus-visible{
    outline:2px solid var(--brand);
    outline-offset:2px;
    border-radius:6px;
  }

  .wrap{
    width:100%;
    max-width:1200px;
    margin:0 auto;
    padding:0 24px;
  }

  /* 顶部信息条 */
  .topbar{
    background:var(--green);
    color:#F1E9DA;
    font-size:13px;
    height:36px;
  }
  .topbar-inner{
    height:36px;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:16px;
  }
  .topbar-inner p{margin:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;letter-spacing:.01em;}
  .topbar-links{display:flex;gap:18px;flex-shrink:0;}
  .topbar-links a{color:rgba(241,233,218,.82);transition:color .2s var(--ease);}
  .topbar-links a:hover{color:var(--brand);}

  /* 头部与导航 */
  .site-header{
    position:sticky;
    top:0;
    z-index:60;
    background:rgba(251,247,239,.94);
    -webkit-backdrop-filter:blur(8px);
    backdrop-filter:blur(8px);
    border-bottom:1px solid var(--line);
  }
  .nav-main{
    display:flex;
    align-items:center;
    gap:20px;
    height:72px;
  }
  .logo{
    display:inline-flex;
    align-items:center;
    gap:10px;
    flex-shrink:0;
  }
  .logo-mark{
    width:32px;height:32px;
    border-radius:9px;
    background:var(--brand);
    color:#fff;
    display:grid;place-items:center;
    font-weight:800;font-size:16px;
    box-shadow:var(--sh-1);
    flex-shrink:0;
  }
  .logo-text{display:flex;flex-direction:column;line-height:1.1;}
  .logo-name{
    font-size:18px;
    font-weight:800;
    letter-spacing:-.01em;
    color:var(--ink);
    white-space:nowrap;
  }
  .logo-sub{
    font-size:11px;
    letter-spacing:.08em;
    color:var(--ink-3);
    margin-top:3px;
  }

  .nav-search{
    flex:1;
    max-width:520px;
    margin:0 auto;
    position:relative;
    display:flex;
    align-items:center;
  }
  .nav-search .search-icon{
    position:absolute;
    left:16px;
    width:18px;height:18px;
    color:var(--ink-3);
    pointer-events:none;
  }
  .nav-search input[type="search"]{
    width:100%;
    height:44px;
    border-radius:var(--r-btn);
    border:1px solid var(--line-strong);
    background:var(--surface);
    padding:0 78px 0 44px;
    font-size:14px;
    color:var(--ink);
    transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
  }
  .nav-search input[type="search"]::placeholder{color:var(--ink-3);font-size:14px;}
  .nav-search input[type="search"]:focus{
    outline:none;
    border-color:var(--green);
    box-shadow:0 0 0 3px rgba(217,154,43,.25);
  }
  .search-key{
    position:absolute;
    right:10px;
    font-size:11px;
    letter-spacing:.06em;
    color:var(--ink-3);
    background:var(--bg-soft);
    border:1px solid var(--line);
    border-radius:999px;
    padding:2px 9px;
    pointer-events:none;
  }

  .nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;}

  .btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    height:48px;
    padding:0 24px;
    border-radius:var(--r-btn);
    font-size:15px;
    font-weight:600;
    border:1px solid transparent;
    cursor:pointer;
    white-space:nowrap;
    transition:background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
  }
  .btn-primary{background:var(--accent);color:#fff;box-shadow:var(--sh-1);}
  .btn-primary:hover{background:var(--accent-deep);transform:translateY(-1px);box-shadow:var(--sh-2);}
  .btn-primary:active{transform:scale(.98);}
  .btn-outline{background:var(--surface);color:var(--green);border-color:var(--line-strong);}
  .btn-outline:hover{border-color:var(--green);background:var(--bg-soft);transform:translateY(-1px);}
  .btn-outline:active{transform:scale(.98);}
  .btn-ghost{background:transparent;color:var(--green);padding:0 2px;}
  .btn-ghost svg{transition:transform .2s var(--ease);}
  .btn-ghost:hover svg{transform:translateX(3px);}
  .btn-sm{height:38px;padding:0 16px;font-size:14px;border-radius:10px;}
  .btn-nav{height:42px;padding:0 20px;font-size:14px;}
  .btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none;}

  .menu-toggle{
    display:none;
    width:44px;height:44px;
    border-radius:10px;
    border:1px solid var(--line-strong);
    background:var(--surface);
    color:var(--ink);
    align-items:center;
    justify-content:center;
  }
  .menu-toggle:hover{background:var(--brand-soft);}

  .catbar{
    border-top:1px solid var(--line);
    background:rgba(251,247,239,.96);
  }
  .catbar-inner{
    display:flex;
    align-items:center;
    gap:6px;
    height:48px;
    overflow-x:auto;
    scrollbar-width:none;
    -ms-overflow-style:none;
  }
  .catbar-inner::-webkit-scrollbar{display:none;}
  .nav-link{
    position:relative;
    display:inline-flex;
    align-items:center;
    height:34px;
    padding:0 14px;
    border-radius:8px;
    font-size:14px;
    color:var(--ink-2);
    white-space:nowrap;
    transition:background-color .2s var(--ease),color .2s var(--ease);
  }
  .nav-link:hover{background:var(--brand-soft);color:var(--ink);}
  .nav-link.is-active{color:var(--ink);font-weight:600;}
  .nav-link.is-active::after{
    content:"";
    position:absolute;
    left:14px;right:14px;bottom:0;
    height:2px;
    border-radius:2px;
    background:var(--brand);
  }

  /* 移动抽屉 */
  .drawer{position:fixed;inset:0;z-index:90;display:none;}
  .drawer.is-open{display:block;}
  .drawer-backdrop{position:absolute;inset:0;background:rgba(28,42,34,.45);}
  .drawer-panel{
    position:absolute;
    top:0;right:0;bottom:0;
    width:min(92vw,380px);
    background:var(--bg);
    padding:18px;
    overflow-y:auto;
    box-shadow:var(--sh-3);
    display:flex;
    flex-direction:column;
    gap:18px;
  }
  .drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;}
  .drawer-close{
    width:44px;height:44px;border-radius:10px;border:1px solid var(--line-strong);
    background:var(--surface);display:grid;place-items:center;font-size:20px;color:var(--ink-2);
  }
  .drawer-search{position:relative;display:flex;align-items:center;}
  .drawer-search input{
    width:100%;height:48px;border-radius:var(--r-btn);
    border:1px solid var(--line-strong);background:var(--surface);
    padding:0 16px 0 44px;font-size:15px;
  }
  .drawer-search input:focus{outline:none;border-color:var(--green);box-shadow:0 0 0 3px rgba(217,154,43,.25);}
  .drawer-search svg{position:absolute;left:15px;width:18px;height:18px;color:var(--ink-3);}
  .drawer-links{display:grid;gap:6px;}
  .drawer-links a{
    display:flex;align-items:center;justify-content:space-between;
    min-height:48px;padding:0 14px;border-radius:10px;
    font-size:15px;color:var(--ink-2);background:var(--surface);border:1px solid var(--line);
  }
  .drawer-links a.is-active{background:var(--brand-soft);color:var(--ink);font-weight:600;border-color:var(--brand);}
  .drawer-note{font-size:13px;color:var(--ink-3);line-height:1.7;}

  /* 面包屑 */
  .breadcrumbs{
    display:flex;
    flex-wrap:wrap;
    align-items:center;
    gap:6px;
    list-style:none;
    font-size:13px;
    color:var(--ink-3);
    margin-bottom:20px;
  }
  .breadcrumbs li{display:flex;align-items:center;gap:6px;}
  .breadcrumbs li+li::before{content:"/";color:var(--line-strong);}
  .breadcrumbs a{color:var(--ink-2);transition:color .2s var(--ease);}
  .breadcrumbs a:hover{color:var(--brand-deep);}
  .breadcrumbs [aria-current="page"]{color:var(--ink);font-weight:600;}

