/* roulang page: index */
:root{
  --brand-900:#2A1160;
  --brand-700:#4B1FB0;
  --brand-600:#5B2BD9;
  --brand-100:#EDE7FF;
  --lime-400:#C4F542;
  --lime-600:#8FBE19;
  --amber-500:#FF7A2F;
  --amber-400:#FFB03A;
  --ink-900:#140B26;
  --ink-700:#3A3350;
  --ink-500:#6B6480;
  --ink-300:#B9B3CC;
  --paper-0:#FFFFFF;
  --paper-50:#FBFAFE;
  --paper-100:#F4F1FA;
  --line:#E6E1F2;
  --ok:#2FBF71;
  --warn:#F5A623;
  --danger:#E5484D;
  --radius-card:16px;
  --radius-img:12px;
  --radius-badge:8px;
  --radius-pill:999px;
  --shadow-1:0 1px 2px rgba(20,11,38,.06);
  --shadow-2:0 8px 24px rgba(20,11,38,.08);
  --shadow-dark:0 12px 32px rgba(0,0,0,.5);
  --container:1200px;
  --font:"Source Han Sans SC","Noto Sans SC","PingFang 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:1.75;
  color:var(--ink-900);
  background:var(--paper-0);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button,input{font-family:inherit;font-size:inherit;}
button{cursor:pointer;border:0;background:none;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:3px solid var(--lime-400);outline-offset:2px;border-radius:4px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px;}
.section{padding:96px 0;}
.section--tight{padding:64px 0;}
.section-head{margin-bottom:40px;max-width:760px;}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.14em;font-weight:700;
  color:var(--brand-600);text-transform:uppercase;margin-bottom:14px;
}
.section-head .eyebrow::before{
  content:"";width:22px;height:3px;border-radius:2px;
  background:linear-gradient(90deg,var(--lime-400),var(--lime-600));
}
.section-head h2{
  font-size:32px;line-height:1.38;font-weight:700;color:var(--ink-900);letter-spacing:-.01em;
}
.section-head p{
  margin-top:14px;font-size:17px;line-height:1.9;color:var(--ink-500);max-width:720px;
}
.section-head--light h2{color:#fff;}
.section-head--light p{color:rgba(255,255,255,.72);}
.section-head--light .eyebrow{color:var(--lime-400);}

