/* roulang page: index */
:root{
  --bg:#F8F7F4;
  --surface:#FFFFFF;
  --surface-2:#F1EFEA;
  --line:#E8E5DF;
  --ink-900:#0E1116;
  --ink-800:#14181F;
  --ink-700:#232830;
  --primary:#FF5A1F;
  --primary-600:#E6440C;
  --primary-100:#FFE9DF;
  --accent:#0FBFA8;
  --accent-100:#DFF7F3;
  --violet:#6B4BFF;
  --success:#17A673;
  --warn:#E8A020;
  --danger:#E0392B;
  --t1:#14171C;
  --t2:#5B6470;
  --t3:#9AA2AC;
  --r-sm:10px;
  --r-md:16px;
  --r-lg:24px;
  --r-pill:999px;
  --shadow-1:0 1px 2px rgba(20,23,28,.06);
  --shadow-2:0 8px 24px -8px rgba(20,23,28,.12);
  --shadow-3:0 24px 60px -24px rgba(20,23,28,.28);
  --ease:cubic-bezier(.22,1,.36,1);
  --max:1240px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--t2);
  font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;color:var(--t1);font-family:inherit;}
h1{font-weight:800;font-size:clamp(2.25rem,5.2vw,4rem);line-height:1.08;letter-spacing:-.02em;}
h2{font-weight:700;font-size:clamp(1.75rem,3vw,2.5rem);line-height:1.15;letter-spacing:-.01em;}
h3{font-weight:600;font-size:1.25rem;line-height:1.35;}
p{margin:0 0 1.2em;}
p:last-child{margin-bottom:0;}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer;}
input,select,textarea{font:inherit;color:inherit;}
time,.num{font-variant-numeric:tabular-nums;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px;}

.container{max-width:var(--max);margin:0 auto;padding:0 24px;}
.section{padding:96px 0;}
.section--tight{padding:80px 0;}
.section--alt{background:var(--surface-2);}
.section--paper{background:var(--bg);}
.section--dark{
  background:linear-gradient(180deg,#0E1116 0%,#1A1F27 100%);
  color:rgba(255,255,255,.72);
}
.section--dark h2,.section--dark h3,.section--dark h1{color:#fff;}

.sec-head{max-width:760px;margin-bottom:48px;}
.sec-num{
  display:inline-block;
  writing-mode:vertical-rl;
  font-size:11px;
  letter-spacing:.28em;
  color:var(--t3);
  text-transform:uppercase;
  margin-bottom:6px;
}
.sec-line{display:flex;align-items:center;gap:14px;margin-bottom:16px;}
.sec-line::before{content:"";width:28px;height:2px;background:var(--primary);border-radius:2px;}
.sec-line span{font-size:13px;letter-spacing:.16em;color:var(--t3);}
.sec-desc{margin-top:16px;color:var(--t2);font-size:16.5px;max-width:700px;}
.section--dark .sec-desc{color:rgba(255,255,255,.68);}
.section--dark .sec-line span{color:rgba(255,255,255,.5);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--r-pill);
  font-weight:500;font-size:15.5px;white-space:nowrap;
  transition:transform .22s var(--ease),background .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease),color .22s var(--ease);
}
.btn--primary{background:var(--primary);color:#fff;box-shadow:var(--shadow-1);}
.btn--primary:hover{background:var(--primary-600);transform:translateY(-2px);box-shadow:var(--shadow-2);}
.btn--primary:active{transform:translateY(0) scale(.985);}
.btn--ghost{border:1px solid var(--line);color:var(--t1);background:transparent;}
.btn--ghost:hover{background:var(--primary-100);border-color:var(--primary);color:var(--primary-600);transform:translateY(-2px);}
.btn--light{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.22);color:#fff;}
.btn--light:hover{background:rgba(255,255,255,.18);transform:translateY(-2px);}
.btn--sm{height:40px;padding:0 20px;font-size:14.5px;}
.btn--block{width:100%;}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--primary-600);font-weight:500;font-size:14.5px;
}
.link-arrow svg{transition:transform .22s var(--ease);}
.link-arrow:hover{color:var(--primary);}
.link-arrow:hover svg{transform:translateX(4px);}

.badge{
  display:inline-flex;align-items:center;
  height:24px;padding:0 10px;border-radius:6px;
  font-size:12px;font-weight:500;line-height:1;
  background:var(--primary-100);color:var(--primary-600);
}
.badge--accent{background:var(--accent-100);color:#0A8C7C;}
.badge--ink{background:rgba(255,255,255,.12);color:#fff;}

/* ---------- Dock 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:90;
  padding:16px 24px 0;
  pointer-events:none;
}
.dock{
  pointer-events:auto;
  max-width:1080px;margin:0 auto;height:64px;
  display:flex;align-items:center;gap:18px;
  padding:0 12px 0 20px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.82);
  border:1px solid var(--line);
  box-shadow:var(--shadow-2);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  transition:height .26s var(--ease),background .26s var(--ease),box-shadow .26s var(--ease),border-color .26s var(--ease);
}
.dock.is-compact{height:56px;box-shadow:var(--shadow-3);}
.dock.is-dark{background:rgba(20,24,31,.62);border-color:rgba(255,255,255,.14);}
.dock.is-dark .dock__name{color:#fff;}
.dock.is-dark .dock__name em{color:rgba(255,255,255,.55);}
.dock.is-dark .dock__nav a{color:rgba(255,255,255,.75);}
.dock.is-dark .dock__nav a:hover,.dock.is-dark .dock__nav a.is-active{color:#fff;}
.dock.is-dark .dock__icon-btn{color:#fff;}
.dock.is-dark .dock__icon-btn:hover{background:rgba(255,255,255,.12);}
.dock.is-dark .dock__burger{color:#fff;}

.dock__logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.dock__mark{
  width:36px;height:36px;border-radius:11px;flex-shrink:0;
  background:linear-gradient(150deg,var(--primary) 0%,#FF8A4C 100%);
  display:grid;place-items:center;color:#fff;
}
.dock__mark svg{width:20px;height:20px;}
.dock__name{
  display:flex;flex-direction:column;line-height:1.15;
  font-weight:600;font-size:15px;color:var(--t1);letter-spacing:0;
}
.dock__name em{font-style:normal;font-size:11px;font-weight:400;color:var(--t3);letter-spacing:.08em;}
.dock__nav{display:flex;align-items:center;gap:4px;margin-left:auto;}
.dock__nav a{
  position:relative;display:block;padding:8px 12px;
  font-size:14.5px;color:var(--t2);
  transition:color .18s var(--ease);
}
.dock__nav a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:var(--primary);border-radius:2px;
  transform:scaleX(0);transform-origin:left;
  transition:transform .18s var(--ease);
}
.dock__nav a:hover{color:var(--t1);}
.dock__nav a:hover::after{transform:scaleX(.6);}
.dock__nav a.is-active{color:var(--primary);font-weight:500;}
.dock__nav a.is-active::after{transform:scaleX(1);}
.dock__actions{display:flex;align-items:center;gap:8px;flex-shrink:0;}
.dock__icon-btn{
  width:40px;height:40px;border-radius:50%;
  display:grid;place-items:center;color:var(--t2);
  transition:background .18s var(--ease),color .18s var(--ease);
}
.dock__icon-btn:hover{background:var(--surface-2);color:var(--t1);}
.dock__burger{display:none;width:40px;height:40px;border-radius:12px;place-items:center;color:var(--t1);}

.drawer{
  pointer-events:auto;
  max-width:1080px;margin:10px auto 0;
  background:var(--surface);border:1px solid var(--line);
  border-radius:8px 8px var(--r-lg) var(--r-lg);
  box-shadow:var(--shadow-3);
  overflow:hidden;max-height:0;
  transition:max-height .3s var(--ease);
}
.drawer.is-open{max-height:460px;}
.drawer ul{padding:12px 16px 18px;}
.drawer li + li{border-top:1px solid var(--line);}
.drawer a{display:block;padding:0 8px;line-height:56px;font-size:18px;color:var(--t1);}
.drawer a.is-active{color:var(--primary);}
.drawer .drawer__cta{padding:0 24px 22px;}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  margin-top:-80px;
  padding:160px 0 96px;
  overflow:hidden;
  background:var(--ink-900);
}
.hero__bg{
  position:absolute;inset:0;
  background-image:linear-gradient(90deg,rgba(14,17,22,.92) 0%,rgba(14,17,22,.55) 55%,rgba(14,17,22,.15) 100%),url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
}
.hero__inner{position:relative;display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center;}
.hero__tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(255,90,31,.16);border:1px solid rgba(255,90,31,.4);
  color:#FFB48C;font-size:13px;margin-bottom:22px;
}
.hero__tag i{width:6px;height:6px;border-radius:50%;background:var(--accent);display:block;}
.hero__title{color:#fff;max-width:14em;}
.hero__title span{color:var(--primary);}
.hero__sub{
  margin-top:22px;max-width:32em;
  font-size:clamp(1rem,1.6vw,1.2rem);line-height:1.75;
  color:rgba(255,255,255,.78);
}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px;}
.stats{
  display:grid;grid-template-columns:repeat(4,1fr);
  margin-top:52px;padding-top:26px;
  border-top:1px solid rgba(255,255,255,.14);
}
.stat{padding-right:20px;}
.stat + .stat{border-left:1px solid rgba(255,255,255,.14);padding-left:20px;}
.stat__num{font-size:26px;font-weight:700;color:#fff;line-height:1.2;}
.stat__num small{font-size:14px;font-weight:400;color:rgba(255,255,255,.6);margin-left:2px;}
.stat__label{font-size:13px;color:rgba(255,255,255,.6);margin-top:4px;}

.hero__card{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.14);
  border-radius:var(--r-lg);
  padding:28px;
  box-shadow:var(--shadow-3);
  backdrop-filter:blur(6px);
  -webkit-backdrop-filter:blur(6px);
}
.hero__card h3{color:#fff;font-size:1.05rem;margin-bottom:6px;}
.hero__card > p{font-size:13.5px;color:rgba(255,255,255,.6);margin-bottom:20px;}
.hero__row{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:13px 0;border-bottom:1px dashed rgba(255,255,255,.14);
  font-size:14px;color:rgba(255,255,255,.82);
}
.hero__row:last-of-type{border-bottom:0;}
.hero__row b{font-weight:500;color:#fff;}
.hero__row span{font-size:12.5px;color:rgba(255,255,255,.5);}
.hero__thumb{
  margin-top:20px;border-radius:var(--r-md);overflow:hidden;
  border:1px solid rgba(255,255,255,.14);
}
.hero__thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;}

/* ---------- 入口速览 ---------- */
.entry-wrap{display:grid;grid-template-columns:.85fr 1.15fr;gap:56px;align-items:start;}
.entry-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.entry-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:26px;
  box-shadow:var(--shadow-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.entry-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#F3C7B4;}
.entry-card__top{display:flex;align-items:center;gap:12px;margin-bottom:14px;}
.entry-card__icon{
  width:42px;height:42px;border-radius:12px;flex-shrink:0;
  display:grid;place-items:center;
  background:var(--primary-100);color:var(--primary-600);
}
.entry-card h3{font-size:1.05rem;}
.entry-card p{font-size:14.5px;margin:0;}
.entry-card__media{
  margin-top:18px;border-radius:var(--r-sm);overflow:hidden;
}
.entry-card__media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .5s var(--ease);}
.entry-card:hover .entry-card__media img{transform:scale(1.03);}

/* ---------- 阶梯 ---------- */
.ladder{
  display:grid;grid-template-columns:repeat(4,1fr);gap:22px;
  align-items:end;
}
.ladder__item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:24px;
  box-shadow:var(--shadow-1);
  transition:transform .26s var(--ease),box-shadow .26s var(--ease);
}
.ladder__item:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.ladder__item--1{min-height:200px;}
.ladder__item--2{min-height:224px;margin-bottom:12px;}
.ladder__item--3{min-height:248px;margin-bottom:24px;}
.ladder__item--4{
  min-height:272px;margin-bottom:36px;
  background:linear-gradient(180deg,#14181F 0%,#0E1116 100%);
  border-color:rgba(255,90,31,.5);
}
.ladder__item--4 h3,.ladder__item--4 .ladder__idx{color:#fff;}
.ladder__item--4 p{color:rgba(255,255,255,.68);}
.ladder__idx{font-size:13px;font-weight:600;color:var(--primary-600);margin-bottom:10px;}
.ladder__item h3{font-size:1.1rem;margin-bottom:12px;}
.ladder__list{display:flex;flex-direction:column;gap:9px;margin-bottom:20px;}
.ladder__list li{
  position:relative;padding-left:16px;font-size:14px;color:var(--t2);
}
.ladder__list li::before{
  content:"";position:absolute;left:0;top:.72em;width:6px;height:6px;border-radius:50%;
  background:var(--primary);opacity:.65;
}
.ladder__item--4 .ladder__list li{color:rgba(255,255,255,.72);}
.ladder__item--4 .ladder__list li::before{background:var(--accent);}
.ladder__btn{
  display:inline-flex;align-items:center;gap:6px;height:36px;padding:0 16px;
  border-radius:var(--r-pill);border:1px solid var(--line);
  font-size:13.5px;color:var(--t1);
  transition:all .2s var(--ease);
}
.ladder__btn:hover{background:var(--primary-100);border-color:var(--primary);color:var(--primary-600);}
.ladder__item--4 .ladder__btn{border-color:rgba(255,255,255,.24);color:#fff;}
.ladder__item--4 .ladder__btn:hover{background:var(--primary);border-color:var(--primary);color:#fff;}