  /* Hero */
  .page-hero{
    position:relative;
    padding:44px 0 56px;
    background:var(--bg-soft);
    border-bottom:1px solid var(--line);
    overflow:hidden;
  }
  .page-hero::before{
    content:"";
    position:absolute;
    inset:0;
    background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
    opacity:.16;
  }
  .page-hero::after{
    content:"";
    position:absolute;
    inset:0;
    background:linear-gradient(100deg,rgba(251,247,239,.98) 0%,rgba(251,247,239,.92) 46%,rgba(251,247,239,.62) 100%);
  }
  .page-hero > .wrap{position:relative;z-index:1;}
  .hero-inner{max-width:760px;}
  .eyebrow{
    display:inline-flex;
    align-items:center;
    gap:8px;
    font-size:12px;
    font-weight:600;
    letter-spacing:.06em;
    color:var(--brand-deep);
    background:var(--brand-soft);
    border-radius:999px;
    padding:5px 12px;
    margin-bottom:16px;
  }
  .eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand);}
  h1{
    font-size:clamp(28px,4.2vw,46px);
    line-height:1.2;
    font-weight:800;
    letter-spacing:-.01em;
    color:var(--ink);
  }
  .hero-lead{
    margin-top:16px;
    font-size:16px;
    line-height:1.75;
    color:var(--ink-2);
    max-width:36em;
  }
  .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
  .hero-facts{
    display:flex;
    flex-wrap:wrap;
    gap:32px;
    list-style:none;
    margin-top:34px;
    padding-top:22px;
    border-top:1px dashed var(--line-strong);
  }
  .hero-facts li{display:flex;flex-direction:column;gap:2px;min-width:96px;}
  .hero-facts strong{
    font-size:22px;
    font-weight:800;
    line-height:1.2;
    color:var(--green);
    font-variant-numeric:tabular-nums;
  }
  .hero-facts span{font-size:13px;color:var(--ink-3);}

  /* 通用板块 */
  .section{padding:72px 0;}
  .section-soft{background:var(--bg-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
  .section-head{max-width:720px;margin-bottom:32px;}
  .section-head h2{
    font-size:clamp(22px,2.6vw,30px);
    line-height:1.3;
    font-weight:700;
    color:var(--ink);
  }
  .section-head p{margin-top:12px;font-size:15px;line-height:1.8;color:var(--ink-2);}

  /* 步骤布局 */
  .split{
    display:grid;
    grid-template-columns:240px minmax(0,1fr);
    gap:48px;
    align-items:start;
  }
  .step-nav{
    position:sticky;
    top:136px;
    background:var(--surface);
    border:1px solid var(--line);
    border-radius:var(--r-card);
    padding:20px;
    box-shadow:var(--sh-1);
  }
  .step-nav-title{
    font-size:12px;
    font-weight:600;
    letter-spacing:.08em;
    color:var(--ink-3);
    margin-bottom:14px;
  }
  .step-nav ol{
    list-style:none;
    position:relative;
  }
  .step-nav ol::before{
    content:"";
    position:absolute;
    left:15px;
    top:18px;
    bottom:18px;
    width:1px;
    background:var(--line-strong);
  }
  .step-item{position:relative;}
  .step-item a{
    display:flex;
    align-items:center;
    gap:12px;
    min-height:44px;
    padding:6px 0;
    font-size:14px;
    color:var(--ink-2);
    transition:color .2s var(--ease);
  }
  .step-item a:hover{color:var(--brand-deep);}
  .step-num{
    flex-shrink:0;
    width:32px;height:32px;
    border-radius:50%;
    display:grid;place-items:center;
    background:var(--surface);
    border:1px solid var(--line-strong);
    font-size:12px;
    font-weight:700;
    color:var(--ink-3);
    font-variant-numeric:tabular-nums;
    transition:all .2s var(--ease);
    z-index:1;
  }
  .step-item.is-current .step-num{
    background:var(--brand);
    border-color:var(--brand);
    color:#fff;
  }
  .step-item.is-current a{color:var(--ink);font-weight:600;}

  .step-body{display:flex;flex-direction:column;}
  .step-block{
    display:grid;
    grid-template-columns:5fr 7fr;
    gap:36px;
    align-items:center;
    padding:36px 0;
    border-bottom:1px dashed var(--line-strong);
    scroll-margin-top:160px;
  }
  .step-block:first-child{padding-top:0;}
  .step-block:last-child{border-bottom:0;padding-bottom:0;}
  .step-block.is-reverse{grid-template-columns:7fr 5fr;}
  .step-block.is-reverse .step-media{order:2;}
  .step-media img{
    width:100%;
    aspect-ratio:4/3;
    object-fit:cover;
    border-radius:var(--r-card);
    box-shadow:var(--sh-2);
    border:1px solid var(--line);
  }
  .step-tag{
    display:inline-block;
    font-size:12px;
    font-weight:600;
    letter-spacing:.06em;
    color:var(--brand-deep);
    margin-bottom:10px;
    font-variant-numeric:tabular-nums;
  }
  .step-copy h2{
    font-size:clamp(20px,2.1vw,25px);
    line-height:1.35;
    font-weight:700;
    color:var(--ink);
  }
  .step-copy p{
    margin-top:12px;
    font-size:15px;
    line-height:1.8;
    color:var(--ink-2);
  }
  .point-list{
    list-style:none;
    display:grid;
    gap:10px;
    margin:18px 0 20px;
  }
  .point-list li{
    position:relative;
    padding-left:22px;
    font-size:15px;
    line-height:1.7;
    color:var(--ink-2);
  }
  .point-list li::before{
    content:"";
    position:absolute;
    left:0;top:9px;
    width:8px;height:8px;
    border-radius:50%;
    background:var(--brand);
  }
  .link-arrow{
    display:inline-flex;
    align-items:center;
    gap:6px;
    font-size:14px;
    font-weight:600;
    color:var(--green);
    border-bottom:1px solid rgba(36,56,46,.28);
    padding-bottom:2px;
    transition:color .2s var(--ease),border-color .2s var(--ease);
    min-height:44px;
  }
  .link-arrow svg{width:16px;height:16px;transition:transform .2s var(--ease);}
  .link-arrow:hover{color:var(--brand-deep);border-color:var(--brand);}
  .link-arrow:hover svg{transform:translateX(3px);}

  /* 系统要求 */
  .req-grid{
    display:grid;
    grid-template-columns:repeat(4,minmax(0,1fr));
    gap:20px;
  }
  .req-card{
    background:var(--surface);
    border:1px solid var(--line);
    border-radius:var(--r-card);
    padding:20px;
    box-shadow:var(--sh-1);
    display:flex;
    flex-direction:column;
    gap:14px;
    transition:transform .2s var(--ease),box-shadow .2s var(--ease);
  }
  .req-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
  .req-card-head{display:flex;align-items:center;justify-content:space-between;gap:8px;}
  .req-card-head h3{font-size:16px;font-weight:700;line-height:1.4;}
  .req-badge{
    font-size:11px;
    font-weight:600;
    padding:3px 9px;
    border-radius:999px;
    background:var(--brand-soft);
    color:var(--brand-deep);
    white-space:nowrap;
  }
  .req-row{
    display:flex;
    align-items:baseline;
    justify-content:space-between;
    gap:12px;
    padding:9px 0;
    border-bottom:1px dashed var(--line);
    font-size:13px;
    color:var(--ink-2);
  }
  .req-row:last-child{border-bottom:0;padding-bottom:0;}
  .req-row b{font-weight:600;color:var(--ink);text-align:right;font-variant-numeric:tabular-nums;}
  .req-note{font-size:12px;line-height:1.65;color:var(--ink-3);margin-top:auto;}
  .req-card.is-featured{
    background:var(--green);
    border-color:var(--green);
    color:#F1E9DA;
  }
  .req-card.is-featured h3,.req-card.is-featured b{color:#FBF7EF;}
  .req-card.is-featured .req-row{border-bottom-color:rgba(244,236,221,.22);color:rgba(241,233,218,.82);}
  .req-card.is-featured .req-row b{color:#F7E8C6;}
  .req-card.is-featured .req-badge{background:var(--brand);color:#2A2110;}
  .req-card.is-featured .req-note{color:rgba(241,233,218,.65);}