/* ============ HEADER ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--line);
  transition:box-shadow .22s ease,background .22s ease;
  backdrop-filter:saturate(1.2);
}
.site-header.is-scrolled{
  box-shadow:0 6px 22px rgba(20,11,38,.10);
  background:#fff;
}
.nav-bar{
  height:76px;display:flex;align-items:center;gap:22px;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:38px;height:38px;border-radius:11px;
  background:linear-gradient(140deg,var(--brand-600),var(--brand-900));
  position:relative;flex:0 0 auto;
  clip-path:polygon(0 0,100% 0,100% 74%,74% 100%,0 100%);
}
.brand-mark::before,
.brand-mark::after{
  content:"";position:absolute;background:var(--lime-400);border-radius:2px;
}
.brand-mark::before{width:14px;height:2px;top:13px;left:12px;box-shadow:0 6px 0 var(--lime-400),0 12px 0 var(--lime-400);}
.brand-mark::after{width:2px;height:2px;top:24px;left:22px;background:var(--amber-400);box-shadow:0 0 0 0 var(--amber-400);}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text b{font-size:17px;font-weight:700;letter-spacing:.02em;color:var(--ink-900);}
.brand-text span{font-size:11px;color:var(--ink-500);letter-spacing:.12em;}
.nav-search{
  flex:1 1 auto;max-width:520px;position:relative;
}
.nav-search form{display:flex;align-items:center;position:relative;}
.nav-search .search-ico{
  position:absolute;left:18px;top:50%;transform:translateY(-50%);
  width:18px;height:18px;stroke:var(--brand-600);stroke-width:2;fill:none;pointer-events:none;
}
.nav-search input{
  width:100%;height:48px;
  padding:0 104px 0 46px;
  border:1.5px solid var(--line);
  border-radius:var(--radius-pill);
  background:var(--paper-50);
  color:var(--ink-900);
  transition:border-color .18s ease,box-shadow .18s ease,background .18s ease;
}
.nav-search input::placeholder{color:var(--ink-300);}
.nav-search input:hover{background:#fff;border-color:var(--brand-100);}
.nav-search input:focus{
  outline:none;background:#fff;border-color:var(--lime-400);
  box-shadow:0 0 0 4px rgba(91,43,217,.15);
}
.nav-search button{
  position:absolute;right:5px;top:50%;transform:translateY(-50%);
  height:40px;padding:0 22px;border-radius:var(--radius-pill);
  background:var(--brand-600);color:#fff;font-size:14px;font-weight:700;
  transition:background .18s ease,transform .18s ease;
}
.nav-search button:hover{background:var(--amber-500);color:var(--ink-900);}
.nav-search button:active{transform:translateY(-50%) scale(.98);}
.nav-links{display:flex;align-items:center;gap:22px;flex:0 0 auto;}
.nav-links a{
  font-size:14px;color:var(--ink-700);
  transition:color .16s ease;
  position:relative;
  padding:4px 0;
}
.nav-links a:hover{color:var(--brand-600);}
.nav-links a.is-active{color:var(--brand-700);font-weight:700;}
.nav-links a.is-active::after{
  content:"";position:absolute;left:0;right:0;bottom:-6px;height:3px;border-radius:2px;
  background:linear-gradient(90deg,var(--lime-400),var(--lime-600));
}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);background:var(--paper-50);
  align-items:center;justify-content:center;
}
.nav-toggle span{width:18px;height:2px;background:var(--ink-900);position:relative;border-radius:2px;display:block;}
.nav-toggle span::before,
.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink-900);border-radius:2px;}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.chips-bar{
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,#fff,var(--paper-50));
}
.chips{
  display:flex;gap:10px;align-items:center;height:52px;
  overflow-x:auto;scrollbar-width:none;
}
.chips::-webkit-scrollbar{display:none;}
.chip{
  flex:0 0 auto;height:32px;display:inline-flex;align-items:center;
  padding:0 16px;border-radius:var(--radius-pill);
  font-size:13px;font-weight:500;color:var(--ink-700);
  border:1px solid var(--line);background:#fff;
  transition:all .18s ease;
}
.chip:hover{border-color:var(--brand-600);color:var(--brand-600);}
.chip.is-active{
  background:var(--lime-400);border-color:var(--lime-400);color:var(--brand-900);font-weight:700;
}

/* Mobile drawer */
.drawer-mask{
  position:fixed;inset:0;background:rgba(20,11,38,.6);z-index:90;
  opacity:0;visibility:hidden;transition:opacity .22s ease,visibility .22s ease;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(360px,88vw);
  background:#fff;z-index:95;padding:24px 20px;
  transform:translateX(102%);transition:transform .26s ease;
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer h3{font-size:15px;color:var(--ink-500);margin:22px 0 10px;font-weight:500;}
.drawer .drawer-search{position:relative;margin-bottom:6px;}
.drawer .drawer-search input{
  width:100%;height:48px;border-radius:var(--radius-pill);
  border:1.5px solid var(--line);background:var(--paper-50);padding:0 18px;
}
.drawer .drawer-search input:focus{outline:none;border-color:var(--lime-400);background:#fff;}
.drawer-list a{
  display:block;padding:13px 14px;border-radius:12px;font-size:15px;
  color:var(--ink-700);border:1px solid transparent;
}
.drawer-list a:hover{background:var(--paper-100);color:var(--brand-700);}
.drawer-list a.is-active{background:var(--lime-400);color:var(--brand-900);font-weight:700;}
.drawer-close{
  width:40px;height:40px;border-radius:12px;border:1px solid var(--line);
  background:var(--paper-50);display:flex;align-items:center;justify-content:center;font-size:18px;
}