/* ---------- 对比矩阵 ---------- */
.matrix{
  border:1px solid var(--line);border-radius:var(--r-lg);
  background:var(--surface);overflow:hidden;
}
.matrix__row{
  display:grid;grid-template-columns:190px repeat(3,1fr);
  align-items:stretch;
}
.matrix__row + .matrix__row{border-top:1px solid var(--line);}
.matrix__cell{
  padding:18px 22px;font-size:14.5px;color:var(--t2);
  display:flex;align-items:center;gap:8px;
}
.matrix__cell--label{
  color:var(--t1);font-weight:500;
  background:var(--surface-2);
  position:sticky;left:0;
}
.matrix__row--head .matrix__cell{padding:24px 22px;}
.matrix__plan{flex-direction:column;align-items:flex-start;gap:4px;}
.matrix__plan b{font-size:1rem;font-weight:600;color:var(--t1);}
.matrix__plan span{font-size:13px;color:var(--t3);}
.matrix__plan--rec{
  background:var(--primary-100);
  box-shadow:inset 0 3px 0 var(--primary);
  position:relative;
}
.matrix__plan--rec .badge{position:absolute;top:12px;right:16px;background:var(--primary);color:#fff;}
.matrix__group{
  grid-column:1 / -1;
  padding:10px 22px;
  background:#FAF9F6;
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  font-size:12.5px;letter-spacing:.1em;color:var(--t3);
}
.matrix__ok{color:var(--success);font-weight:600;}
.matrix__no{color:var(--t3);}
.plan-cards{display:none;}

/* ---------- 限时面板 ---------- */
.flash{
  background:linear-gradient(180deg,#0E1116 0%,#1A1F27 100%);
  border-radius:var(--r-lg);
  padding:40px;
  display:grid;grid-template-columns:auto 1fr auto;gap:40px;align-items:center;
}
.flash__label{font-size:13px;letter-spacing:.1em;color:rgba(255,255,255,.55);margin-bottom:14px;}
.countdown{display:flex;align-items:center;gap:8px;}
.countdown__box{
  min-width:62px;padding:10px 8px;border-radius:var(--r-sm);
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);
  text-align:center;
}
.countdown__box b{
  display:block;font-size:32px;font-weight:700;line-height:1.1;color:#fff;
  font-variant-numeric:tabular-nums;
}
.countdown__box em{font-style:normal;font-size:12px;color:rgba(255,255,255,.5);}
.countdown__colon{color:rgba(255,255,255,.35);font-size:24px;line-height:1;padding-bottom:16px;}
.flash__mid{max-width:520px;}
.flash__mid h3{margin-bottom:8px;}
.flash__mid p{font-size:14.5px;color:rgba(255,255,255,.62);margin-bottom:16px;}
.progress{height:8px;border-radius:var(--r-pill);background:rgba(255,255,255,.12);overflow:hidden;}
.progress__bar{height:100%;width:68%;border-radius:var(--r-pill);background:linear-gradient(90deg,var(--accent) 0%,#5FE3D0 100%);}
.flash__meta{display:flex;justify-content:space-between;font-size:12.5px;color:rgba(255,255,255,.5);margin-top:10px;}

/* ---------- 资讯 ---------- */
.news-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:28px;align-items:start;}
.news-lead{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.news-lead:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.news-lead__media{display:block;overflow:hidden;}
.news-lead__media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .5s var(--ease);}
.news-lead:hover .news-lead__media img{transform:scale(1.03);}
.news-lead__body{padding:26px;}
.news-lead__body h3{margin:12px 0 10px;}
.news-lead__body h3 a:hover{color:var(--primary-600);}
.news-lead__body p{font-size:14.5px;margin-bottom:16px;}
.news-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--t3);}
.news-list{display:flex;flex-direction:column;gap:14px;}
.news-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:20px 22px;box-shadow:var(--shadow-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.news-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#F3C7B4;}
.news-item__head{display:flex;align-items:center;gap:10px;margin-bottom:8px;}
.news-item h3{font-size:1rem;line-height:1.45;margin-bottom:6px;}
.news-item h3 a:hover{color:var(--primary-600);}
.news-item p{
  font-size:13.5px;color:var(--t2);margin:0 0 10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.empty-state{
  grid-column:1 / -1;
  background:var(--surface);border:1px dashed var(--line);border-radius:var(--r-lg);
  padding:64px 24px;text-align:center;
}
.empty-state__icon{
  width:56px;height:56px;margin:0 auto 16px;border-radius:50%;
  display:grid;place-items:center;background:var(--surface-2);color:var(--t3);
}
.empty-state p{color:var(--t3);font-size:14.5px;margin-bottom:18px;}

/* ---------- FAQ ---------- */
.faq{max-width:760px;margin:0 auto;}
.faq__item{
  border-bottom:1px solid var(--line);
}
.faq__item:first-child{border-top:1px solid var(--line);}
.faq__q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  min-height:64px;padding:18px 4px;text-align:left;
  font-size:16.5px;font-weight:500;color:var(--t1);
  transition:color .18s var(--ease);
}
.faq__q:hover{color:var(--primary-600);}
.faq__icon{
  width:26px;height:26px;flex-shrink:0;border-radius:50%;
  display:grid;place-items:center;background:var(--surface-2);color:var(--t2);
  transition:transform .3s var(--ease),background .3s var(--ease),color .3s var(--ease);
}
.faq__item.is-open .faq__icon{transform:rotate(45deg);background:var(--primary);color:#fff;}
.faq__a{
  display:grid;grid-template-rows:0fr;
  transition:grid-template-rows .32s var(--ease);
}
.faq__item.is-open .faq__a{grid-template-rows:1fr;}
.faq__a > div{overflow:hidden;}
.faq__a p{font-size:15px;line-height:1.8;color:var(--t2);padding:0 4px 24px;margin:0;}

/* ---------- 表单 ---------- */
.form-panel{
  display:grid;grid-template-columns:.8fr 1.2fr;gap:56px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:44px;box-shadow:var(--shadow-1);
}
.form-panel__aside h2{font-size:clamp(1.5rem,2.4vw,2rem);margin-bottom:16px;}
.form-panel__aside p{font-size:14.5px;}
.aside-points{display:flex;flex-direction:column;gap:14px;margin-top:24px;}
.aside-points li{display:flex;gap:10px;font-size:14px;color:var(--t2);}
.aside-points i{
  width:20px;height:20px;border-radius:50%;flex-shrink:0;margin-top:4px;
  display:grid;place-items:center;background:var(--accent-100);color:#0A8C7C;
}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.field{display:flex;flex-direction:column;gap:8px;}
.field--full{grid-column:1 / -1;}
.field__label{font-size:13.5px;color:var(--t1);font-weight:500;}
.field__label em{font-style:normal;color:var(--danger);margin-left:2px;}
.field__input{
  height:48px;padding:0 14px;border-radius:var(--r-sm);
  border:1px solid var(--line);background:var(--surface);
  font-size:15px;color:var(--t1);
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.field__input::placeholder{color:var(--t3);}
.field__input:hover{border-color:#D7D2C9;}
.field__input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 2px rgba(255,90,31,.18);}
textarea.field__input{height:auto;padding:12px 14px;line-height:1.7;resize:vertical;min-height:112px;}
select.field__input{appearance:none;background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%239AA2AC' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center;}
.field.is-error .field__input{border-color:var(--danger);}
.field__err{font-size:12px;color:var(--danger);display:none;}
.field.is-error .field__err{display:block;}
.checkbox{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;color:var(--t2);}
.checkbox input{width:18px;height:18px;margin-top:4px;accent-color:var(--primary);flex-shrink:0;}
.form-success{
  display:none;
  text-align:center;padding:56px 24px;
}
.form-success.is-on{display:block;}
.form-success__icon{
  width:60px;height:60px;border-radius:50%;margin:0 auto 18px;
  display:grid;place-items:center;background:var(--accent-100);color:#0A8C7C;
}
.form-success h3{margin-bottom:10px;}
.form-success p{font-size:14.5px;margin-bottom:22px;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:linear-gradient(180deg,#0E1116 0%,#1A1F27 100%);
  color:rgba(255,255,255,.6);
  padding:72px 0 0;
}
.footer__grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:44px;}
.footer__brand{display:flex;flex-direction:column;gap:16px;}
.footer__logo{display:flex;align-items:center;gap:10px;}
.footer__logo .dock__mark{width:34px;height:34px;border-radius:10px;}
.footer__logo b{color:#fff;font-size:15px;font-weight:600;line-height:1.2;}
.footer__logo em{display:block;font-style:normal;font-size:11px;color:rgba(255,255,255,.45);letter-spacing:.08em;}
.footer__brand p{font-size:13.5px;margin:0;max-width:30em;}
.footer__col h4{color:#fff;font-size:14px;font-weight:600;margin-bottom:18px;}
.footer__col ul{display:flex;flex-direction:column;gap:12px;}
.footer__col a{font-size:13.5px;color:rgba(255,255,255,.6);transition:color .18s var(--ease);}
.footer__col a:hover{color:var(--primary);}
.footer__qr{
  width:96px;height:96px;border-radius:var(--r-sm);
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);
  display:grid;place-items:center;color:rgba(255,255,255,.4);font-size:12px;
}
.footer__bottom{
  margin-top:56px;padding:24px 0;
  border-top:1px solid rgba(255,255,255,.1);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.45);
}
.footer__bottom a{color:rgba(255,255,255,.55);}
.footer__bottom a:hover{color:var(--primary);}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);}
.reveal.is-in{opacity:1;transform:none;transition:opacity .48s var(--ease),transform .48s var(--ease);}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;}
  .reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}

/* ---------- 响应式 ---------- */
@media (max-width:1280px){
  .container{padding:0 22px;}
}
@media (max-width:1024px){
  .section{padding:80px 0;}
  .hero{padding:150px 0 80px;}
  .hero__inner{grid-template-columns:1fr;gap:40px;}
  .hero__title{max-width:none;}
  .entry-wrap{grid-template-columns:1fr;gap:36px;}
  .ladder{grid-template-columns:repeat(2,1fr);gap:20px;}
  .ladder__item--1,.ladder__item--2,.ladder__item--3,.ladder__item--4{margin-bottom:0;min-height:0;}
  .ladder__item--4{background:linear-gradient(180deg,#14181F 0%,#0E1116 100%);}
  .flash{grid-template-columns:1fr;gap:28px;}
  .news-grid{grid-template-columns:1fr;}
  .form-panel{grid-template-columns:1fr;gap:32px;padding:32px;}
  .footer__grid{grid-template-columns:1fr 1fr;gap:36px;}
}
@media (max-width:768px){
  .dock__nav,.dock__actions .btn{display:none;}
  .dock__burger{display:grid;}
  .hero{padding:130px 0 64px;}
  .hero__actions .btn{width:100%;}
  .stats{grid-template-columns:repeat(2,1fr);gap:20px 0;}
  .stat + .stat:nth-child(odd){border-left:0;padding-left:0;}
  .stat:nth-child(even){border-left:1px solid rgba(255,255,255,.14);padding-left:20px;}
  .entry-grid{grid-template-columns:1fr;}
  .ladder{grid-template-columns:1fr;}
  .matrix{display:none;}
  .plan-cards{display:grid;gap:18px;}
  .plan-card{
    background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
    padding:24px;box-shadow:var(--shadow-1);
  }
  .plan-card--rec{border-color:var(--primary);box-shadow:0 0 0 1px var(--primary),var(--shadow-2);}
  .plan-card h3{margin:10px 0 12px;}
  .plan-card dl{display:grid;grid-template-columns:auto 1fr;gap:8px 14px;font-size:14px;}
  .plan-card dt{color:var(--t3);}
  .plan-card dd{margin:0;color:var(--t2);}
  .flash{padding:28px 22px;}
  .form-grid{grid-template-columns:1fr;}
  .faq__q{font-size:15.5px;}
  .footer__grid{grid-template-columns:1fr;}
  .footer__bottom{justify-content:flex-start;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .section{padding:64px 0;}
  .site-header{padding:12px 16px 0;}
  .dock{padding:0 10px 0 14px;height:58px;gap:10px;}
  .dock__name{font-size:14px;}
  .dock__name em{display:none;}
  .countdown__box{min-width:54px;}
  .countdown__box b{font-size:26px;}
  .hero__card{padding:22px;}
}