  /* 截图轨道 */
  .shot-wrap{margin-top:44px;}
  .shot-head{
    display:flex;
    align-items:baseline;
    justify-content:space-between;
    gap:16px;
    margin-bottom:16px;
    flex-wrap:wrap;
  }
  .shot-head h3{font-size:18px;font-weight:600;color:var(--ink);}
  .shot-head span{font-size:13px;color:var(--ink-3);}
  .shot-track{
    display:flex;
    gap:16px;
    overflow-x:auto;
    scroll-snap-type:x mandatory;
    padding-bottom:14px;
    scrollbar-width:thin;
  }
  .shot-track::-webkit-scrollbar{height:6px;}
  .shot-track::-webkit-scrollbar-thumb{background:var(--line-strong);border-radius:999px;}
  .shot-card{
    flex:0 0 200px;
    scroll-snap-align:start;
    background:var(--surface);
    border:1px solid var(--line);
    border-radius:var(--r-card);
    padding:10px;
    box-shadow:var(--sh-1);
    transition:transform .2s var(--ease),box-shadow .2s var(--ease);
  }
  .shot-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
  .shot-card img{
    width:100%;
    aspect-ratio:9/16;
    object-fit:cover;
    border-radius:10px;
  }
  .shot-card span{
    display:block;
    margin-top:10px;
    font-size:12px;
    color:var(--ink-2);
    text-align:center;
    line-height:1.5;
  }

  /* FAQ */
  .faq-list{display:grid;gap:12px;max-width:880px;}
  .faq-item{
    background:var(--surface);
    border:1px solid var(--line);
    border-radius:14px;
    box-shadow:var(--sh-1);
    overflow:hidden;
    transition:border-color .2s var(--ease);
  }
  .faq-item[open]{border-color:var(--line-strong);}
  .faq-item summary{
    list-style:none;
    cursor:pointer;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:16px;
    min-height:56px;
    padding:16px 20px;
    font-size:16px;
    font-weight:600;
    color:var(--ink);
    line-height:1.5;
  }
  .faq-item summary::-webkit-details-marker{display:none;}
  .faq-item summary::after{
    content:"+";
    flex-shrink:0;
    font-size:20px;
    line-height:1;
    color:var(--brand-deep);
    transition:transform .2s var(--ease);
  }
  .faq-item[open] summary::after{transform:rotate(45deg);}
  .faq-body{
    padding:0 20px 20px;
    font-size:15px;
    line-height:1.8;
    color:var(--ink-2);
  }

  /* 下载块 */
  .cta-band{
    background:var(--green);
    color:#F1E9DA;
    border-radius:var(--r-lg);
    padding:40px;
    display:grid;
    grid-template-columns:minmax(0,1fr) auto;
    gap:36px;
    align-items:center;
    box-shadow:var(--sh-3);
  }
  .cta-heading{
    font-size:clamp(22px,2.6vw,30px);
    font-weight:800;
    line-height:1.3;
    color:#FBF7EF;
    letter-spacing:-.01em;
  }
  .cta-sub{
    margin-top:12px;
    font-size:14px;
    line-height:1.8;
    color:rgba(241,233,218,.78);
    font-variant-numeric:tabular-nums;
  }
  .cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px;}
  .cta-qr{display:flex;flex-direction:column;align-items:center;gap:10px;}
  .qr-box{
    width:96px;height:96px;
    border-radius:12px;
    background:#FBF7EF;
    color:var(--ink-2);
    display:grid;
    place-items:center;
    text-align:center;
    font-size:11px;
    line-height:1.5;
    padding:8px;
    border:1px solid rgba(244,236,221,.4);
  }
  .cta-qr small{font-size:12px;color:rgba(241,233,218,.7);}
  .cta-meta{
    display:flex;
    flex-wrap:wrap;
    gap:8px 22px;
    margin-top:22px;
    padding-top:18px;
    border-top:1px solid rgba(244,236,221,.16);
    font-size:13px;
    color:rgba(241,233,218,.68);
  }

  /* 页脚 */
  .site-footer{background:var(--green-2);color:#EFE7DA;}
  .footer-grid{
    display:grid;
    grid-template-columns:1.6fr 1fr 1fr 1fr;
    gap:32px;
    padding:56px 0 32px;
  }
  .footer-brand .logo-name{color:#F7F1E6;}
  .footer-brand .logo-sub{color:rgba(239,231,218,.6);}
  .footer-brand p{
    margin-top:16px;
    font-size:14px;
    line-height:1.8;
    color:rgba(239,231,218,.72);
    max-width:34em;
  }
  .footer-col h3{
    font-size:14px;
    font-weight:600;
    color:var(--brand);
    margin:0 0 14px;
  }
  .footer-col ul{list-style:none;display:grid;gap:10px;}
  .footer-col a{
    font-size:14px;
    color:rgba(239,231,218,.78);
    transition:color .2s var(--ease);
    display:inline-block;
    padding:3px 0;
  }
  .footer-col a:hover{color:var(--brand);}
  .footer-bottom{
    border-top:1px solid rgba(239,231,218,.16);
    padding:18px 0 30px;
    display:flex;
    flex-wrap:wrap;
    justify-content:space-between;
    gap:10px 24px;
    font-size:13px;
    color:rgba(239,231,218,.6);
  }
  .footer-bottom p{margin:0;}

  /* 移动端吸底条 */
  .mobile-bar{
    position:fixed;
    left:0;right:0;bottom:0;
    height:64px;
    background:var(--surface);
    border-top:1px solid var(--line);
    display:none;
    align-items:center;
    justify-content:space-between;
    gap:12px;
    padding:0 16px;
    z-index:70;
    transform:translateY(110%);
    transition:transform .25s var(--ease);
    box-shadow:0 -6px 20px -14px rgba(33,28,23,.4);
  }
  .mobile-bar.is-visible{transform:translateY(0);}
  .mobile-bar .mb-meta{font-size:12px;line-height:1.4;color:var(--ink-2);font-variant-numeric:tabular-nums;}
  .mobile-bar .mb-meta b{display:block;font-size:13px;color:var(--ink);font-weight:600;}

  /* 响应式 */
  @media (max-width:1024px){
    .nav-search{max-width:360px;}
    .split{grid-template-columns:1fr;gap:28px;}
    .step-nav{position:static;top:auto;padding:14px 16px;}
    .step-nav-title{display:none;}
    .step-nav ol{display:flex;gap:8px;overflow-x:auto;padding-bottom:4px;scrollbar-width:none;}
    .step-nav ol::-webkit-scrollbar{display:none;}
    .step-nav ol::before{display:none;}
    .step-item a{white-space:nowrap;padding:4px 10px 4px 0;min-height:40px;}
    .step-block{grid-template-columns:1fr;gap:24px;padding:28px 0;}
    .step-block.is-reverse{grid-template-columns:1fr;}
    .step-block.is-reverse .step-media{order:0;}
    .req-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
    .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
    .cta-band{grid-template-columns:1fr;gap:28px;}
    .cta-qr{flex-direction:row;align-items:center;gap:14px;}
  }

  @media (max-width:860px){
    .nav-search{display:none;}
    .menu-toggle{display:inline-flex;}
    .logo-name{font-size:17px;}
  }