/* ============ HERO ============ */
.hero{
  position:relative;overflow:hidden;
  background:var(--brand-900);
  color:#fff;
  padding:84px 0 96px;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:
    radial-gradient(680px 420px at 12% 8%,rgba(91,43,217,.72),transparent 66%),
    radial-gradient(620px 380px at 88% 84%,rgba(143,190,25,.22),transparent 68%),
    radial-gradient(520px 320px at 68% 12%,rgba(255,122,47,.16),transparent 70%);
  pointer-events:none;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(196,245,66,.06) 1px,transparent 1px),
    linear-gradient(90deg,rgba(196,245,66,.06) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:linear-gradient(180deg,rgba(0,0,0,.9),rgba(0,0,0,.15));
  pointer-events:none;
}
.hero-inner{
  position:relative;z-index:2;
  display:grid;grid-template-columns:repeat(12,1fr);gap:24px;align-items:center;
}
.hero-copy{grid-column:span 6;}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  height:30px;padding:0 14px;border-radius:var(--radius-pill);
  border:1px solid rgba(196,245,66,.42);
  background:rgba(196,245,66,.10);
  font-size:12px;letter-spacing:.06em;color:var(--lime-400);font-weight:700;
  margin-bottom:22px;
}
.hero-badge i{width:6px;height:6px;border-radius:50%;background:var(--lime-400);display:block;}
.hero h1{
  font-size:44px;line-height:1.27;font-weight:700;letter-spacing:-.015em;
  color:#fff;
}
.hero h1 em{
  font-style:normal;position:relative;white-space:nowrap;
}
.hero h1 em::after{
  content:"";position:absolute;left:0;right:0;bottom:2px;height:8px;
  background:rgba(196,245,66,.30);z-index:-1;border-radius:3px;
}
.hero-sub{
  margin-top:20px;font-size:18px;line-height:1.8;color:rgba(255,255,255,.80);max-width:520px;
}
.hero-actions{margin-top:34px;display:flex;flex-wrap:wrap;gap:14px;}
.hero-trust{
  margin-top:30px;display:flex;flex-wrap:wrap;gap:22px;
  font-size:13px;color:rgba(255,255,255,.62);
}
.hero-trust span{display:inline-flex;align-items:center;gap:7px;}
.hero-trust span::before{
  content:"";width:5px;height:5px;border-radius:50%;background:var(--lime-400);
}
.hero-progressline{
  margin-top:38px;max-width:460px;
}
.hero-progressline .bar{
  height:8px;border-radius:var(--radius-pill);background:rgba(255,255,255,.14);overflow:hidden;
}
.hero-progressline .bar i{
  display:block;height:100%;width:42%;border-radius:var(--radius-pill);
  background:linear-gradient(90deg,var(--lime-400),var(--lime-600));
}
.hero-progressline .lbl{
  margin-top:10px;display:flex;justify-content:space-between;
  font-size:12px;color:rgba(255,255,255,.55);letter-spacing:.05em;
}
.hero-visual{grid-column:span 6;position:relative;}
.hero-shot{
  position:relative;border-radius:var(--radius-card);overflow:hidden;
  border:1px solid rgba(196,245,66,.28);
  box-shadow:var(--shadow-dark);
  background:var(--ink-900);
  aspect-ratio:16/11;
}
.hero-shot img{width:100%;height:100%;object-fit:cover;object-position:center;}
.hero-shot::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(42,17,96,.10),rgba(42,17,96,.68));
}
.hero-pass{
  position:absolute;left:-18px;bottom:26px;
  background:var(--brand-900);
  border:1px solid rgba(196,245,66,.42);
  border-radius:14px;
  padding:18px 20px 16px;
  min-width:236px;
  box-shadow:var(--shadow-dark);
  clip-path:polygon(0 0,100% 0,100% calc(100% - 14px),calc(100% - 14px) 100%,0 100%);
  z-index:3;
}
.hero-pass .pass-top{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:12px;color:rgba(255,255,255,.6);letter-spacing:.08em;
}
.hero-pass .pass-top b{
  color:var(--lime-400);font-size:12px;letter-spacing:.08em;
}
.hero-pass .pass-no{
  margin-top:6px;font-size:20px;font-weight:700;color:#fff;
  font-variant-numeric:tabular-nums;letter-spacing:.04em;
}
.hero-pass .pass-bar{
  margin-top:14px;height:10px;border-radius:var(--radius-pill);
  background:var(--brand-100);overflow:hidden;
}
.hero-pass .pass-bar i{
  display:block;height:100%;width:68%;border-radius:var(--radius-pill);
  background:linear-gradient(90deg,var(--lime-400),var(--lime-600));
}
.hero-pass .pass-meta{
  margin-top:9px;display:flex;justify-content:space-between;align-items:baseline;
  font-size:12px;color:rgba(255,255,255,.55);
}
.hero-pass .pass-meta b{
  font-size:16px;color:#fff;font-variant-numeric:tabular-nums;
}