/* roulang page: category1 */
/* ============ 设计变量 ============ */
:root{
  --bg:#F8F7F4;
  --surface:#FFFFFF;
  --surface-2:#F1EFEA;
  --line:#E8E5DF;
  --ink-900:#0E1116;
  --ink-800:#14181F;
  --ink-700:#232830;
  --primary:#FF5A1F;
  --primary-600:#E6440C;
  --primary-100:#FFE9DF;
  --accent:#0FBFA8;
  --accent-100:#DFF7F3;
  --violet:#6B4BFF;
  --success:#17A673;
  --warn:#E8A020;
  --danger:#E0392B;
  --t1:#14171C;
  --t2:#5B6470;
  --t3:#9AA2AC;
  --r-sm:10px;
  --r-md:16px;
  --r-lg:24px;
  --r-pill:999px;
  --shadow-1:0 1px 2px rgba(20,23,28,.06);
  --shadow-2:0 8px 24px -8px rgba(20,23,28,.12);
  --shadow-3:0 24px 60px -24px rgba(20,23,28,.28);
  --ease:cubic-bezier(.22,1,.36,1);
}

/* ============ 基础重置 ============ */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  background:var(--bg);
  color:var(--t2);
  font-size:16.5px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5{color:var(--t1);margin:0;font-weight:700;line-height:1.2}
h1{font-size:clamp(2.25rem,5.2vw,4rem);font-weight:800;line-height:1.08;letter-spacing:-.02em}
h2{font-size:clamp(1.75rem,3vw,2.5rem);line-height:1.15;letter-spacing:-.01em}
h3{font-size:1.25rem;font-weight:600;line-height:1.35}
h4{font-size:1rem;font-weight:600;line-height:1.4}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
a{color:inherit;text-decoration:none;transition:color .18s var(--ease)}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{
  outline:2px solid var(--primary);
  outline-offset:2px;
  border-radius:6px;
}
img{max-width:100%;display:block;border-style:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}
.skip{
  position:absolute;left:-9999px;top:0;background:var(--ink-900);color:#fff;
  padding:10px 16px;border-radius:var(--r-sm);z-index:200;
}
.skip:focus{left:16px;top:16px}

/* ============ 容器 ============ */
.container{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding:0 24px;
}
.container--narrow{max-width:880px}

/* ============ 头部与浮动 Dock ============ */
.site-head{
  position:sticky;
  top:16px;
  z-index:90;
  padding:0 16px;
}
.dock{
  max-width:1080px;
  margin:0 auto;
  height:64px;
  padding:0 20px;
  display:flex;
  align-items:center;
  gap:18px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.72);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border:1px solid var(--line);
  box-shadow:var(--shadow-2);
  transition:height .26s var(--ease),padding .26s var(--ease),box-shadow .26s var(--ease),background .26s var(--ease);
}
.dock.is-shrink{height:56px;padding:0 16px;box-shadow:var(--shadow-3)}
.dock__logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.dock__mark{
  width:34px;height:34px;flex:0 0 auto;
  display:grid;place-items:center;
  border-radius:11px;
  background:linear-gradient(135deg,var(--primary) 0%,var(--primary-600) 100%);
  color:#fff;
  box-shadow:0 6px 16px -8px rgba(230,68,12,.85);
}
.dock__mark svg{width:19px;height:19px}
.dock__name{
  font-size:15px;font-weight:700;color:var(--t1);letter-spacing:.01em;
  display:flex;align-items:baseline;gap:6px;white-space:nowrap;
}
.dock__name em{
  font-style:normal;font-size:11.5px;font-weight:500;color:var(--t3);
  border-left:1px solid var(--line);padding-left:6px;
}
.dock__nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.dock__nav a{
  position:relative;display:block;
  padding:9px 12px;border-radius:var(--r-pill);
  font-size:14.5px;font-weight:500;color:var(--t2);white-space:nowrap;
}
.dock__nav a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:4px;height:2px;
  background:var(--primary);border-radius:2px;
  transform:scaleX(0);transform-origin:left;transition:transform .18s var(--ease);
}
.dock__nav a:hover{color:var(--t1);background:var(--surface-2)}
.dock__nav a:hover::after{transform:scaleX(1)}
.dock__nav a.is-active{color:var(--primary);font-weight:600}
.dock__nav a.is-active::after{transform:scaleX(1)}
.dock__actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.dock__icon-btn{
  width:40px;height:40px;border-radius:50%;
  display:grid;place-items:center;color:var(--t2);
  transition:background .18s var(--ease),color .18s var(--ease);
}
.dock__icon-btn:hover{background:var(--surface-2);color:var(--t1)}
.dock__burger{
  width:40px;height:40px;border-radius:50%;
  display:none;place-items:center;color:var(--t1);
}
.dock__burger:hover{background:var(--surface-2)}
.dock__drawer{
  display:none;
  position:fixed;left:12px;right:12px;top:12px;z-index:120;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--shadow-3);
  padding:20px;
  transform:translateY(-118%);
  transition:transform .34s var(--ease);
}
.dock__drawer.is-open{transform:translateY(0)}
.dock__drawer ul{display:grid;gap:2px;margin-top:8px}
.dock__drawer a{
  display:block;font-size:18px;font-weight:500;color:var(--t1);
  padding:0 4px;line-height:56px;border-radius:var(--r-sm);
}
.dock__drawer a:hover{background:var(--surface-2)}
.dock__drawer a.is-active{color:var(--primary)}
.dock__drawer .btn{margin-top:14px;width:100%;justify-content:center}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;letter-spacing:.01em;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:background .2s var(--ease),color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.btn--primary{background:var(--primary);color:#fff;box-shadow:0 10px 22px -14px rgba(255,90,31,.9)}
.btn--primary:hover{background:var(--primary-600);transform:translateY(-2px);box-shadow:var(--shadow-2)}
.btn--primary:active{transform:translateY(0) scale(.985)}
.btn--ghost{background:transparent;color:var(--t1);border-color:var(--line)}
.btn--ghost:hover{background:var(--primary-100);border-color:var(--primary);color:var(--primary-600)}
.btn--light{background:#fff;color:var(--ink-900)}
.btn--light:hover{background:var(--primary-100);color:var(--primary-600);transform:translateY(-2px)}
.btn--sm{height:40px;padding:0 20px;font-size:14px}
.btn--block{width:100%}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--primary);font-weight:600;font-size:15px;
}
.text-link svg{transition:transform .2s var(--ease)}
.text-link:hover{color:var(--primary-600)}
.text-link:hover svg{transform:translateX(4px)}
.text-link:hover span{border-bottom:1px solid currentColor}

/* ============ 标签 / 徽章 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:24px;padding:0 9px;border-radius:6px;
  font-size:12px;font-weight:600;letter-spacing:.02em;
  background:var(--primary-100);color:var(--primary-600);
}
.badge--accent{background:var(--accent-100);color:#0A8F7E}
.badge--soft{background:var(--surface-2);color:var(--t2)}
.badge--dark{background:rgba(255,255,255,.12);color:#fff}

/* ============ 通用板块骨架 ============ */
.sec{padding:104px 0}
.sec--tint{background:var(--surface-2)}
.sec--tight{padding:72px 0}
.sec--dark{
  background:linear-gradient(180deg,var(--ink-900) 0%,#1A1F27 100%);
  color:rgba(255,255,255,.72);
}
.sec--dark h2,.sec--dark h3,.sec--dark h4{color:#fff}
.sec__head{max-width:720px;margin-bottom:48px}
.sec__head--center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:flex;align-items:center;gap:10px;
  font-size:11px;font-weight:700;letter-spacing:.22em;color:var(--t3);
  text-transform:uppercase;margin-bottom:16px;
}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--t3)}
.eyebrow--vertical{
  writing-mode:vertical-rl;letter-spacing:.3em;margin:0;
}
.sec__head h2{margin-bottom:16px}
.sec__lead{font-size:16.5px;line-height:1.85;color:var(--t2);max-width:640px}
.sec--dark .sec__lead{color:rgba(255,255,255,.7)}

/* ============ 面包屑 ============ */
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13.5px;color:var(--t3);margin-bottom:28px;
}
.crumb a{color:var(--t3)}
.crumb a:hover{color:var(--primary);border-bottom:1px solid currentColor}
.crumb span[aria-current]{color:var(--t3)}
.crumb .sep{color:#CFCBC2}

/* ============ 首屏（非对称双栏） ============ */
.hero-split{
  display:grid;
  grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);
  gap:56px;
  align-items:center;
  padding:20px 0 8px;
}
.hero-copy h1{margin:16px 0 20px}
.hero-copy h1 .hl{
  color:var(--primary);
  background:linear-gradient(180deg,transparent 66%,rgba(255,90,31,.18) 66%);
}
.hero-sub{font-size:17px;line-height:1.85;color:var(--t2);max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-meta{
  display:flex;flex-wrap:wrap;gap:26px;margin-top:34px;
  padding-top:24px;border-top:1px solid var(--line);
}
.hero-meta div{min-width:96px}
.hero-meta b{
  display:block;font-size:1.55rem;font-weight:800;color:var(--t1);
  letter-spacing:-.02em;font-variant-numeric:tabular-nums;
}
.hero-meta span{font-size:13px;color:var(--t3)}

.hero-side{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:18px;
  box-shadow:var(--shadow-2);
}
.hero-side figure{margin:0}
.hero-side img{
  width:100%;aspect-ratio:16/10;object-fit:cover;
  border-radius:var(--r-md);
  transition:transform .4s var(--ease);
}
.hero-side:hover img{transform:scale(1.03)}
.hero-side figcaption{font-size:13px;color:var(--t3);margin-top:12px}
.hero-side ul{margin-top:16px;display:grid;gap:10px}
.hero-side li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:14.5px;color:var(--t2);
  padding:12px 14px;background:var(--surface-2);border-radius:var(--r-sm);
}
.hero-side li b{color:var(--t1);font-weight:600}
.dot-check{
  flex:0 0 auto;width:20px;height:20px;border-radius:50%;
  background:var(--accent);color:#fff;display:grid;place-items:center;margin-top:3px;
  font-size:11px;font-weight:800;
}

/* ============ 准备事项：图文两栏 ============ */
.prep{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);
  gap:56px;align-items:center;
}
.prep__media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-md);
  border:1px solid var(--line);
}
.prep__list{display:grid;gap:14px;margin-top:28px}
.prep__item{
  display:grid;grid-template-columns:44px minmax(0,1fr);gap:16px;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-md);padding:20px;
  box-shadow:var(--shadow-1);
  transition:box-shadow .22s var(--ease),transform .22s var(--ease),border-color .22s var(--ease);
}
.prep__item:hover{box-shadow:var(--shadow-2);transform:translateY(-4px);border-color:#F5C9B4}
.prep__no{
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
  background:var(--primary-100);color:var(--primary-600);
  font-weight:800;font-size:15px;font-variant-numeric:tabular-nums;
}
.prep__item h3{margin-bottom:6px;font-size:1.05rem}
.prep__item p{font-size:14.5px;line-height:1.8}

/* ============ 步骤时间线 ============ */
.steps{position:relative;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.steps::before{
  content:"";position:absolute;left:19px;top:12px;bottom:12px;
  width:2px;background:linear-gradient(180deg,var(--primary) 0%,rgba(255,90,31,.12) 100%);
  border-radius:2px;
}
.step{
  position:relative;
  display:grid;grid-template-columns:40px minmax(0,1fr);gap:16px;
  padding-left:0;
}
.step:nth-child(even){margin-top:36px}
.step__no{
  position:relative;z-index:1;
  width:40px;height:40px;border-radius:50%;
  display:grid;place-items:center;
  background:var(--surface);border:2px solid var(--primary);
  color:var(--primary-600);font-weight:800;font-size:15px;
  font-variant-numeric:tabular-nums;
}
.step__body{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-md);padding:24px;
  box-shadow:var(--shadow-1);
  transition:box-shadow .22s var(--ease),transform .22s var(--ease),border-color .22s var(--ease);
}
.step__body:hover{box-shadow:var(--shadow-2);transform:translateY(-4px);border-color:#F5C9B4}
.step__body h3{margin-bottom:8px}
.step__body p{font-size:14.5px;line-height:1.8}
.step__tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}

/* ============ 入口卡片（四列） ============ */
.entries{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.entry{
  display:flex;flex-direction:column;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-md);padding:24px;
  box-shadow:var(--shadow-1);
  transition:box-shadow .22s var(--ease),transform .22s var(--ease),border-color .22s var(--ease);
}
.entry:hover{box-shadow:var(--shadow-2);transform:translateY(-4px);border-color:#F5C9B4}
.entry__icon{
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
  background:var(--ink-900);color:#fff;margin-bottom:16px;
}
.entry__icon svg{width:21px;height:21px}
.entry h3{font-size:1.05rem;margin-bottom:8px}
.entry p{font-size:14.5px;line-height:1.8;flex:1}
.entry .text-link{margin-top:16px;font-size:14px}