  @media (max-width:768px){
    .wrap{padding:0 20px;}
    .section{padding:56px 0;}
    .page-hero{padding:32px 0 40px;}
    .hero-facts{gap:24px;}
    .hero-facts li{min-width:78px;}
    .topbar-links{display:none;}
    .topbar-inner{justify-content:flex-start;}
    .step-nav{padding:12px 14px;}
  }

  @media (max-width:640px){
    .wrap{padding:0 16px;}
    .section{padding:48px 0;}
    .hero-actions{flex-direction:column;align-items:stretch;}
    .hero-actions .btn{width:100%;}
    .req-grid{grid-template-columns:1fr;}
    .footer-grid{grid-template-columns:1fr;gap:24px;padding:40px 0 24px;}
    .footer-col ul{grid-template-columns:1fr 1fr;display:grid;}
    .cta-band{padding:24px;border-radius:var(--r-card);}
    .cta-actions{flex-direction:column;align-items:stretch;}
    .cta-actions .btn{width:100%;}
    .cta-qr{flex-direction:column;align-items:flex-start;}
    .shot-card{flex:0 0 168px;}
    .logo-sub{display:none;}
    .logo-name{font-size:16px;}
    .nav-main{gap:10px;}
    .btn-nav{padding:0 14px;font-size:13px;height:40px;}
    .hero-facts{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
    .footer-bottom{flex-direction:column;}
  }

  @media (max-width:400px){
    .logo-name{font-size:15px;}
    .logo-mark{width:28px;height:28px;font-size:14px;}
  }

  @media (max-width:767px){
    body{padding-bottom:64px;}
    .mobile-bar{display:flex;}
  }

  @media (prefers-reduced-motion:reduce){
    *{animation:none !important;transition:none !important;scroll-behavior:auto !important;}
    .req-card:hover,.shot-card:hover,.btn:hover{transform:none !important;}
  }

/* roulang page: category3 */
:root{
  --bg:#FBF7EF; --bg-soft:#F4ECDD; --surface:#FFFFFF;
  --ink:#211C17; --ink-2:#5F554C; --ink-3:#8C8076;
  --line:#E6DAC6; --line-strong:#D6C6AC;
  --brand:#D99A2B; --brand-deep:#B57A15; --brand-soft:#F7E8C6;
  --accent:#B4452F; --accent-deep:#93341F;
  --green:#24382E; --green-2:#1C2A22; --green-soft:#E7EDE6;
  --r-sm:8px; --r-card:16px; --r-lg:24px; --r-btn:12px;
  --sh-1:0 1px 2px rgba(33,28,23,.05);
  --sh-2:0 8px 24px -12px rgba(33,28,23,.18);
  --sh-3:0 24px 48px -24px rgba(33,28,23,.28);
  --ease:cubic-bezier(.2,.7,.3,1);
}
.page{
  min-height:100vh; overflow-x:hidden;
  background:var(--bg); color:var(--ink);
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16px; line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
.page h1,.page h2,.page h3,.page h4,.page p,.page ul,.page ol,.page figure,.page dl,.page dd,.page dt{margin:0}
.page ul,.page ol{list-style:none;padding:0}
.page a{color:inherit;text-decoration:none}
.page img{max-width:100%;display:block}
.page button{font-family:inherit}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ============ 顶部信息条 ============ */
.topbar{background:var(--green-2);color:#F3EDE2;font-size:13px}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:12px;height:36px}
.topbar-meta{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-variant-numeric:tabular-nums;color:#DDD4C4}
.topbar-links{display:flex;align-items:center;gap:10px;white-space:nowrap}
.topbar-links a{color:#E7DFCF;transition:color .2s var(--ease)}
.topbar-links a:hover{color:var(--brand)}
.topbar-dot{width:3px;height:3px;border-radius:50%;background:#7E7668;display:inline-block}

/* ============ 导航 ============ */
.site-header{position:sticky;top:0;z-index:60;background:rgba(251,247,239,.94);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;gap:20px;min-height:72px;padding-top:12px;padding-bottom:12px}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{width:34px;height:34px;border-radius:10px;background:var(--brand);color:#2A1F0C;display:grid;place-items:center;font-weight:800;font-size:16px;box-shadow:var(--sh-1)}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-name{font-size:18px;font-weight:800;letter-spacing:-.01em;color:var(--ink)}
.logo-sub{font-size:11px;letter-spacing:.08em;color:var(--ink-3);margin-top:2px}
.header-search{flex:1 1 auto;max-width:520px;margin:0 auto;display:flex;align-items:center;gap:8px;height:44px;padding:0 12px;background:#fff;border:1px solid var(--line-strong);border-radius:12px;transition:border-color .2s var(--ease),box-shadow .2s var(--ease)}
.header-search:focus-within{border-color:var(--green);box-shadow:0 0 0 3px rgba(217,154,43,.25)}
.header-search svg{flex:0 0 auto;color:var(--ink-3)}
.header-search input{flex:1 1 auto;min-width:0;border:0;outline:0;background:transparent;font-size:14px;color:var(--ink);height:100%}
.header-search input::placeholder{color:var(--ink-3);font-size:14px}
.kbd{flex:0 0 auto;font-size:11px;color:var(--ink-3);border:1px solid var(--line);border-radius:6px;padding:1px 6px;background:var(--bg);font-variant-numeric:tabular-nums}
.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;margin-left:auto}
.menu-toggle{display:none;align-items:center;justify-content:center;width:44px;height:44px;border:1px solid var(--line-strong);border-radius:12px;background:#fff;color:var(--green);cursor:pointer;transition:background-color .2s var(--ease),border-color .2s var(--ease)}
.menu-toggle:hover{background:var(--brand-soft);border-color:var(--brand)}

.catbar{border-top:1px solid var(--line);background:rgba(244,236,221,.55)}
.catbar-inner{display:flex;align-items:center;gap:4px;height:52px;overflow-x:auto;scrollbar-width:none}
.catbar-inner::-webkit-scrollbar{display:none}
.nav-link{position:relative;display:inline-flex;align-items:center;height:34px;padding:0 14px;border-radius:8px;font-size:15px;font-weight:600;color:var(--ink-2);white-space:nowrap;transition:background-color .2s var(--ease),color .2s var(--ease)}
.nav-link:hover{background:var(--brand-soft);color:var(--ink)}
.nav-link.is-active{color:var(--ink)}
.nav-link.is-active::after{content:"";position:absolute;left:12px;right:12px;bottom:-6px;height:2px;border-radius:2px;background:var(--brand)}

/* ============ 按钮 ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 24px;border-radius:var(--r-btn);border:1px solid transparent;font-size:15px;font-weight:600;cursor:pointer;transition:transform .2s var(--ease),background-color .2s var(--ease),color .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease)}
.btn:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.btn-primary{background:var(--accent);color:#fff;box-shadow:var(--sh-1)}
.btn-primary:hover{background:var(--accent-deep);transform:translateY(-1px)}
.btn-primary:active{transform:scale(.98)}
.btn-secondary{background:#fff;color:var(--green);border-color:var(--line-strong)}
.btn-secondary:hover{border-color:var(--brand);background:#FFFDF7;transform:translateY(-1px)}
.btn-secondary:active{transform:scale(.98)}
.btn-on-dark{background:#fff;color:var(--green-2);border-color:transparent}
.btn-on-dark:hover{background:var(--brand-soft);transform:translateY(-1px)}
.btn-on-dark:active{transform:scale(.98)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-mini{height:36px;padding:0 14px;font-size:13px;border-radius:10px}
.btn-block{width:100%}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--green);border-bottom:1px solid transparent;transition:color .2s var(--ease),border-color .2s var(--ease)}
.link-arrow svg{transition:transform .2s var(--ease)}
.link-arrow:hover{color:var(--brand-deep);border-color:var(--brand)}
.link-arrow:hover svg{transform:translateX(2px)}