/* ============ BUTTONS ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:50px;padding:0 28px;border-radius:var(--radius-pill);
  font-size:15px;font-weight:700;letter-spacing:.01em;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(96deg,var(--amber-500),var(--amber-400));
  color:#2A1160;
  box-shadow:0 6px 18px rgba(255,122,47,.26);
}
.btn-primary:hover{
  transform:translateY(-2px);
  box-shadow:0 12px 28px rgba(255,122,47,.35);
  filter:brightness(1.06);
}
.btn-primary:active{transform:translateY(0) scale(.99);}
.btn-outline{
  border:1.5px solid var(--brand-600);
  color:var(--brand-700);
  background:transparent;
}
.btn-outline:hover{background:rgba(91,43,217,.08);transform:translateY(-2px);}
.btn-ghost{
  border:1px solid rgba(255,255,255,.28);
  color:#fff;
}
.btn-ghost:hover{border-color:var(--lime-400);color:var(--lime-400);transform:translateY(-2px);}
.btn-sm{height:40px;padding:0 20px;font-size:14px;}
.btn-block{width:100%;}

/* ============ QUICK ENTRY ============ */
.quick{background:var(--paper-50);border-bottom:1px solid var(--line);}
.quick-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
}
.quick-item{
  display:flex;align-items:center;gap:14px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:20px 22px;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.quick-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:var(--brand-100);}
.quick-ico{
  width:44px;height:44px;border-radius:12px;flex:0 0 auto;
  display:flex;align-items:center;justify-content:center;
  background:var(--brand-100);color:var(--brand-700);font-size:18px;font-weight:700;
}
.quick-item b{display:block;font-size:15px;color:var(--ink-900);}
.quick-item span{display:block;font-size:13px;color:var(--ink-500);}

/* ============ STEPS ============ */
.steps{
  display:grid;grid-template-columns:repeat(4,1fr);gap:22px;
  counter-reset:step;
}
.step-card{
  position:relative;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-card);padding:28px 24px 26px;
  box-shadow:var(--shadow-1);
  transition:transform .2s ease,box-shadow .2s ease;
}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.step-card::before{
  content:"";position:absolute;left:0;top:26px;bottom:26px;width:3px;
  border-radius:0 3px 3px 0;background:linear-gradient(180deg,var(--lime-400),var(--lime-600));
  opacity:.85;
}
.step-num{
  font-size:40px;font-weight:700;line-height:1;color:var(--lime-600);
  font-variant-numeric:tabular-nums;letter-spacing:-.03em;
}
.step-card h3{margin-top:16px;font-size:19px;font-weight:700;color:var(--ink-900);}
.step-card p{margin-top:10px;font-size:15px;line-height:1.8;color:var(--ink-500);}

/* ============ REWARDS ============ */
.rewards{background:var(--paper-50);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.reward-grid{
  display:grid;grid-template-columns:repeat(6,1fr);gap:22px;
}
.reward-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px;display:flex;flex-direction:column;gap:14px;
  box-shadow:var(--shadow-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.reward-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:var(--brand-100);}
.reward-card--big{grid-column:span 3;}
.reward-card--small{grid-column:span 2;}
.reward-thumb{
  border-radius:var(--radius-img);overflow:hidden;background:var(--paper-100);
  aspect-ratio:16/9;
}
.reward-card--big .reward-thumb{aspect-ratio:16/9;}
.reward-thumb img{width:100%;height:100%;object-fit:cover;}
.reward-title{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
}
.reward-title h3{font-size:18px;font-weight:700;color:var(--ink-900);}
.reward-card p{font-size:14px;line-height:1.8;color:var(--ink-500);}
.badge{
  display:inline-flex;align-items:center;
  height:24px;padding:0 10px;border-radius:var(--radius-badge);
  font-size:12px;font-weight:700;white-space:nowrap;
}
.badge-cat{background:var(--brand-100);color:var(--brand-700);}
.badge-lime{background:rgba(196,245,66,.28);color:#4A6B00;}
.badge-outline{border:1px solid var(--line);color:var(--ink-500);background:#fff;}
.badge-gray{background:var(--paper-100);color:var(--ink-500);}
.reward-bar{
  height:10px;border-radius:var(--radius-pill);background:var(--brand-100);overflow:hidden;
}
.reward-bar i{
  display:block;height:100%;border-radius:var(--radius-pill);
  background:linear-gradient(90deg,var(--lime-400),var(--lime-600));
}
.reward-meta{
  display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--ink-500);font-variant-numeric:tabular-nums;
}
.reward-meta b{color:var(--ink-900);font-weight:700;}