/* ============ 设备对照（行式列表） ============ */
.devices{
  border:1px solid var(--line);border-radius:var(--r-lg);
  background:var(--surface);overflow:hidden;
}
.device{
  display:grid;grid-template-columns:200px minmax(0,1fr) 190px;
  gap:24px;align-items:center;
  padding:26px 28px;
  border-bottom:1px solid var(--line);
  transition:background .2s var(--ease);
}
.device:last-child{border-bottom:0}
.device:hover{background:var(--surface-2)}
.device__name{display:flex;align-items:center;gap:12px;color:var(--t1);font-weight:700}
.device__icon{
  width:36px;height:36px;border-radius:10px;display:grid;place-items:center;
  background:var(--accent-100);color:#0A8F7E;flex:0 0 auto;
}
.device__icon svg{width:19px;height:19px}
.device p{font-size:14.5px;line-height:1.8}
.device__note{font-size:13.5px;color:var(--t3);text-align:right}

/* ============ FAQ ============ */
.faq-wrap{max-width:760px;margin:0 auto}
.faq{border-top:1px solid var(--line)}
.faq__item{border-bottom:1px solid var(--line)}
.faq__q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  min-height:64px;padding:12px 4px;text-align:left;
  font-size:16.5px;font-weight:600;color:var(--t1);
  transition:color .18s var(--ease);
}
.faq__q:hover{color:var(--primary)}
.faq__q .plus{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  display:grid;place-items:center;
  background:var(--surface-2);color:var(--primary);
  font-size:16px;line-height:1;font-weight:700;
  transition:transform .28s var(--ease),background .2s var(--ease);
}
.faq__item.is-open .plus{transform:rotate(45deg);background:var(--primary-100)}
.faq__a{
  max-height:0;overflow:hidden;
  transition:max-height .34s var(--ease);
}
.faq__a p{padding:2px 4px 22px;font-size:15px;line-height:1.8;color:var(--t2)}

/* ============ CTA 条 ============ */
.cta-bar{
  position:relative;overflow:hidden;
  background:linear-gradient(90deg,rgba(14,17,22,.94) 0%,rgba(14,17,22,.72) 58%,rgba(14,17,22,.45) 100%),
             url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  border-radius:var(--r-lg);
  padding:52px 48px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px;
  box-shadow:var(--shadow-3);
}
.cta-bar h2{color:#fff;font-size:clamp(1.5rem,2.4vw,2rem);margin-bottom:10px}
.cta-bar p{color:rgba(255,255,255,.72);max-width:560px;font-size:15.5px}
.cta-bar__actions{display:flex;flex-wrap:wrap;gap:14px}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--ink-900);
  color:rgba(255,255,255,.62);
  padding:72px 0 28px;
  margin-top:0;
}
.footer__grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;
  padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.1);
}
.footer__logo{display:flex;align-items:center;gap:10px;margin-bottom:18px}
.footer__logo b{color:#fff;font-size:15.5px;font-weight:700;display:flex;align-items:baseline;gap:6px}
.footer__logo em{font-style:normal;font-size:11.5px;font-weight:500;color:rgba(255,255,255,.45);border-left:1px solid rgba(255,255,255,.18);padding-left:6px}
.footer__brand p{font-size:14.5px;line-height:1.8;max-width:340px;margin-bottom:12px}
.footer__col h4{color:#fff;font-size:14.5px;margin-bottom:18px}
.footer__col ul{display:grid;gap:11px}
.footer__col a{font-size:14.5px;color:rgba(255,255,255,.62)}
.footer__col a:hover{color:var(--primary);border-bottom:1px solid currentColor}
.footer__qr{
  width:120px;height:120px;border-radius:var(--r-md);
  display:grid;place-items:center;
  background:rgba(255,255,255,.06);
  border:1px dashed rgba(255,255,255,.24);
  font-size:13px;color:rgba(255,255,255,.5);
}
.footer__bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  padding-top:24px;font-size:13px;color:rgba(255,255,255,.45);
}

/* ============ 入场动效 ============ */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .48s var(--ease),transform .48s var(--ease)}
.reveal.is-in{opacity:1;transform:none}

/* ============ 响应式 ============ */
@media (max-width:1280px){
  .container{padding:0 22px}
}
@media (max-width:1024px){
  .sec{padding:80px 0}
  .hero-split{grid-template-columns:1fr;gap:36px}
  .prep{grid-template-columns:1fr;gap:32px}
  .entries{grid-template-columns:repeat(2,minmax(0,1fr))}
  .device{grid-template-columns:180px minmax(0,1fr);}
  .device__note{grid-column:1/-1;text-align:left}
  .footer__grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:768px){
  body{font-size:16px}
  .dock__nav{display:none}
  .dock__icon-btn{display:none}
  .dock__burger{display:grid}
  .dock__drawer{display:block}
  .dock__name em{display:none}
  .sec{padding:56px 0}
  .sec__head{margin-bottom:34px}
  .steps{grid-template-columns:1fr;gap:18px}
  .steps::before{left:19px}
  .step:nth-child(even){margin-top:0}
  .entries{grid-template-columns:1fr}
  .hero-meta{gap:20px}
  .hero-meta b{font-size:1.35rem}
  .cta-bar{padding:36px 24px}
  .cta-bar__actions{width:100%}
  .cta-bar__actions .btn{width:100%}
  .hero-actions .btn{width:100%}
  .footer__grid{grid-template-columns:1fr}
}
@media (max-width:520px){
  .container{padding:0 18px}
  .dock{height:58px;padding:0 14px;gap:10px}
  .dock__name{font-size:13.5px}
  .dock__mark{width:30px;height:30px;border-radius:10px}
  .device{padding:20px 18px;grid-template-columns:1fr;gap:12px}
  .prep__item{grid-template-columns:1fr;gap:12px}
  .footer__bottom{flex-direction:column}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: article */
/* ============ 设计变量 ============ */
:root{
  --bg:#F8F7F4;
  --surface:#FFFFFF;
  --surface-2:#F1EFEA;
  --line:#E8E5DF;
  --ink-900:#0E1116;
  --ink-800:#14181F;
  --ink-700:#232830;
  --primary:#FF5A1F;
  --primary-600:#E6440C;
  --primary-100:#FFE9DF;
  --accent:#0FBFA8;
  --accent-100:#DFF7F3;
  --violet:#6B4BFF;
  --success:#17A673;
  --warn:#E8A020;
  --danger:#E0392B;
  --t1:#14171C;
  --t2:#5B6470;
  --t3:#9AA2AC;
  --r-sm:10px;
  --r-md:16px;
  --r-lg:24px;
  --r-pill:999px;
  --shadow-1:0 1px 2px rgba(20,23,28,.06);
  --shadow-2:0 8px 24px -8px rgba(20,23,28,.12);
  --shadow-3:0 24px 60px -24px rgba(20,23,28,.28);
  --ease:cubic-bezier(.22,1,.36,1);
  --dock-h:64px;
}
/* ============ reset ============ */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  color:var(--t2);
  background:var(--bg);
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{color:var(--t1);margin:0;line-height:1.2;letter-spacing:-.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input,select,textarea{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
svg{display:block}
::selection{background:var(--primary-100);color:var(--primary-600)}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section--tight{padding:72px 0}
.section--alt{background:var(--surface-2)}
.section--dark{background:linear-gradient(180deg,var(--ink-900) 0%,#1A1F27 100%);color:rgba(255,255,255,.72)}
.section--dark h2,.section--dark h3{color:#fff}

/* ============ 顶部阅读进度 ============ */
.read-bar{position:fixed;top:0;left:0;right:0;height:3px;background:transparent;z-index:200;pointer-events:none}
.read-bar__fill{height:100%;width:0;background:linear-gradient(90deg,var(--primary),var(--accent));transform-origin:left center;transition:width .12s linear}

/* ============ 浮动 Dock 导航 ============ */
.site-head{position:sticky;top:0;z-index:120;padding:16px 0 0}
.dock{
  display:flex;align-items:center;gap:18px;
  width:calc(100% - 32px);max-width:1080px;height:var(--dock-h);
  margin:0 auto;padding:0 20px;
  border:1px solid var(--line);border-radius:var(--r-pill);
  background:rgba(255,255,255,.72);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  box-shadow:var(--shadow-2);
  transition:height .26s var(--ease),box-shadow .26s var(--ease),background .26s var(--ease),border-color .26s var(--ease);
}
.dock.is-scrolled{height:56px;box-shadow:var(--shadow-3)}
.dock.is-dark{background:rgba(20,24,31,.62);border-color:rgba(255,255,255,.14);color:#fff}
.dock.is-dark .dock__nav a{color:rgba(255,255,255,.72)}
.dock.is-dark .dock__nav a:hover,.dock.is-dark .dock__nav a.is-active{color:#fff}
.dock.is-dark .dock__name{color:#fff}
.dock.is-dark .dock__name em{color:rgba(255,255,255,.5)}
.dock.is-dark .dock__icon-btn{color:#fff}
.dock.is-dark .dock__icon-btn:hover{background:rgba(255,255,255,.12)}
.dock__logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.dock__mark{
  width:34px;height:34px;flex:0 0 auto;border-radius:11px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,var(--primary) 0%,#FF8A4C 100%);
  color:#fff;box-shadow:0 6px 16px -8px rgba(255,90,31,.9);
}
.dock__mark svg{width:18px;height:18px}
.dock__name{font-size:15px;font-weight:700;color:var(--t1);letter-spacing:-.01em;white-space:nowrap}
.dock__name em{font-style:normal;font-weight:500;font-size:12px;color:var(--t3);margin-left:4px}
.dock__nav{display:flex;align-items:center;gap:4px;margin-left:8px;flex:1 1 auto}
.dock__nav a{
  position:relative;display:block;padding:8px 12px;font-size:14px;font-weight:500;
  color:var(--t2);border-radius:var(--r-pill);transition:color .18s var(--ease),background .18s var(--ease);
}
.dock__nav a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;
  background:var(--primary);transform:scaleX(0);transform-origin:left center;transition:transform .18s var(--ease);
}
.dock__nav a:hover{color:var(--t1)}
.dock__nav a:hover::after{transform:scaleX(.6)}
.dock__nav a.is-active{color:var(--primary);font-weight:600}
.dock__nav a.is-active::after{transform:scaleX(1)}
.dock__actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.dock__icon-btn{
  width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  color:var(--t2);transition:background .18s var(--ease),color .18s var(--ease);
}
.dock__icon-btn:hover{background:var(--surface-2);color:var(--t1)}
.dock__burger{display:none;width:40px;height:40px;border-radius:50%;align-items:center;justify-content:center;color:var(--t1)}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;letter-spacing:.01em;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform .22s var(--ease),background .22s var(--ease),box-shadow .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
}
.btn--sm{height:40px;padding:0 20px;font-size:14px}
.btn--primary{background:var(--primary);color:#fff;box-shadow:0 10px 24px -14px rgba(255,90,31,.9)}
.btn--primary:hover{background:var(--primary-600);transform:translateY(-2px);box-shadow:var(--shadow-2)}
.btn--primary:active{transform:translateY(0) scale(.985)}
.btn--ghost{background:transparent;border-color:var(--line);color:var(--t1)}
.btn--ghost:hover{background:var(--primary-100);border-color:var(--primary);color:var(--primary-600);transform:translateY(-2px)}
.btn--ghost-light{background:transparent;border-color:rgba(255,255,255,.3);color:#fff}
.btn--ghost-light:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.6);transform:translateY(-2px)}
.btn--block{width:100%}
.link-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--primary-600);font-weight:600;font-size:14px}
.link-arrow svg{transition:transform .22s var(--ease)}
.link-arrow:hover svg{transform:translateX(4px)}

/* ============ 标签 / 徽章 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 10px;
  border-radius:6px;font-size:12px;font-weight:600;line-height:1;
  background:var(--primary-100);color:var(--primary-600);
}
.badge--accent{background:var(--accent-100);color:#0A8574}
.badge--ghost{background:rgba(255,255,255,.12);color:rgba(255,255,255,.86)}
.tag{font-size:12px;color:var(--t3);border:1px solid var(--line);border-radius:var(--r-pill);padding:3px 10px;background:var(--surface)}

/* ============ 文章头部（深色） ============ */
.article-hero{
  position:relative;margin-top:-80px;padding:150px 0 72px;
  background:var(--ink-900) url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  color:rgba(255,255,255,.76);overflow:hidden;
}
.article-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(14,17,22,.94) 0%,rgba(14,17,22,.72) 52%,rgba(14,17,22,.32) 100%);
}
.article-hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:120px;
  background:linear-gradient(180deg,rgba(14,17,22,0) 0%,rgba(14,17,22,.85) 100%);
}
.article-hero .container{position:relative;z-index:2}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.55)}
.crumb a{color:rgba(255,255,255,.7);transition:color .18s var(--ease)}
.crumb a:hover{color:#fff}
.crumb span.sep{color:rgba(255,255,255,.35)}
.crumb .current{color:rgba(255,255,255,.45);max-width:460px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-hero__meta-top{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin:22px 0 18px}
.article-hero h1{
  color:#fff;font-size:clamp(2rem,4.4vw,3.25rem);font-weight:800;line-height:1.12;
  letter-spacing:-.02em;max-width:900px;margin-bottom:20px;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:20px;font-size:14px;color:rgba(255,255,255,.6)}
.article-meta__item{display:inline-flex;align-items:center;gap:7px}
.article-meta__item svg{opacity:.7}
.dot-sep{width:4px;height:4px;border-radius:50%;background:rgba(255,255,255,.3)}