/* ============ 通用 ============ */
.section{padding:80px 0}
.section--soft{background:var(--bg-soft)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap}
.h2{font-size:clamp(22px,2.6vw,30px);line-height:1.3;font-weight:700;letter-spacing:-.01em}
.h3{font-size:19px;line-height:1.5;font-weight:600}
.section-sub{margin-top:12px;font-size:15px;color:var(--ink-2);max-width:38em}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--brand-deep);text-transform:none}
.eyebrow::before{content:"";width:18px;height:2px;border-radius:2px;background:var(--brand)}
.badge{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;font-size:12px;font-weight:600;letter-spacing:.02em}
.badge-brand{background:var(--brand-soft);color:#8A5A0F}
.badge-accent{background:#F7DFD8;color:var(--accent-deep)}
.badge-green{background:var(--green-soft);color:var(--green)}
.badge-recommend{background:var(--brand);color:#2A1F0C}
.chip{display:inline-flex;align-items:center;height:30px;padding:0 12px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:13px;color:var(--ink-2);transition:border-color .2s var(--ease),color .2s var(--ease),background-color .2s var(--ease)}
.chip:hover{border-color:var(--brand);color:var(--ink);background:var(--brand-soft)}

/* ============ 页面头部 ============ */
.page-head{position:relative;background:var(--bg-soft);border-bottom:1px solid var(--line);padding:32px 0 64px;overflow:hidden}
.page-head::before{content:"";position:absolute;inset:0;background-image:url(/assets/images/backpic/back-2.webp);background-size:cover;background-position:center;opacity:.10;pointer-events:none}
.page-head .wrap{position:relative;z-index:1}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;font-size:13px;color:var(--ink-3);margin-bottom:22px}
.crumbs li{display:inline-flex;align-items:center}
.crumbs li+li::before{content:"/";margin:0 8px;color:var(--line-strong)}
.crumbs a{color:var(--ink-2);transition:color .2s var(--ease)}
.crumbs a:hover{color:var(--brand-deep)}
.crumbs .current{color:var(--ink);font-weight:600}
.page-head-grid{display:grid;grid-template-columns:1.4fr .6fr;gap:48px;align-items:center}
.page-title{font-size:clamp(28px,4.2vw,44px);line-height:1.2;font-weight:800;letter-spacing:-.02em;margin:14px 0 16px;max-width:20em}
.lede{font-size:17px;line-height:1.8;color:var(--ink-2);max-width:34em}
.meta-row{display:flex;flex-wrap:wrap;gap:8px 22px;margin-top:22px;font-size:13px;color:var(--ink-3)}
.meta-row span{display:inline-flex;align-items:center;gap:6px}
.meta-row strong{color:var(--ink);font-weight:600;font-variant-numeric:tabular-nums}
.meta-row .sep{width:3px;height:3px;border-radius:50%;background:var(--line-strong)}
.head-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.head-figure img{width:100%;aspect-ratio:3/4;object-fit:cover;border-radius:var(--r-card);border:1px solid var(--line);box-shadow:var(--sh-3)}
.head-figure figcaption{margin-top:12px;font-size:13px;color:var(--ink-3);text-align:center}

/* ============ 平台卡矩阵 ============ */
.platform-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:36px}
.platform-card{display:flex;flex-direction:column;gap:18px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:26px;box-shadow:var(--sh-1);transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease)}
.platform-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--line-strong)}
.pc-head{display:flex;align-items:center;justify-content:space-between;gap:12px}
.pc-icon{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;background:var(--brand-soft);color:var(--brand-deep)}
.platform-card h3{font-size:20px;font-weight:700;line-height:1.4}
.pc-note{font-size:13px;color:var(--ink-3);margin-top:-8px}
.spec-list{display:grid;margin:0}
.spec-list > div{display:flex;align-items:baseline;justify-content:space-between;gap:12px;padding:11px 0;border-bottom:1px dashed var(--line);font-size:14px}
.spec-list > div:last-child{border-bottom:0}
.spec-list dt{color:var(--ink-3);font-size:13px;flex:0 0 auto}
.spec-list dd{font-weight:600;font-variant-numeric:tabular-nums;text-align:right}
.platform-card--primary{background:var(--green);border-color:var(--green-2);color:#F4EFE4;box-shadow:var(--sh-2)}
.platform-card--primary:hover{box-shadow:var(--sh-3);border-color:var(--green-2)}
.platform-card--primary h3{color:#fff}
.platform-card--primary .pc-icon{background:rgba(255,255,255,.14);color:var(--brand-soft)}
.platform-card--primary .pc-note{color:#BEB6A7}
.platform-card--primary .spec-list > div{border-bottom-color:rgba(255,255,255,.16)}
.platform-card--primary .spec-list dt{color:#BEB6A7}
.platform-card--primary .spec-list dd{color:#fff}
.platform-foot{display:flex;align-items:center;gap:10px;margin-top:24px;flex-wrap:wrap;font-size:13px;color:var(--ink-3)}
.platform-foot .dot{width:3px;height:3px;border-radius:50%;background:var(--line-strong)}

/* ============ 版本历史时间轴 ============ */
.timeline{position:relative;margin-top:34px;padding-left:30px}
.timeline::before{content:"";position:absolute;left:7px;top:10px;bottom:10px;border-left:2px dashed var(--line-strong)}
.tl-item{position:relative;padding-bottom:20px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{content:"";position:absolute;left:-30px;top:16px;width:16px;height:16px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 4px var(--bg-soft)}
.tl-body{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px 20px;background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:16px 20px;transition:border-color .2s var(--ease),box-shadow .2s var(--ease)}
.tl-body:hover{border-color:var(--line-strong);box-shadow:var(--sh-1)}
.tl-main{flex:1 1 320px;min-width:0}
.tl-head{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.tl-ver{font-size:15px;font-weight:700;font-variant-numeric:tabular-nums;color:var(--ink)}
.tl-date{font-size:13px;color:var(--ink-3);font-variant-numeric:tabular-nums}
.tl-text{margin-top:6px;font-size:14px;color:var(--ink-2);line-height:1.7}

/* ============ 校验信息 ============ */
.checksum{background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--r-card);padding:8px 24px}
.cs-row{display:flex;flex-wrap:wrap;align-items:center;gap:8px 16px;padding:14px 0;border-bottom:1px dashed var(--line-strong)}
.cs-row:last-child{border-bottom:0}
.cs-label{flex:0 0 88px;font-size:13px;color:var(--ink-3)}
.cs-value{flex:1 1 220px;min-width:0;font-family:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;font-size:13px;line-height:1.7;color:var(--ink);word-break:break-all;font-variant-numeric:tabular-nums}
.copy-btn{flex:0 0 auto;height:32px;padding:0 12px;border-radius:var(--r-sm);border:1px solid var(--line-strong);background:#fff;color:var(--green);font-size:13px;font-weight:600;cursor:pointer;transition:background-color .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease)}
.copy-btn:hover{background:var(--brand-soft);border-color:var(--brand);color:var(--brand-deep)}
.copy-btn:focus-visible{outline:2px solid var(--brand);outline-offset:2px}

/* ============ 四步能力 ============ */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:34px}
.step{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:22px;box-shadow:var(--sh-1);transition:transform .2s var(--ease),box-shadow .2s var(--ease)}
.step:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.step:not(:last-child)::after{content:"";position:absolute;top:46px;right:-20px;width:20px;border-top:2px dashed var(--line-strong)}
.step-num{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:12px;background:var(--brand-soft);color:var(--brand-deep);font-weight:800;font-size:14px;font-variant-numeric:tabular-nums;letter-spacing:.04em}
.step h3{margin-top:14px;font-size:17px;font-weight:600}
.step p{margin-top:8px;font-size:14px;line-height:1.75;color:var(--ink-2)}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:12px;margin-top:30px;max-width:900px}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:0 22px;box-shadow:var(--sh-1);transition:border-color .2s var(--ease)}
.faq-item[open]{border-color:var(--line-strong)}
.faq-item summary{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 0;font-size:16px;font-weight:600;color:var(--ink);cursor:pointer;list-style:none}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";flex:0 0 auto;font-size:22px;line-height:1;color:var(--brand-deep);transition:transform .2s var(--ease)}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item summary:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:8px}
.faq-body{padding:14px 0 20px;border-top:1px dashed var(--line);font-size:15px;line-height:1.85;color:var(--ink-2)}