/* ============ 正文布局 ============ */
.article-body{padding:72px 0 96px}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 292px;gap:64px;align-items:start}
.article-main{max-width:780px;min-width:0}
.article-panel{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:40px 44px;box-shadow:var(--shadow-1);
}
.prose{font-size:17px;line-height:1.9;color:var(--t2)}
.prose > *:first-child{margin-top:0}
.prose h2{
  position:relative;font-size:clamp(1.35rem,2.1vw,1.7rem);font-weight:700;color:var(--t1);
  margin:48px 0 16px;padding-left:14px;
}
.prose h2::before{content:"";position:absolute;left:0;top:.34em;width:4px;height:24px;border-radius:2px;background:var(--primary)}
.prose h3{font-size:1.125rem;font-weight:600;color:var(--t1);margin:32px 0 12px}
.prose p{margin:0 0 24px}
.prose ul{margin:0 0 24px;padding-left:20px;list-style:disc}
.prose ul li{margin-bottom:10px}
.prose ol{counter-reset:step;margin:0 0 24px;padding:0;list-style:none}
.prose ol > li{counter-increment:step;position:relative;padding-left:36px;margin-bottom:14px}
.prose ol > li::before{
  content:counter(step);position:absolute;left:0;top:5px;
  width:23px;height:23px;border-radius:50%;background:var(--primary);color:#fff;
  font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center;
}
.prose blockquote{
  margin:0 0 24px;padding:20px 22px;background:var(--surface-2);
  border-left:3px solid var(--primary);border-radius:0 var(--r-sm) var(--r-sm) 0;color:var(--t2);
}
.prose blockquote p:last-child{margin-bottom:0}
.prose img{border-radius:var(--r-md);margin:20px 0}
.prose figure{margin:24px 0}
.prose figcaption{font-size:13px;color:var(--t3);text-align:center;margin-top:8px}
.prose strong{color:var(--t1);font-weight:600}
.prose a{color:var(--primary-600);border-bottom:1px solid rgba(230,68,12,.32)}
.prose a:hover{color:var(--primary);border-color:var(--primary)}
.prose hr{border:0;border-top:1px solid var(--line);margin:40px 0}
.prose table{width:100%;border-collapse:collapse;margin:0 0 24px;font-size:15px;border:1px solid var(--line);border-radius:var(--r-sm);overflow:hidden}
.prose th,.prose td{border:1px solid var(--line);padding:12px 14px;text-align:left}
.prose thead th{background:var(--surface-2);color:var(--t1);font-weight:600}
.prose tbody tr:nth-child(even){background:#FBFAF8}

/* 空态 */
.empty-state{
  text-align:center;padding:64px 24px;border:1px dashed var(--line);
  border-radius:var(--r-lg);background:var(--surface-2);
}
.empty-state__icon{
  width:56px;height:56px;margin:0 auto 18px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:var(--surface);border:1px solid var(--line);color:var(--primary);
}
.empty-state h2{font-size:1.25rem;margin-bottom:10px}
.empty-state p{margin-bottom:22px;color:var(--t2)}

/* 侧栏 TOC */
.article-aside{position:sticky;top:104px;display:grid;gap:20px}
.toc{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);padding:22px;box-shadow:var(--shadow-1)}
.toc h2{font-size:13px;letter-spacing:.06em;color:var(--t3);font-weight:600;margin-bottom:14px}
.toc ul{display:grid;gap:2px}
.toc a{
  display:block;font-size:14px;padding:8px 10px;border-radius:var(--r-sm);
  color:var(--t2);border-left:2px solid transparent;transition:all .18s var(--ease);
}
.toc a:hover{background:var(--surface-2);color:var(--t1)}
.toc a.is-active{color:var(--primary-600);background:var(--primary-100);border-left-color:var(--primary);font-weight:600}
.aside-card{background:linear-gradient(180deg,var(--ink-900),#1A1F27);border-radius:var(--r-md);padding:24px;color:rgba(255,255,255,.7)}
.aside-card h3{color:#fff;font-size:16px;margin-bottom:10px}
.aside-card p{font-size:13.5px;line-height:1.75;margin-bottom:16px}
.aside-card .status{display:flex;align-items:center;gap:8px;font-size:12.5px;color:var(--accent);margin-bottom:14px}
.aside-card .status i{width:8px;height:8px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(15,191,168,.18);display:block}

/* ============ 继续阅读 ============ */
.continue{margin-top:48px}
.continue h2{font-size:1.375rem;font-weight:700;margin-bottom:18px}
.continue__grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.continue-card{
  display:flex;align-items:center;gap:14px;padding:20px;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--shadow-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.continue-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#FBD6C6}
.continue-card__arrow{
  width:40px;height:40px;flex:0 0 auto;border-radius:50%;display:flex;align-items:center;justify-content:center;
  background:var(--primary-100);color:var(--primary-600);
}
.continue-card span.label{display:block;font-size:12.5px;color:var(--t3);margin-bottom:2px}
.continue-card strong{display:block;font-size:15px;color:var(--t1);font-weight:600}

/* ============ 相关推荐 ============ */
.related{padding:88px 0}
.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:36px}
.sec-head__index{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.sec-head__num{writing-mode:vertical-rl;font-size:11px;letter-spacing:.18em;color:var(--t3);font-weight:600}
.sec-head__line{width:28px;height:1px;background:var(--primary)}
.sec-head h2{font-size:clamp(1.6rem,2.6vw,2.25rem);font-weight:700;letter-spacing:-.02em}
.sec-head p{margin-top:10px;max-width:620px;font-size:15.5px}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.post-card{
  display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-md);overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#FBD6C6}
.post-card__media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--surface-2)}
.post-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.post-card:hover .post-card__media img{transform:scale(1.03)}
.post-card__body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1}
.post-card h3{font-size:1.0625rem;font-weight:600;line-height:1.45}
.post-card p{font-size:14.5px;line-height:1.75;color:var(--t2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-card__foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--t3);padding-top:6px}

/* ============ CTA ============ */
.cta-panel{
  position:relative;overflow:hidden;border-radius:var(--r-lg);
  background:linear-gradient(140deg,var(--ink-900) 0%,#1A1F27 100%);
  padding:56px;display:grid;grid-template-columns:1fr auto;gap:32px;align-items:center;
}
.cta-panel::after{
  content:"";position:absolute;right:-80px;top:-80px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,90,31,.28) 0%,rgba(255,90,31,0) 70%);
}
.cta-panel__text{position:relative;z-index:1}
.cta-panel h2{color:#fff;font-size:clamp(1.5rem,2.4vw,2rem);font-weight:700;margin-bottom:12px}
.cta-panel p{color:rgba(255,255,255,.66);font-size:15.5px;max-width:560px}
.cta-panel__actions{position:relative;z-index:1;display:flex;gap:12px;flex-wrap:wrap}

/* ============ 页脚 ============ */
.site-footer{background:linear-gradient(180deg,var(--ink-900) 0%,#12161C 100%);color:rgba(255,255,255,.62);padding:80px 0 32px;margin-top:0}
.footer__grid{display:grid;grid-template-columns:1.35fr 1fr 1fr 1fr;gap:40px}
.footer__logo{display:flex;align-items:center;gap:10px;margin-bottom:18px}
.footer__logo b{color:#fff;font-size:15px;font-weight:700}
.footer__logo b em{font-style:normal;font-weight:500;font-size:12px;color:rgba(255,255,255,.45);margin-left:4px}
.footer__brand p{font-size:14px;line-height:1.8;max-width:330px;margin-bottom:10px}
.footer__col h4{color:#fff;font-size:14px;font-weight:600;margin-bottom:18px;letter-spacing:.02em}
.footer__col ul{display:grid;gap:11px}
.footer__col a{font-size:14px;color:rgba(255,255,255,.62);transition:color .18s var(--ease)}
.footer__col a:hover{color:var(--primary)}
.footer__qr{
  width:104px;height:104px;border-radius:var(--r-sm);border:1px dashed rgba(255,255,255,.24);
  display:flex;align-items:center;justify-content:center;font-size:13px;color:rgba(255,255,255,.5);
  background:rgba(255,255,255,.04);
}
.footer__bottom{
  margin-top:52px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:rgba(255,255,255,.42);
}

/* ============ 入场动效 ============ */
.reveal{opacity:0;transform:translateY(12px);animation:rise .48s var(--ease) forwards}
.reveal:nth-child(2){animation-delay:.06s}
.reveal:nth-child(3){animation-delay:.12s}
.reveal:nth-child(4){animation-delay:.18s}
@keyframes rise{to{opacity:1;transform:none}}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* ============ 响应式 ============ */
@media (max-width:1280px){
  .article-layout{gap:44px;grid-template-columns:minmax(0,1fr) 268px}
}
@media (max-width:1024px){
  .section{padding:72px 0}
  .dock__nav a{padding:8px 10px;font-size:13.5px}
  .article-layout{grid-template-columns:minmax(0,1fr)}
  .article-aside{display:none}
  .article-main{max-width:100%}
  .related{padding:64px 0}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta-panel{grid-template-columns:1fr;padding:40px}
  .footer__grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:768px){
  .section{padding:56px 0}
  .container{padding:0 16px}
  .site-head{padding-top:10px}
  .dock{width:calc(100% - 20px);height:58px;padding:0 14px;gap:10px}
  .dock.is-scrolled{height:54px}
  .dock__nav{
    display:none;position:absolute;left:0;right:0;top:calc(var(--dock-h) + 10px);
    flex-direction:column;align-items:stretch;gap:2px;margin:0;padding:14px;
    background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
    box-shadow:var(--shadow-3);
  }
  .dock--open .dock__nav{display:flex;animation:drawer .3s var(--ease) forwards}
  @keyframes drawer{from{opacity:0;transform:translateY(-12px)}to{opacity:1;transform:none}}
  .dock__nav a{font-size:17px;line-height:56px;padding:0 12px;border-radius:var(--r-sm);color:var(--t1)}
  .dock__nav a::after{display:none}
  .dock__nav a.is-active{background:var(--primary-100);color:var(--primary-600)}
  .dock__burger{display:flex}
  .dock__name{font-size:14px}
  .dock__name em{display:none}
  .dock__icon-btn{display:none}
  .article-hero{margin-top:-96px;padding:132px 0 56px}
  .article-hero::before{background:linear-gradient(180deg,rgba(14,17,22,.9) 0%,rgba(14,17,22,.72) 100%)}
  .article-meta{gap:12px;font-size:13px}
  .article-body{padding:48px 0 64px}
  .article-panel{padding:26px 20px;border-radius:var(--r-md)}
  .prose{font-size:16.5px;line-height:1.88}
  .prose table{display:block;overflow-x:auto;white-space:nowrap}
  .continue__grid{grid-template-columns:1fr}
  .card-grid{grid-template-columns:1fr}
  .cta-panel{padding:32px 24px;border-radius:var(--r-md)}
  .cta-panel__actions{width:100%}
  .cta-panel__actions .btn{width:100%}
  .footer__grid{grid-template-columns:1fr;gap:28px}
  .footer__bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
  .article-hero h1{font-size:1.75rem}
  .sec-head h2{font-size:1.5rem}
  .btn{height:46px;padding:0 20px}
}

/* roulang page: category2 */
:root{
  --bg:#F8F7F4;
  --surface:#FFFFFF;
  --surface-2:#F1EFEA;
  --line:#E8E5DF;
  --ink-900:#0E1116;
  --ink-800:#14181F;
  --ink-700:#232830;
  --primary:#FF5A1F;
  --primary-600:#E6440C;
  --primary-100:#FFE9DF;
  --accent:#0FBFA8;
  --accent-100:#DFF7F3;
  --violet:#6B4BFF;
  --success:#17A673;
  --warn:#E8A020;
  --danger:#E0392B;
  --t1:#14171C;
  --t2:#5B6470;
  --t3:#9AA2AC;
  --r-sm:10px;
  --r-md:16px;
  --r-lg:24px;
  --r-pill:999px;
  --shadow-1:0 1px 2px rgba(20,23,28,.06);
  --shadow-2:0 8px 24px -8px rgba(20,23,28,.12);
  --shadow-3:0 24px 60px -24px rgba(20,23,28,.28);
  --font: "PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  color:var(--t1);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-md)}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.2;font-weight:700}
p{margin:0}
input,select,textarea{font-family:inherit;font-size:15px}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

/* ============ Dock 导航 ============ */
.dock{
  position:sticky;
  top:16px;
  z-index:60;
  width:calc(100% - 32px);
  max-width:1080px;
  margin:16px auto 0;
  height:64px;
  padding:0 20px;
  display:flex;
  align-items:center;
  gap:18px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.72);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border:1px solid var(--line);
  box-shadow:var(--shadow-2);
  transition:height .26s cubic-bezier(.22,1,.36,1),background .26s ease,border-color .26s ease,box-shadow .26s ease,padding .26s ease,color .26s ease;
}
.dock.is-scrolled{height:56px;padding:0 16px;box-shadow:var(--shadow-3)}
.dock.is-dark{
  background:rgba(20,24,31,.62);
  border-color:rgba(255,255,255,.14);
  color:#fff;
}
.dock.is-dark .dock__name{color:#fff}
.dock.is-dark .dock__name em{color:rgba(255,255,255,.5)}
.dock.is-dark .dock__nav a{color:rgba(255,255,255,.68)}
.dock.is-dark .dock__nav a:hover{color:#fff}
.dock.is-dark .dock__nav a.is-active{color:#fff}
.dock.is-dark .dock__icon-btn{color:rgba(255,255,255,.78);border-color:rgba(255,255,255,.18)}
.dock.is-dark .dock__icon-btn:hover{background:rgba(255,255,255,.1)}
.dock.is-dark .dock__burger{color:#fff;border-color:rgba(255,255,255,.18)}
.dock__logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.dock__mark{
  width:34px;height:34px;flex-shrink:0;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:11px;
  background:linear-gradient(150deg,var(--primary) 0%,var(--primary-600) 100%);
  color:#fff;
  box-shadow:0 6px 16px -8px rgba(255,90,31,.7);
}
.dock__mark svg{width:18px;height:18px}
.dock__name{
  font-size:15.5px;font-weight:700;letter-spacing:-.01em;white-space:nowrap;
  display:flex;align-items:baseline;gap:5px;
}
.dock__name em{font-style:normal;font-size:12px;font-weight:500;color:var(--t3);letter-spacing:.04em}
.dock__nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.dock__nav a{
  position:relative;display:block;
  padding:8px 12px;font-size:14.5px;font-weight:500;color:var(--t2);
  transition:color .18s ease;
  white-space:nowrap;
}
.dock__nav a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:var(--primary);border-radius:2px;
  transform:scaleX(0);transform-origin:left center;
  transition:transform .18s ease;
}
.dock__nav a:hover{color:var(--t1)}
.dock__nav a:hover::after{transform:scaleX(1)}
.dock__nav a.is-active{color:var(--primary)}
.dock__nav a.is-active::after{transform:scaleX(1)}
.dock__actions{display:flex;align-items:center;gap:8px;flex-shrink:0}
.dock__icon-btn{
  width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:50%;border:1px solid var(--line);background:transparent;color:var(--t2);
  cursor:pointer;transition:background .18s ease,color .18s ease,border-color .18s ease;
}
.dock__icon-btn:hover{background:var(--surface-2);color:var(--t1)}
.dock__burger{
  display:none;width:40px;height:40px;align-items:center;justify-content:center;
  border-radius:50%;border:1px solid var(--line);background:transparent;color:var(--t1);cursor:pointer;
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border:1px solid transparent;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;letter-spacing:.01em;cursor:pointer;
  transition:transform .2s cubic-bezier(.22,1,.36,1),background .2s ease,box-shadow .2s ease,border-color .2s ease,color .2s ease;
  white-space:nowrap;
}
.btn--primary{background:var(--primary);color:#fff;box-shadow:var(--shadow-1)}
.btn--primary:hover{background:var(--primary-600);transform:translateY(-2px);box-shadow:var(--shadow-2)}
.btn--primary:active{transform:translateY(0) scale(.985)}
.btn--ghost{background:transparent;border-color:var(--line);color:var(--t1)}
.btn--ghost:hover{background:var(--primary-100);border-color:var(--primary);color:var(--primary-600);transform:translateY(-2px)}
.btn--ghost:active{transform:translateY(0) scale(.985)}
.btn--sm{height:38px;padding:0 18px;font-size:14px}
.btn--block{width:100%}
.btn--light{background:#fff;color:var(--ink-900)}
.btn--light:hover{background:#fff;transform:translateY(-2px);box-shadow:var(--shadow-2)}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-weight:600;font-size:14.5px;
}
.link-arrow svg{transition:transform .2s ease}
.link-arrow:hover svg{transform:translateX(4px)}

/* ============ Hero ============ */
.hero{
  position:relative;
  margin-top:-80px;
  padding:148px 0 96px;
  background:linear-gradient(180deg,#0E1116 0%,#1A1F27 100%);
  color:#fff;
  overflow:hidden;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-1.webp");
  background-size:cover;background-position:center;
  opacity:.55;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(14,17,22,.92) 0%,rgba(14,17,22,.55) 55%,rgba(14,17,22,.15) 100%);
}
.hero .container{position:relative;z-index:2}
.hero__grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--t3);margin-bottom:20px}
.crumb a{color:rgba(255,255,255,.6)}
.crumb a:hover{color:#fff}
.crumb span.sep{color:rgba(255,255,255,.3)}
.crumb span.current{color:rgba(255,255,255,.45)}
.hero h1{
  font-size:clamp(2.1rem,4.2vw,3.3rem);
  font-weight:800;line-height:1.1;letter-spacing:-.02em;
}
.hero h1 .hl{color:var(--primary)}
.hero__lead{
  margin-top:20px;font-size:17px;color:rgba(255,255,255,.72);max-width:560px;
}
.hero__points{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.chip{
  display:inline-flex;align-items:center;gap:8px;
  height:30px;padding:0 14px;border-radius:var(--r-pill);
  font-size:13px;font-weight:500;
  background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.14);color:rgba(255,255,255,.82);
}
.chip__dot{width:6px;height:6px;border-radius:50%;background:var(--accent)}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.hero__figure{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid rgba(255,255,255,.16);
  box-shadow:var(--shadow-3);
  background:rgba(255,255,255,.05);
}
.hero__figure img{width:100%;height:340px;object-fit:cover;border-radius:var(--r-lg)}
.hero__figure-card{
  position:absolute;left:18px;right:18px;bottom:18px;
  padding:16px 18px;border-radius:var(--r-md);
  background:rgba(14,17,22,.78);
  border:1px solid rgba(255,255,255,.14);
  backdrop-filter:blur(10px);
  display:flex;align-items:center;gap:14px;
}
.hero__figure-card strong{display:block;font-size:14.5px;font-weight:600}
.hero__figure-card small{font-size:12.5px;color:rgba(255,255,255,.55)}
.status-dot{
  width:10px;height:10px;border-radius:50%;background:var(--accent);flex-shrink:0;
  box-shadow:0 0 0 4px rgba(15,191,168,.18);
}

/* ============ 通用板块 ============ */
.sec{padding:104px 0}
.sec--alt{background:var(--surface-2)}
.sec--warm{background:var(--bg)}
.sec-head{display:flex;gap:18px;align-items:flex-start;margin-bottom:48px}
.sec-num{display:flex;flex-direction:column;align-items:center;gap:10px;padding-top:4px}
.sec-num span{
  writing-mode:vertical-rl;
  font-size:11px;font-weight:700;letter-spacing:.22em;color:var(--t3);
  font-variant-numeric:tabular-nums;
}
.sec-num i{width:1px;height:34px;background:var(--line);display:block}
.sec-head h2{font-size:clamp(1.6rem,2.6vw,2.25rem);font-weight:700;letter-spacing:-.015em}
.sec-head .sec-lead{margin-top:14px;color:var(--t2);max-width:680px;font-size:16px}
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:6px;
  font-size:12px;font-weight:600;letter-spacing:.02em;
}
.badge--primary{background:var(--primary-100);color:var(--primary-600)}
.badge--accent{background:var(--accent-100);color:#0A8C7C}
.badge--muted{background:var(--surface-2);color:var(--t2)}
.badge--dark{background:rgba(255,255,255,.12);color:rgba(255,255,255,.82)}

/* ============ 图文交替 ============ */
.rows{display:flex;flex-direction:column;gap:64px}
.row{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.row__media{
  border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--shadow-2);background:var(--surface);
}
.row__media img{width:100%;height:300px;object-fit:cover;border-radius:var(--r-lg);transition:transform .5s cubic-bezier(.22,1,.36,1)}
.row__media:hover img{transform:scale(1.03)}
.row__body h3{font-size:1.35rem;font-weight:600;margin-bottom:14px;letter-spacing:-.01em}
.row__body p{color:var(--t2);font-size:16px}
.row__list{margin-top:20px;display:flex;flex-direction:column;gap:10px}
.row__list li{
  position:relative;padding-left:20px;font-size:14.5px;color:var(--t2);
}
.row__list li::before{
  content:"";position:absolute;left:2px;top:11px;width:6px;height:6px;border-radius:50%;
  background:var(--primary);
}
.row--reverse .row__media{order:2}
.row--reverse .row__body{order:1}

/* ============ 安全清单 ============ */
.check-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.check-item{
  display:flex;gap:16px;padding:24px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--shadow-1);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.check-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#F4C9B4}
.check-ico{
  width:30px;height:30px;flex-shrink:0;border-radius:50%;
  background:var(--accent);color:#fff;display:flex;align-items:center;justify-content:center;
}
.check-ico svg{width:15px;height:15px}
.check-item h4{font-size:15.5px;font-weight:600;margin-bottom:6px}
.check-item p{font-size:14px;color:var(--t2);line-height:1.75}

/* ============ 误区警示 ============ */
.warn-list{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.warn-card{
  background:#FFFBF4;border:1px solid #F3E4C7;border-left:3px solid var(--warn);
  border-radius:var(--r-md);padding:24px;
  transition:transform .22s ease,box-shadow .22s ease;
}
.warn-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.warn-card h4{font-size:15.5px;font-weight:600;margin-bottom:10px;display:flex;align-items:center;gap:10px}
.warn-card h4 .warn-mark{
  width:22px;height:22px;border-radius:6px;background:#FBEBCF;color:#A9701A;
  display:inline-flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;
}
.warn-card p{font-size:14px;color:var(--t2);line-height:1.78}

/* ============ 表单 ============ */
.form-wrap{
  display:grid;grid-template-columns:.85fr 1.15fr;gap:48px;align-items:start;
}
.form-aside h3{font-size:1.3rem;font-weight:600;margin-bottom:14px}
.form-aside p{color:var(--t2);font-size:15px}
.aside-list{margin-top:24px;display:flex;flex-direction:column;gap:14px}
.aside-list li{display:flex;gap:12px;font-size:14.5px;color:var(--t2)}
.aside-list b{
  width:24px;height:24px;flex-shrink:0;border-radius:8px;background:var(--primary-100);
  color:var(--primary-600);font-size:12px;display:flex;align-items:center;justify-content:center;font-weight:700;
}
.form-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:32px;box-shadow:var(--shadow-2);
}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.field{display:flex;flex-direction:column;gap:8px}
.field--full{grid-column:1 / -1}
.field label{font-size:13.5px;font-weight:600;color:var(--t2)}
.field .req{color:var(--danger);margin-left:2px}
.input,select,textarea{
  width:100%;height:48px;padding:0 14px;
  border:1px solid var(--line);border-radius:var(--r-sm);
  background:#fff;color:var(--t1);
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
textarea{height:auto;min-height:120px;padding:12px 14px;line-height:1.7;resize:vertical}
.input:hover,select:hover,textarea:hover{border-color:#D8D3CA}
.input:focus,select:focus,textarea:focus{
  outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(255,90,31,.16);
}
.input::placeholder,textarea::placeholder{color:var(--t3)}
.err-msg{display:none;font-size:12px;color:var(--danger)}
.field.is-error .input,.field.is-error textarea,.field.is-error select{border-color:var(--danger)}
.field.is-error .err-msg{display:block}
.form-foot{margin-top:26px;display:flex;flex-direction:column;gap:14px}
.form-note{font-size:13px;color:var(--t3);line-height:1.7}
.form-success{
  display:none;text-align:center;padding:36px 24px;
  border:1px dashed var(--accent);border-radius:var(--r-md);background:var(--accent-100);
}
.form-success.is-show{display:block}
.form-success .ok-ico{
  width:48px;height:48px;margin:0 auto 16px;border-radius:50%;
  background:var(--accent);color:#fff;display:flex;align-items:center;justify-content:center;
}
.form-success h4{font-size:17px;font-weight:600;margin-bottom:8px;color:#0A8C7C}
.form-success p{font-size:14px;color:#0A8C7C;opacity:.85}