/* ============ 下载 CTA ============ */
.cta-band{background:var(--bg-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:56px 0}
.cta-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:40px;align-items:center}
.cta-actions{display:flex;flex-direction:column;gap:12px}
.cta-note{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:24px;font-size:13px;color:var(--ink-2)}
.cta-note span{display:inline-flex;align-items:center;gap:6px}
.cta-note svg{color:var(--green)}
.qr-box{display:flex;align-items:center;gap:14px;padding:14px;background:#fff;border:1px dashed var(--line-strong);border-radius:14px}
.qr-slot{width:72px;height:72px;flex:0 0 auto;border-radius:10px;background:var(--brand-soft);display:grid;place-items:center;color:var(--brand-deep);font-weight:800;font-size:12px;letter-spacing:.06em}
.qr-box p{font-size:13px;line-height:1.7;color:var(--ink-2)}

/* ============ 页脚 ============ */
.site-footer{background:var(--green-2);color:#D8D0C2;padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.85;color:#B7AE9F;max-width:34em}
.site-footer .logo-name{color:#FBF7EF}
.site-footer .logo-sub{color:#9C9385}
.footer-col h3{font-size:14px;font-weight:600;color:var(--brand);letter-spacing:.04em;margin-bottom:14px}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:14px;color:#C9C1B2;transition:color .2s var(--ease)}
.footer-col a:hover{color:var(--brand)}
.footer-bottom{margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);display:flex;flex-wrap:wrap;gap:8px 24px;justify-content:space-between;font-size:13px;color:#9C9385}

/* ============ 移动抽屉 ============ */
.drawer{position:fixed;inset:0;z-index:90;display:none;background:rgba(28,42,34,.42)}
.drawer.is-open{display:block}
.drawer-panel{position:relative;background:var(--bg);border-bottom-left-radius:22px;border-bottom-right-radius:22px;padding:16px 20px 26px;box-shadow:var(--sh-3);max-height:92vh;overflow-y:auto}
.drawer-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px}
.drawer-close{width:44px;height:44px;border-radius:12px;border:1px solid var(--line-strong);background:#fff;color:var(--green);cursor:pointer;display:grid;place-items:center}
.drawer-search{display:flex;align-items:center;gap:8px;height:48px;padding:0 14px;background:#fff;border:1px solid var(--line-strong);border-radius:12px;margin-bottom:18px}
.drawer-search input{flex:1;min-width:0;border:0;outline:0;background:transparent;font-size:14px}
.drawer-search:focus-within{border-color:var(--green);box-shadow:0 0 0 3px rgba(217,154,43,.25)}
.drawer-nav{display:grid;gap:6px;margin-bottom:18px}
.drawer-nav a{display:flex;align-items:center;justify-content:space-between;padding:12px 14px;border-radius:10px;font-size:15px;font-weight:600;color:var(--ink-2);background:#fff;border:1px solid var(--line)}
.drawer-nav a.is-active{color:var(--ink);border-color:var(--brand);background:var(--brand-soft)}

/* ============ 移动底部吸附条 ============ */
.bottom-bar{display:none;position:fixed;left:0;right:0;bottom:0;z-index:70;background:#fff;border-top:1px solid var(--line);box-shadow:0 -8px 24px -16px rgba(33,28,23,.3);transform:translateY(110%);transition:transform .3s var(--ease)}
.bottom-bar.is-visible{transform:none}
.bottom-bar-inner{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:64px}
.bb-meta{font-size:13px;color:var(--ink-2);line-height:1.4;font-variant-numeric:tabular-nums}
.bb-meta strong{display:block;font-size:14px;color:var(--ink);font-weight:700}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .section{padding:64px 0}
  .page-head-grid{grid-template-columns:1fr .7fr;gap:32px}
  .platform-grid{grid-template-columns:repeat(3,1fr);gap:18px}
  .platform-card{padding:20px}
  .steps{grid-template-columns:repeat(2,1fr)}
  .step:not(:last-child)::after{display:none}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px}
  .cta-grid{grid-template-columns:1fr;}
}
@media (max-width:900px){
  .header-search{display:none}
  .catbar{display:none}
  .menu-toggle{display:inline-flex}
  .header-inner{gap:12px;min-height:64px}
}
@media (max-width:768px){
  .wrap{padding:0 16px}
  .section{padding:48px 0}
  .page-head{padding:22px 0 44px}
  .page-head-grid{grid-template-columns:1fr;gap:28px}
  .head-figure img{aspect-ratio:16/10}
  .platform-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .cta-grid{grid-template-columns:1fr;gap:26px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .footer-brand{grid-column:1 / -1}
  .tl-body{flex-direction:column;align-items:flex-start}
  .bottom-bar{display:block}
  .page{padding-bottom:76px}
  .topbar-links{display:none}
  .meta-row{font-size:13px}
}
@media (max-width:520px){
  .page-title{font-size:26px}
  .head-actions .btn{width:100%}
  .cta-actions .btn{width:100%}
  .platform-card{padding:18px}
  .checksum{padding:4px 16px}
  .cs-label{flex:1 1 100%}
  .footer-grid{grid-template-columns:1fr}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px}
  .topbar-meta{font-size:12px}
}
@media (prefers-reduced-motion:reduce){
  .page *{transition-duration:.01ms !important;animation-duration:.01ms !important;scroll-behavior:auto !important}
  .platform-card:hover,.step:hover,.tl-body:hover,.btn:hover{transform:none}
}

/* roulang page: category4 */
:root{
  --bg:#FBF7EF; --bg-soft:#F4ECDD; --surface:#FFFFFF;
  --ink:#211C17; --ink-2:#5F554C; --ink-3:#8C8076;
  --line:#E6DAC6; --line-strong:#D6C6AC;
  --brand:#D99A2B; --brand-deep:#B57A15; --brand-soft:#F7E8C6;
  --accent:#B4452F; --accent-deep:#93341F;
  --green:#24382E; --green-2:#1C2A22; --green-soft:#E7EDE6;
  --r-sm:8px; --r-card:16px; --r-lg:24px; --r-btn:12px;
  --sh1:0 1px 2px rgba(33,28,23,.05);
  --sh2:0 8px 24px -12px rgba(33,28,23,.18);
  --sh3:0 24px 48px -24px rgba(33,28,23,.28);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
html body{
  margin:0;padding:0;background:var(--bg);color:var(--ink);
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font-family:inherit;font-size:inherit;color:inherit}
button{cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.num{font-variant-numeric:tabular-nums}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--green);color:#F4EFE4;font-size:13px}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:36px;white-space:nowrap}
.topbar-links{display:flex;gap:18px}
.topbar-links a{color:#E6DFD0;transition:color .2s var(--ease)}
.topbar-links a:hover{color:var(--brand)}

/* ---------- 导航 ---------- */
.nav-shell{position:sticky;top:0;z-index:80;background:rgba(251,247,239,.94);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.nav-inner{display:flex;align-items:center;gap:20px;height:72px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{
  width:32px;height:32px;border-radius:9px;background:var(--brand);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:16px;
  box-shadow:var(--sh1);flex-shrink:0;
}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-name{font-size:18px;font-weight:800;letter-spacing:-.01em;color:var(--ink)}
.logo-sub{font-size:11px;letter-spacing:.08em;color:var(--ink-3)}
.nav-search{display:flex;align-items:center;gap:8px;flex:1;max-width:520px;margin:0 auto;height:44px;background:#fff;border:1px solid var(--line-strong);border-radius:var(--r-btn);padding:0 8px 0 14px;transition:border-color .2s var(--ease),box-shadow .2s var(--ease)}
.nav-search:focus-within{border-color:var(--green);box-shadow:0 0 0 3px rgba(217,154,43,.25)}
.nav-search svg{flex-shrink:0;color:var(--ink-3)}
.nav-search input{flex:1;min-width:0;border:0;outline:0;background:transparent;font-size:14px;color:var(--ink)}
.nav-search input::placeholder{color:var(--ink-3);font-size:14px}
.nav-key{font-size:11px;color:var(--ink-3);border:1px solid var(--line);border-radius:6px;padding:1px 7px;background:var(--bg-soft)}
.nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;margin-left:auto}
.menu-toggle{display:none;width:44px;height:44px;border:1px solid var(--line-strong);background:#fff;border-radius:var(--r-btn);align-items:center;justify-content:center;color:var(--ink)}
.menu-toggle:hover{background:var(--brand-soft);border-color:var(--brand)}
.catbar{border-top:1px solid rgba(230,218,198,.7)}
.catbar-inner{display:flex;align-items:center;gap:6px;height:48px;overflow-x:auto;scrollbar-width:none}
.catbar-inner::-webkit-scrollbar{display:none}
.nav-link{position:relative;display:inline-flex;align-items:center;height:34px;padding:0 14px;border-radius:var(--r-sm);font-size:15px;color:var(--ink-2);white-space:nowrap;transition:background .2s var(--ease),color .2s var(--ease)}
.nav-link:hover{background:var(--brand-soft);color:var(--ink)}
.nav-link.is-active{color:var(--ink);font-weight:600}
.nav-link.is-active::after{content:"";position:absolute;left:14px;right:14px;bottom:-2px;height:2px;border-radius:2px;background:var(--brand)}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 24px;border-radius:var(--r-btn);border:1px solid transparent;font-size:15px;font-weight:600;line-height:1;transition:background .2s var(--ease),color .2s var(--ease),transform .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease)}
.btn-primary{background:var(--accent);color:#fff;box-shadow:var(--sh1)}
.btn-primary:hover{background:var(--accent-deep);transform:translateY(-1px);box-shadow:var(--sh2)}
.btn-primary:active{transform:scale(.98)}
.btn-outline{background:#fff;color:var(--green);border-color:var(--line-strong)}
.btn-outline:hover{border-color:var(--green);background:var(--green-soft);transform:translateY(-1px)}
.btn-outline:active{transform:scale(.98)}
.btn-ghost{background:transparent;color:var(--green);padding:0 8px}
.btn-ghost svg{transition:transform .2s var(--ease)}
.btn-ghost:hover svg{transform:translateX(2px)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none!important;box-shadow:none}

/* ---------- 面包屑 ---------- */
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-3)}
.crumb li{display:inline-flex;align-items:center;gap:8px}
.crumb li+li::before{content:"/";color:var(--line-strong)}
.crumb a{color:var(--ink-2);transition:color .2s var(--ease)}
.crumb a:hover{color:var(--brand-deep)}
.crumb .current{color:var(--ink)}

/* ---------- Hero ---------- */
.help-hero{position:relative;overflow:hidden;background:var(--bg-soft);border-bottom:1px solid var(--line);padding:52px 0 56px}
.help-hero::before{content:"";position:absolute;inset:0;background:url("/assets/images/backpic/back-2.webp") center/cover no-repeat;opacity:.14;pointer-events:none}
.help-hero::after{content:"";position:absolute;inset:0;background:radial-gradient(120% 100% at 50% 0%,rgba(251,247,239,.2),rgba(251,247,239,.92) 78%);pointer-events:none}
.help-hero .wrap{position:relative;z-index:1}
.hero-inner{max-width:840px;margin:0 auto;text-align:center}
.hero-eyebrow{display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;border-radius:999px;background:var(--surface);border:1px solid var(--line-strong);font-size:12px;font-weight:600;color:var(--brand-deep);letter-spacing:.04em}
.hero-title{margin:18px 0 0;font-size:clamp(28px,4.2vw,46px);line-height:1.2;font-weight:800;letter-spacing:-.01em;color:var(--ink)}
.hero-sub{margin:16px auto 0;max-width:36em;font-size:16px;line-height:1.75;color:var(--ink-2)}
.search-big{display:flex;align-items:center;gap:8px;width:100%;max-width:640px;margin:26px auto 0;height:52px;padding:0 8px 0 16px;background:#fff;border:1px solid var(--line-strong);border-radius:var(--r-btn);box-shadow:var(--sh1);transition:border-color .2s var(--ease),box-shadow .2s var(--ease)}
.search-big:focus-within{border-color:var(--green);box-shadow:0 0 0 3px rgba(217,154,43,.25)}
.search-big input{flex:1;min-width:0;border:0;outline:0;background:transparent;font-size:15px}
.search-big input::placeholder{color:var(--ink-3)}
.chip-row{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin:20px auto 0;max-width:760px}
.chip{display:inline-flex;align-items:center;height:34px;padding:0 14px;border-radius:999px;background:#fff;border:1px solid var(--line-strong);font-size:13px;color:var(--ink-2);transition:background .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease),transform .2s var(--ease)}
.chip:hover{background:var(--brand-soft);border-color:var(--brand);color:var(--ink);transform:translateY(-1px)}
.hero-meta{display:flex;flex-wrap:wrap;justify-content:center;gap:10px 26px;margin-top:26px;font-size:13px;color:var(--ink-3)}
.hero-meta span{display:inline-flex;align-items:center;gap:7px}
.dot{width:6px;height:6px;border-radius:999px;background:var(--brand);display:inline-block}

/* ---------- 主区 ---------- */
.help-main{padding:72px 0 80px;background:var(--bg)}
.help-grid{display:grid;grid-template-columns:220px minmax(0,1fr);gap:48px;align-items:start}
.side-nav{position:sticky;top:96px}
.side-title{font-size:13px;font-weight:600;letter-spacing:.08em;color:var(--ink-3);margin-bottom:14px}
.side-list{display:flex;flex-direction:column;gap:4px;border-left:1px solid var(--line)}
.side-link{display:flex;align-items:center;gap:10px;min-height:44px;padding:6px 12px;font-size:14px;color:var(--ink-2);border-left:3px solid transparent;margin-left:-1px;transition:color .2s var(--ease),border-color .2s var(--ease),background .2s var(--ease)}
.side-link .idx{font-size:12px;color:var(--ink-3);font-variant-numeric:tabular-nums}
.side-link:hover{color:var(--ink);background:var(--bg-soft)}
.side-link.is-current{color:var(--ink);font-weight:600;border-left-color:var(--brand);background:var(--bg-soft)}
.side-link.is-current .idx{color:var(--brand-deep)}
.side-card{margin-top:24px;padding:18px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh1)}
.side-card p{font-size:13px;line-height:1.7;color:var(--ink-2)}
.side-card .btn{margin-top:12px;width:100%}

.faq-group{margin-bottom:48px;scroll-margin-top:96px}
.faq-group:last-of-type{margin-bottom:0}
.group-head{display:flex;align-items:baseline;gap:12px;margin-bottom:18px;padding-bottom:14px;border-bottom:1px solid var(--line)}
.group-head .g-num{font-size:13px;font-weight:700;color:var(--brand-deep);letter-spacing:.06em;font-variant-numeric:tabular-nums}
.group-title{font-size:clamp(22px,2.6vw,30px);line-height:1.3;font-weight:700;letter-spacing:-.01em}
.group-desc{margin:-6px 0 18px;font-size:14px;line-height:1.7;color:var(--ink-2);max-width:36em}