/* ============ 移动端抽屉 ============ */
.drawer{
  position:fixed;inset:0;z-index:90;display:none;
  background:rgba(14,17,22,.42);
  backdrop-filter:blur(2px);
}
.drawer.is-open{display:block}
.drawer__panel{
  background:var(--surface);
  border-radius:0 0 var(--r-lg) var(--r-lg);
  padding:22px 24px 28px;
  transform:translateY(-100%);
  transition:transform .34s cubic-bezier(.22,1,.36,1);
  box-shadow:var(--shadow-3);
}
.drawer.is-open .drawer__panel{transform:translateY(0)}
.drawer__top{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.drawer__close{
  width:38px;height:38px;border-radius:50%;border:1px solid var(--line);
  background:transparent;cursor:pointer;color:var(--t2);
  display:flex;align-items:center;justify-content:center;
}
.drawer__nav a{
  display:block;font-size:18px;line-height:56px;font-weight:500;color:var(--t1);
  border-bottom:1px solid var(--line);
}
.drawer__nav a.is-active{color:var(--primary)}
.drawer__cta{margin-top:20px;display:flex;flex-direction:column;gap:12px}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--ink-900);
  color:rgba(255,255,255,.72);
  padding:76px 0 30px;
  border-top:1px solid rgba(255,255,255,.08);
}
.footer__grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:48px;
  padding-bottom:48px;border-bottom:1px solid rgba(255,255,255,.1);
}
.footer__logo{display:flex;align-items:center;gap:10px;margin-bottom:18px}
.footer__logo b{font-size:15.5px;font-weight:700;color:#fff;display:flex;align-items:baseline;gap:5px}
.footer__logo b em{font-style:normal;font-size:12px;font-weight:500;color:rgba(255,255,255,.45)}
.footer__brand p{font-size:14px;line-height:1.85;max-width:340px}
.footer__col h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:18px}
.footer__col ul{display:flex;flex-direction:column;gap:12px}
.footer__col a{font-size:14px;color:rgba(255,255,255,.62);transition:color .18s ease}
.footer__col a:hover{color:var(--primary)}
.footer__qr{
  width:104px;height:104px;border-radius:var(--r-md);
  border:1px dashed rgba(255,255,255,.22);
  display:flex;align-items:center;justify-content:center;
  font-size:12.5px;color:rgba(255,255,255,.45);
}
.footer__bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding-top:26px;font-size:13px;color:rgba(255,255,255,.45);
}

/* ============ 入场动效 ============ */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .46s cubic-bezier(.22,1,.36,1),transform .46s cubic-bezier(.22,1,.36,1)}
.reveal.is-in{opacity:1;transform:none}

/* ============ 断点 ============ */
@media (max-width:1024px){
  .hero__grid{grid-template-columns:1fr;gap:40px}
  .hero__figure img{height:280px}
  .sec{padding:76px 0}
  .row{gap:32px}
  .row__media img{height:250px}
  .check-grid{grid-template-columns:1fr}
  .warn-list{grid-template-columns:1fr}
  .form-wrap{grid-template-columns:1fr;gap:32px}
  .footer__grid{grid-template-columns:1fr 1fr;gap:36px}
}
@media (max-width:768px){
  .dock__nav{display:none}
  .dock__burger{display:inline-flex}
  .dock__actions .btn--sm{display:none}
  .dock{height:58px;padding:0 14px;gap:12px}
  .dock__name em{display:none}
  .hero{margin-top:-74px;padding:126px 0 72px}
  .sec{padding:56px 0}
  .sec-head{flex-direction:column;gap:12px;margin-bottom:32px}
  .sec-num{flex-direction:row;gap:10px}
  .sec-num span{writing-mode:horizontal-tb}
  .sec-num i{width:34px;height:1px}
  .row{grid-template-columns:1fr;gap:20px}
  .row--reverse .row__media{order:1}
  .row--reverse .row__body{order:2}
  .form-grid{grid-template-columns:1fr}
  .form-card{padding:24px}
  .hero__actions .btn{width:100%}
  .footer__grid{grid-template-columns:1fr;gap:32px}
  .footer__bottom{flex-direction:column;gap:8px}
}
@media (max-width:520px){
  .container{padding:0 18px}
  .hero__figure img{height:220px}
  .check-item{padding:20px}
  .row__media img{height:210px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* roulang page: category3 */
/* ============ 设计变量 ============ */
:root{
  --bg:#F8F7F4;
  --surface:#FFFFFF;
  --surface-2:#F1EFEA;
  --line:#E8E5DF;
  --ink-900:#0E1116;
  --ink-800:#14181F;
  --ink-700:#232830;
  --primary:#FF5A1F;
  --primary-600:#E6440C;
  --primary-100:#FFE9DF;
  --accent:#0FBFA8;
  --accent-100:#DFF7F3;
  --violet:#6B4BFF;
  --success:#17A673;
  --warn:#E8A020;
  --danger:#E0392B;
  --t1:#14171C;
  --t2:#5B6470;
  --t3:#9AA2AC;
  --r-sm:10px;
  --r-md:16px;
  --r-lg:24px;
  --r-pill:999px;
  --shadow-1:0 1px 2px rgba(20,23,28,.06);
  --shadow-2:0 8px 24px -8px rgba(20,23,28,.12);
  --shadow-3:0 24px 60px -24px rgba(20,23,28,.28);
  --ease:cubic-bezier(.22,1,.36,1);
  --container:1240px;
}
/* ============ 基础重置 ============ */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16.5px;
  line-height:1.85;
  letter-spacing:.01em;
  color:var(--t2);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  font-variant-numeric:tabular-nums;
}
h1,h2,h3,h4{color:var(--t1);margin:0;line-height:1.2;font-weight:700;letter-spacing:-.01em}
h1{font-size:clamp(2.25rem,5.2vw,4rem);line-height:1.08;letter-spacing:-.02em;font-weight:800}
h2{font-size:clamp(1.75rem,3vw,2.5rem);line-height:1.15}
h3{font-size:1.25rem;line-height:1.35;font-weight:600}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease)}
img{max-width:100%;display:block}
button,input,select,textarea{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}
::selection{background:var(--primary-100);color:var(--primary-600)}
/* ============ 通用布局 ============ */
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section--surface{background:var(--surface-2)}
.section--tight{padding:72px 0}
.sec-head{display:flex;gap:20px;align-items:flex-start;margin-bottom:40px;max-width:840px}
.sec-tag{
  flex:none;
  writing-mode:vertical-rl;
  font-size:11px;
  letter-spacing:.22em;
  color:var(--t3);
  padding-top:4px;
  border-right:1px solid var(--line);
  padding-right:10px;
  height:64px;
}
.sec-desc{margin-top:14px;color:var(--t2);font-size:16px;max-width:680px}
/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;
  border-radius:var(--r-pill);
  font-size:15px;font-weight:500;
  border:1px solid transparent;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
  white-space:nowrap;
}
.btn--primary{background:var(--primary);color:#fff;box-shadow:var(--shadow-1)}
.btn--primary:hover{background:var(--primary-600);transform:translateY(-2px);box-shadow:var(--shadow-2)}
.btn--primary:active{transform:translateY(0) scale(.985)}
.btn--ghost{background:transparent;border-color:var(--line);color:var(--t1)}
.btn--ghost:hover{background:var(--primary-100);border-color:var(--primary);color:var(--primary-600);transform:translateY(-2px)}
.btn--ghost:active{transform:translateY(0) scale(.985)}
.btn--light{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.22);color:#fff}
.btn--light:hover{background:rgba(255,255,255,.18);transform:translateY(-2px)}
.btn--sm{height:40px;padding:0 20px;font-size:14px}
.btn[disabled]{opacity:.6;cursor:not-allowed;transform:none!important}
.btn--block{width:100%}
/* ============ 徽章 · 标签 ============ */
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 9px;
  border-radius:6px;font-size:12px;font-weight:500;line-height:1;
}
.badge--primary{background:var(--primary-100);color:var(--primary-600)}
.badge--accent{background:var(--accent-100);color:#0A8E7E}
.badge--muted{background:var(--surface-2);color:var(--t2)}
.badge--warn{background:#FCF0DA;color:#9A6A0B}
/* ============ 文字链接 ============ */
.link-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--primary-600);font-size:14.5px;font-weight:500}
.link-arrow span{transition:transform .2s var(--ease)}
.link-arrow:hover{color:var(--primary)}
.link-arrow:hover span{transform:translateX(4px)}
.link-underline{border-bottom:1px solid currentColor;padding-bottom:2px}
.link-underline:hover{color:var(--primary)}
/* ============ Dock 导航 ============ */
.site-header{position:relative;z-index:70;padding:16px 24px}
.dock{
  position:sticky;top:16px;
  max-width:1080px;margin:0 auto;height:64px;padding:0 20px;
  display:flex;align-items:center;gap:14px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.72);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border:1px solid var(--line);
  box-shadow:var(--shadow-2);
  transition:height .26s var(--ease),box-shadow .26s var(--ease),background .26s var(--ease),border-color .26s var(--ease);
}
.dock.is-scrolled{height:56px;box-shadow:var(--shadow-3)}
.dock__logo{display:flex;align-items:center;gap:10px;flex:none}
.dock__mark{
  width:30px;height:30px;border-radius:9px;flex:none;
  display:flex;align-items:center;justify-content:center;
  background:var(--ink-900);color:#fff;
  transition:background .26s var(--ease);
}
.dock__mark svg{width:18px;height:18px}
.dock__name{font-size:15px;font-weight:700;color:var(--t1);white-space:nowrap;letter-spacing:-.01em}
.dock__name em{font-style:normal;font-weight:400;font-size:13px;color:var(--t3);margin-left:4px}
.dock__nav{display:flex;align-items:center;gap:4px;margin:0 auto}
.dock__nav a{
  position:relative;display:inline-block;padding:8px 12px;
  font-size:14.5px;color:var(--t2);border-radius:8px;
}
.dock__nav a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:var(--primary);border-radius:2px;
  transform:scaleX(0);transform-origin:left;
  transition:transform .18s var(--ease);
}
.dock__nav a:hover{color:var(--primary-600)}
.dock__nav a:hover::after{transform:scaleX(1)}
.dock__nav a.is-active{color:var(--primary);font-weight:500}
.dock__nav a.is-active::after{transform:scaleX(1)}
.dock__actions{display:flex;align-items:center;gap:8px;flex:none}
.dock__icon-btn{
  width:40px;height:40px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  color:var(--t2);transition:background .2s var(--ease),color .2s var(--ease);
}
.dock__icon-btn:hover{background:var(--surface-2);color:var(--t1)}
.dock__burger{display:none;width:40px;height:40px;border-radius:50%;align-items:center;justify-content:center;color:var(--t1)}
.dock__burger:hover{background:var(--surface-2)}
.dock.is-dark{background:rgba(20,24,31,.62);border-color:rgba(255,255,255,.14);color:#fff}
.dock.is-dark .dock__mark{background:var(--primary)}
.dock.is-dark .dock__name{color:#fff}
.dock.is-dark .dock__name em{color:rgba(255,255,255,.55)}
.dock.is-dark .dock__nav a{color:rgba(255,255,255,.74)}
.dock.is-dark .dock__nav a:hover{color:#fff}
.dock.is-dark .dock__nav a.is-active{color:#fff}
.dock.is-dark .dock__icon-btn{color:#fff}
.dock.is-dark .dock__icon-btn:hover{background:rgba(255,255,255,.12)}
.dock.is-dark .dock__burger{color:#fff}
.dock__drawer{
  position:absolute;left:24px;right:24px;top:calc(100% + 12px);
  background:#fff;border:1px solid var(--line);border-radius:0 0 var(--r-lg) var(--r-lg);
  box-shadow:var(--shadow-3);padding:10px 18px 20px;
  display:none;
}
.dock__drawer.is-open{display:block;animation:fadeDown .3s var(--ease) both}
.dock__drawer a{display:block;font-size:18px;line-height:56px;color:var(--t1);border-bottom:1px solid var(--line)}
.dock__drawer a:last-of-type{border-bottom:0}
.dock__drawer a.is-active{color:var(--primary);font-weight:600}
.dock__drawer .btn{margin-top:14px}
@keyframes fadeDown{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:none}}
/* ============ Hero ============ */
.hero{
  position:relative;
  margin-top:-96px;
  padding:176px 0 104px;
  color:rgba(255,255,255,.74);
  background-image:
    linear-gradient(90deg,rgba(14,17,22,.92) 0%,rgba(14,17,22,.55) 55%,rgba(14,17,22,.15) 100%),
    url(/assets/images/backpic/back-1.webp);
  background-size:cover;
  background-position:center;
  overflow:hidden;
}
.hero__inner{position:relative;max-width:820px;margin:0 auto;text-align:center}
.crumb{
  display:flex;flex-wrap:wrap;gap:8px;justify-content:center;
  font-size:13.5px;color:rgba(255,255,255,.5);margin-bottom:26px;
}
.crumb a{color:rgba(255,255,255,.72)}
.crumb a:hover{color:#fff}
.crumb .sep{color:rgba(255,255,255,.3)}
.hero h1{color:#fff}
.hero__sub{margin-top:20px;font-size:17px;color:rgba(255,255,255,.78);max-width:620px;margin-left:auto;margin-right:auto}
.hero__hint{margin-top:34px;font-size:13.5px;color:rgba(255,255,255,.6)}
.search{
  width:100%;max-width:640px;margin:14px auto 0;
  display:flex;align-items:center;gap:10px;
  height:60px;padding:0 8px 0 20px;
  background:rgba(255,255,255,.95);
  border:1px solid rgba(255,255,255,.55);
  border-radius:var(--r-pill);
  box-shadow:var(--shadow-3);
  transition:box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.search:focus-within{border-color:var(--primary);box-shadow:0 0 0 4px rgba(255,90,31,.22),var(--shadow-3)}
.search__icon{color:var(--t3);flex:none;display:flex}
.search input{
  flex:1;height:100%;border:0;background:transparent;outline:none;
  font-size:15.5px;color:var(--t1);min-width:0;
}
.search input::placeholder{color:var(--t3)}
.hot-tags{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:22px}
.hot-tags button{
  height:32px;padding:0 15px;border-radius:var(--r-pill);
  font-size:13.5px;color:rgba(255,255,255,.82);
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);
  transition:background .2s var(--ease),color .2s var(--ease),transform .2s var(--ease);
}
.hot-tags button:hover{background:rgba(255,255,255,.18);color:#fff;transform:translateY(-2px)}
.hero__fade{position:absolute;left:0;right:0;bottom:0;height:120px;background:linear-gradient(180deg,rgba(14,17,22,0),rgba(14,17,22,.35));pointer-events:none}
/* ============ 阶段条 ============ */
.stage-bar{
  display:grid;grid-template-columns:repeat(3,1fr);
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--shadow-1);
}
.stage-card{padding:34px 30px;position:relative;transition:background .22s var(--ease)}
.stage-card+.stage-card{border-left:1px solid var(--line)}
.stage-card:hover{background:var(--surface-2)}
.stage-card__top{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.stage-dot{width:8px;height:8px;border-radius:50%;background:var(--accent);flex:none;box-shadow:0 0 0 4px var(--accent-100)}
.stage-card:nth-child(2) .stage-dot{background:var(--warn);box-shadow:0 0 0 4px #FCF0DA}
.stage-card:nth-child(3) .stage-dot{background:var(--primary);box-shadow:0 0 0 4px var(--primary-100)}
.stage-num{font-size:12px;letter-spacing:.16em;color:var(--t3);font-variant-numeric:tabular-nums}
.stage-card h3{margin-bottom:10px}
.stage-card p{font-size:15px}
.tick-list{margin-top:16px;display:flex;flex-direction:column;gap:10px}
.tick-list li{position:relative;padding-left:24px;font-size:14.5px;color:var(--t2)}
.tick-list li::before{
  content:"";position:absolute;left:0;top:9px;width:14px;height:14px;border-radius:50%;
  background:var(--accent-100);
}
.tick-list li::after{
  content:"";position:absolute;left:4px;top:13px;width:6px;height:3px;
  border-left:1.6px solid var(--success);border-bottom:1.6px solid var(--success);
  transform:rotate(-45deg);
}
.stage-card .link-arrow{margin-top:20px}
/* ============ FAQ ============ */
.faq-group+.faq-group{margin-top:48px}
.faq-group__title{display:flex;align-items:center;gap:12px;margin-bottom:18px;font-size:1.15rem}
.faq-group__title .idx{
  font-size:12px;letter-spacing:.14em;color:var(--primary-600);
  background:var(--primary-100);border-radius:6px;padding:3px 8px;font-weight:600;
}
.faq-group__title .cnt{font-size:13px;color:var(--t3);font-weight:400;margin-left:auto}
.faq-list{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;box-shadow:var(--shadow-1)}
.faq-item+.faq-item{border-top:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  min-height:64px;padding:16px 24px;text-align:left;
  font-size:16px;font-weight:500;color:var(--t1);
  transition:background .2s var(--ease),color .2s var(--ease);
}
.faq-q:hover{background:var(--surface-2)}
.faq-q[aria-expanded="true"]{color:var(--primary-600)}
.faq-icon{position:relative;width:18px;height:18px;flex:none}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:currentColor;border-radius:2px;transition:transform .3s var(--ease),opacity .3s var(--ease)}
.faq-icon::before{left:0;top:8px;width:18px;height:2px}
.faq-icon::after{left:8px;top:0;width:2px;height:18px}
.faq-q[aria-expanded="true"] .faq-icon::after{transform:rotate(45deg) scaleY(0);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .38s var(--ease)}
.faq-a__inner{padding:0 24px 24px;font-size:15px;line-height:1.8;color:var(--t2);max-width:760px}
.faq-a__inner p+p{margin-top:12px}
.faq-a__inner strong{color:var(--t1);font-weight:600}
.search-empty{
  text-align:center;padding:48px 24px;color:var(--t2);
  border:1px dashed var(--line);border-radius:var(--r-md);background:var(--surface);
}
.search-empty svg{color:var(--t3);margin:0 auto 12px}
.search-empty a{color:var(--primary-600);font-weight:500}
/* ============ 更新记录 ============ */
.update-list{display:flex;flex-direction:column;border-top:1px solid var(--line)}
.update-list li{
  display:grid;grid-template-columns:150px 1fr;gap:24px;
  padding:26px 0;border-bottom:1px solid var(--line);
  transition:background .22s var(--ease);
}
.update-list li:hover{background:var(--surface-2)}
.update-date{font-size:13.5px;color:var(--t3);font-variant-numeric:tabular-nums;padding-top:4px}
.update-list h3{font-size:1.05rem;margin-bottom:8px}
.update-list p{font-size:15px;max-width:760px}
.update-list .badge{margin-left:10px;vertical-align:2px}
/* ============ 联系渠道 ============ */
.contact-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.channel-list{display:flex;flex-direction:column;gap:16px}
.channel{
  display:flex;align-items:center;gap:18px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:20px 24px;box-shadow:var(--shadow-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.channel:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#F3CDBC}
.channel__icon{
  width:44px;height:44px;border-radius:12px;flex:none;
  display:flex;align-items:center;justify-content:center;
  background:var(--primary-100);color:var(--primary-600);
}
.channel:nth-child(2) .channel__icon{background:var(--accent-100);color:#0A8E7E}
.channel:nth-child(3) .channel__icon{background:var(--surface-2);color:var(--t2)}
.channel__body{flex:1;min-width:0}
.channel__body h3{font-size:1.05rem;margin-bottom:4px}
.channel__body p{font-size:14.5px}
.contact-figure{margin:0}
.contact-figure img{
  width:100%;aspect-ratio:16/9;object-fit:cover;
  border-radius:var(--r-md);border:1px solid var(--line);
  box-shadow:var(--shadow-2);
  transition:transform .3s var(--ease);
}
.contact-figure img:hover{transform:scale(1.03)}
.contact-figure figcaption{margin-top:14px;font-size:13px;color:var(--t3)}
/* ============ 工单表单 ============ */
.form-card{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-lg);box-shadow:var(--shadow-2);
  padding:48px;max-width:920px;margin:0 auto;
}
.form-card__head{margin-bottom:32px}
.form-card__head h2{margin-bottom:12px}
.form-card__head p{font-size:15.5px}
.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px 24px}
.field{display:flex;flex-direction:column;gap:8px}
.field--full{grid-column:1/-1}
.field label,.field__label{font-size:14px;color:var(--t1);font-weight:500}
.field input[type="text"],
.field input[type="tel"],
.field input[type="email"],
.field select,
.field textarea{
  width:100%;min-height:48px;padding:12px 14px;
  border:1px solid var(--line);border-radius:var(--r-sm);
  background:var(--surface);color:var(--t1);font-size:15px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
}
.field textarea{min-height:120px;resize:vertical;line-height:1.7}
.field input::placeholder,.field textarea::placeholder{color:var(--t3)}
.field input:hover,.field select:hover,.field textarea:hover{border-color:#D6D1C7}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(255,90,31,.16);
}
.field.is-error input,.field.is-error select,.field.is-error textarea{border-color:var(--danger)}
.field__err{display:none;font-size:12px;color:var(--danger)}
.field.is-error .field__err{display:block}
.upload{
  display:flex;align-items:center;gap:14px;
  border:1px dashed var(--line);border-radius:var(--r-md);
  padding:18px 20px;background:var(--surface-2);
}
.upload__icon{width:38px;height:38px;border-radius:10px;background:var(--surface);border:1px solid var(--line);display:flex;align-items:center;justify-content:center;color:var(--t3);flex:none}
.upload__text{flex:1;font-size:14px;color:var(--t2)}
.upload__text small{display:block;color:var(--t3);font-size:12.5px;margin-top:2px}
.check{flex-direction:row;align-items:flex-start;gap:10px}
.check input{width:18px;height:18px;margin-top:3px;accent-color:var(--primary);flex:none}
.check label{font-size:14px;color:var(--t2);font-weight:400;line-height:1.7}
.form-actions{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.form-hint{font-size:13px;color:var(--t3)}
.success{
  display:flex;flex-direction:column;align-items:center;text-align:center;
  padding:56px 24px;gap:14px;
}
.success__icon{
  width:64px;height:64px;border-radius:50%;
  background:var(--accent-100);color:var(--success);
  display:flex;align-items:center;justify-content:center;
}
.success h3{font-size:1.35rem}
.success p{max-width:460px}
.success__actions{display:flex;gap:14px;flex-wrap:wrap;justify-content:center;margin-top:8px}
/* ============ 页脚 ============ */
.site-footer{
  background:linear-gradient(180deg,var(--ink-900) 0%,#1A1F27 100%);
  color:rgba(255,255,255,.6);
  padding:76px 0 28px;font-size:14.5px;
}
.footer__grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}
.footer__logo{display:flex;align-items:center;gap:10px;color:#fff;font-size:16px;margin-bottom:18px}
.footer__logo .dock__mark{background:var(--primary)}
.footer__logo b{font-weight:700}
.footer__logo b em{font-style:normal;font-weight:400;font-size:13px;color:rgba(255,255,255,.5);margin-left:4px}
.footer__brand p{margin-bottom:10px;line-height:1.8;max-width:340px}
.footer__col h4{color:#fff;font-size:14px;font-weight:600;margin-bottom:18px;letter-spacing:.02em}
.footer__col ul{display:flex;flex-direction:column;gap:11px}
.footer__col a{color:rgba(255,255,255,.6)}
.footer__col a:hover{color:var(--primary)}
.footer__qr{
  width:96px;height:96px;border-radius:14px;
  border:1px dashed rgba(255,255,255,.25);
  display:flex;align-items:center;justify-content:center;
  font-size:12.5px;color:rgba(255,255,255,.45);
}
.footer__bottom{
  margin-top:52px;padding-top:22px;
  border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.4);
}
/* ============ 动效 ============ */
@keyframes fadeUp{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}
.hero__inner>*{animation:fadeUp .5s var(--ease) both}
.hero__inner>*:nth-child(1){animation-delay:.04s}
.hero__inner>*:nth-child(2){animation-delay:.1s}
.hero__inner>*:nth-child(3){animation-delay:.16s}
.hero__inner>*:nth-child(4){animation-delay:.22s}
.hero__inner>*:nth-child(5){animation-delay:.28s}
.hero__inner>*:nth-child(6){animation-delay:.34s}
/* ============ 响应式 ============ */
@media (max-width:1024px){
  .section{padding:72px 0}
  .section--tight{padding:60px 0}
  .stage-bar{grid-template-columns:1fr}
  .stage-card+.stage-card{border-left:0;border-top:1px solid var(--line)}
  .contact-grid{grid-template-columns:1fr;gap:40px}
  .footer__grid{grid-template-columns:1fr 1fr;gap:36px}
}
@media (max-width:768px){
  body{font-size:16px}
  .container{padding:0 18px}
  .site-header{padding:12px 16px}
  .dock{top:12px;height:60px;padding:0 14px;gap:10px}
  .dock.is-scrolled{height:54px}
  .dock__nav{display:none}
  .dock__burger{display:flex}
  .dock__name em{display:none}
  .dock__actions .btn{display:none}
  .dock__drawer{left:16px;right:16px}
  .hero{margin-top:-84px;padding:140px 0 76px}
  .hero__sub{font-size:16px}
  .search{height:56px;padding:0 6px 0 16px}
  .search .btn{height:44px;padding:0 18px}
  .section{padding:56px 0}
  .stage-card{padding:28px 22px}
  .faq-q{padding:16px 18px;font-size:15.5px}
  .faq-a__inner{padding:0 18px 20px}
  .faq-group+.faq-group{margin-top:36px}
  .update-list li{grid-template-columns:1fr;gap:8px;padding:22px 0}
  .update-date{padding-top:0}
  .form-card{padding:28px 22px}
  .form-grid{grid-template-columns:1fr;gap:18px}
  .form-actions{flex-direction:column;align-items:stretch}
  .form-actions .btn{width:100%}
  .form-hint{text-align:center}
  .footer__grid{grid-template-columns:1fr;gap:32px}
  .footer__bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
  h1{font-size:2rem}
  .hero{padding:126px 0 64px}
  .hot-tags{gap:8px}
  .hot-tags button{height:30px;padding:0 12px;font-size:12.5px}
  .channel{flex-wrap:wrap;padding:18px}
  .channel .link-arrow{width:100%;padding-left:62px}
  .sec-head{gap:14px}
  .sec-tag{height:52px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}
}