.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh1);margin-bottom:12px;transition:border-color .2s var(--ease),box-shadow .2s var(--ease)}
.faq-item:hover{border-color:var(--line-strong);box-shadow:var(--sh2)}
.faq-item summary{list-style:none;display:flex;align-items:flex-start;gap:14px;padding:18px 20px;min-height:44px;font-size:16px;font-weight:600;line-height:1.55;color:var(--ink);cursor:pointer}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";margin-left:auto;flex-shrink:0;width:24px;text-align:center;font-size:20px;font-weight:400;color:var(--brand-deep);line-height:1.2;transition:transform .22s var(--ease),color .2s var(--ease)}
.faq-item[open] summary::after{content:"−";color:var(--accent)}
.faq-item[open]{border-color:var(--line-strong)}
.faq-body{padding:0 20px 20px 20px;font-size:15px;line-height:1.8;color:var(--ink-2);max-width:36em}
.faq-body p+p{margin-top:12px}
.faq-body strong{color:var(--ink);font-weight:600}
.faq-tip{display:block;margin-top:12px;padding:10px 14px;background:var(--bg-soft);border-left:3px solid var(--brand);border-radius:0 var(--r-sm) var(--r-sm) 0;font-size:13px;line-height:1.7;color:var(--ink-2)}

/* ---------- 版本速查 ---------- */
.version-band{margin-top:56px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh2);padding:24px;display:grid;grid-template-columns:132px minmax(0,1fr);gap:24px;align-items:center;scroll-margin-top:96px}
.version-band img{width:132px;aspect-ratio:3/4;object-fit:cover;border-radius:var(--r-btn);border:1px solid var(--line)}
.version-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px 24px;margin-top:14px}
.version-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:8px;border-bottom:1px dashed var(--line-strong);font-size:14px;color:var(--ink-2)}
.version-row b{color:var(--ink);font-weight:600;font-variant-numeric:tabular-nums}
.band-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:18px}

/* ---------- 联系卡 ---------- */
.contact-card{margin-top:56px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh2);padding:32px;scroll-margin-top:96px}
.contact-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.15fr);gap:40px;align-items:start}
.contact-title{font-size:clamp(22px,2.6vw,30px);line-height:1.3;font-weight:700}
.contact-desc{margin-top:12px;font-size:15px;line-height:1.8;color:var(--ink-2)}
.contact-points{margin-top:20px;display:flex;flex-direction:column;gap:10px}
.contact-points li{display:flex;gap:10px;font-size:14px;line-height:1.7;color:var(--ink-2)}
.contact-points svg{flex-shrink:0;margin-top:4px;color:var(--brand-deep)}
.field{margin-bottom:16px}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:8px;color:var(--ink)}
.field textarea,.field input{width:100%;border:1px solid var(--line-strong);border-radius:var(--r-btn);background:#fff;padding:12px 14px;font-size:15px;line-height:1.6;outline:0;transition:border-color .2s var(--ease),box-shadow .2s var(--ease)}
.field textarea{min-height:120px;resize:vertical}
.field input{height:48px;padding:0 14px}
.field textarea:focus,.field input:focus{border-color:var(--green);box-shadow:0 0 0 3px rgba(217,154,43,.25)}
.field-hint{font-size:13px;color:var(--ink-3);margin-top:8px}
.form-foot{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:6px}
.form-note{font-size:13px;color:var(--ink-3)}

/* ---------- 下载复述条 ---------- */
.recap{background:var(--bg-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:26px 0}
.recap-inner{display:flex;align-items:center;justify-content:space-between;gap:20px}
.recap-text{font-size:16px;color:var(--ink);line-height:1.6}
.recap-text span{color:var(--ink-2);font-size:14px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--green-2);color:#E9E3D6;padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}
.footer-brand .logo{margin-bottom:16px}
.footer-brand .logo-name{color:#FBF7EF}
.footer-brand .logo-sub{color:#B9BCAE}
.footer-brand p{font-size:14px;line-height:1.8;color:#C7C4B4;max-width:34em}
.footer-col h3{font-size:14px;font-weight:600;color:var(--brand);margin-bottom:14px;letter-spacing:.04em}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:#C7C4B4;transition:color .2s var(--ease)}
.footer-col a:hover{color:var(--brand)}
.footer-bottom{margin-top:44px;padding-top:20px;border-top:1px solid rgba(230,218,198,.18);display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;font-size:13px;color:#A8A79A}

/* ---------- 回到顶部 ---------- */
.to-top{position:fixed;right:24px;bottom:88px;width:48px;height:48px;border-radius:14px;background:var(--green);color:#F7F2E6;border:0;display:none;align-items:center;justify-content:center;box-shadow:var(--sh3);z-index:70;transition:background .2s var(--ease),transform .2s var(--ease)}
.to-top:hover{background:var(--green-2);transform:translateY(-2px)}
.to-top.is-visible{display:flex}

/* ---------- 移动端抽屉 ---------- */
.drawer{display:none;border-top:1px solid var(--line);background:var(--bg);padding:16px 0 20px}
.drawer.is-open{display:block}
.drawer .drawer-search{display:flex;align-items:center;gap:8px;height:48px;background:#fff;border:1px solid var(--line-strong);border-radius:var(--r-btn);padding:0 10px 0 14px;margin-bottom:14px}
.drawer .drawer-search input{flex:1;min-width:0;border:0;outline:0;background:transparent;font-size:15px}
.drawer-links{display:flex;flex-direction:column;gap:2px;margin-bottom:14px}
.drawer-links a{display:flex;align-items:center;min-height:44px;padding:0 12px;border-radius:var(--r-sm);font-size:15px;color:var(--ink-2)}
.drawer-links a:hover,.drawer-links a.is-active{background:var(--brand-soft);color:var(--ink)}
.drawer .btn{width:100%}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .nav-search{max-width:360px}
  .help-grid{grid-template-columns:1fr;gap:32px}
  .side-nav{position:static;order:-1}
  .side-list{flex-direction:row;gap:8px;border-left:0;overflow-x:auto;padding-bottom:6px;scrollbar-width:none}
  .side-list::-webkit-scrollbar{display:none}
  .side-link{border-left:0;border:1px solid var(--line-strong);border-radius:999px;padding:0 14px;height:38px;min-height:38px;background:#fff;white-space:nowrap;font-size:13px}
  .side-link.is-current{border-color:var(--brand);background:var(--brand-soft)}
  .side-card{display:none}
  .help-main{padding:56px 0 64px}
  .version-band{grid-template-columns:110px minmax(0,1fr)}
  .version-band img{width:110px}
  .contact-grid{grid-template-columns:1fr;gap:28px}
}
@media (max-width:768px){
  .wrap{padding:0 16px}
  .nav-search{display:none}
  .menu-toggle{display:inline-flex}
  .nav-actions .btn-primary{display:none}
  .topbar-links{display:none}
  .topbar-inner{justify-content:center}
  .hero-title{margin-top:14px}
  .help-hero{padding:40px 0 44px}
  .search-big{height:48px}
  .version-band{grid-template-columns:1fr;gap:18px}
  .version-band img{width:100%;max-width:220px;aspect-ratio:16/9}
  .version-list{grid-template-columns:1fr}
  .contact-card{padding:24px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .recap-inner{flex-direction:column;align-items:flex-start}
  .footer-bottom{flex-direction:column}
}
@media (max-width:640px){
  .btn{width:100%}
  .band-actions .btn{width:100%}
  .nav-actions{margin-left:auto}
  .footer-grid{grid-template-columns:1fr}
  .faq-item summary{padding:16px;font-size:15px}
  .faq-body{padding:0 16px 16px 16px}
  .help-main{padding:44px 0 52px}
  .to-top{right:16px;bottom:72px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;transition-duration:.001ms!important;scroll-behavior:auto!important}
}