/* ============ TASKS (dark) ============ */
.tasks{
  position:relative;overflow:hidden;color:#fff;background:var(--brand-900);
}
.tasks::before{
  content:"";position:absolute;inset:0;
  background-image:
    radial-gradient(620px 400px at 82% 4%,rgba(91,43,217,.62),transparent 66%),
    radial-gradient(520px 340px at 6% 92%,rgba(143,190,25,.20),transparent 70%);
  pointer-events:none;
}
.tasks::after{
  content:"";position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(196,245,66,.06) 1px,transparent 1px),
    linear-gradient(90deg,rgba(196,245,66,.06) 1px,transparent 1px);
  background-size:56px 56px;
  pointer-events:none;
}
.tasks-inner{position:relative;z-index:2;}
.task-layout{
  display:grid;grid-template-columns:340px 1fr;gap:32px;align-items:start;
}
.task-summary{
  background:rgba(255,255,255,.045);
  border:1px solid rgba(196,245,66,.28);
  border-radius:var(--radius-card);
  padding:28px 26px;
  clip-path:polygon(0 0,100% 0,100% calc(100% - 14px),calc(100% - 14px) 100%,0 100%);
  box-shadow:var(--shadow-dark);
}
.task-summary .num{
  font-size:52px;font-weight:700;line-height:1;color:var(--lime-400);
  font-variant-numeric:tabular-nums;letter-spacing:-.03em;
}
.task-summary .num span{font-size:18px;color:rgba(255,255,255,.62);margin-left:6px;font-weight:500;}
.task-summary .cap{margin-top:10px;font-size:14px;color:rgba(255,255,255,.66);}
.task-summary .big-bar{
  margin-top:22px;height:10px;border-radius:var(--radius-pill);
  background:rgba(255,255,255,.14);overflow:hidden;
}
.task-summary .big-bar i{
  display:block;height:100%;width:68%;border-radius:var(--radius-pill);
  background:linear-gradient(90deg,var(--lime-400),var(--lime-600));
}
.task-summary .milestones{
  margin-top:20px;display:flex;justify-content:space-between;gap:8px;
}
.task-summary .ms{
  display:flex;flex-direction:column;align-items:center;gap:8px;flex:1;
  font-size:12px;color:rgba(255,255,255,.5);
}
.task-summary .ms i{
  width:12px;height:12px;border-radius:50%;
  border:1px solid rgba(255,255,255,.28);background:transparent;display:block;
}
.task-summary .ms.is-done i{background:var(--lime-400);border-color:var(--lime-400);}
.task-summary .ms.is-done{color:var(--lime-400);}
.task-list{display:flex;flex-direction:column;gap:12px;}
.task-row{
  display:flex;align-items:center;gap:16px;
  background:rgba(255,255,255,.045);
  border:1px solid rgba(255,255,255,.12);
  border-radius:14px;padding:16px 20px;
  transition:border-color .2s ease,background .2s ease,transform .2s ease;
}
.task-row:hover{border-color:rgba(196,245,66,.5);background:rgba(255,255,255,.075);transform:translateX(3px);}
.task-row.is-done{border-color:rgba(196,245,66,.36);}
.task-check{
  width:22px;height:22px;border-radius:7px;flex:0 0 auto;
  border:1.5px solid rgba(255,255,255,.3);
  display:flex;align-items:center;justify-content:center;
  font-size:13px;color:transparent;
}
.task-row.is-done .task-check{
  background:var(--lime-400);border-color:var(--lime-400);color:var(--brand-900);
}
.task-row .task-text{flex:1 1 auto;min-width:0;}
.task-row .task-text b{display:block;font-size:15px;color:#fff;font-weight:500;}
.task-row .task-text span{display:block;font-size:13px;color:rgba(255,255,255,.55);}

/* ============ NEWS (CMS) ============ */
.news{background:var(--paper-0);}
.news-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  margin-bottom:36px;flex-wrap:wrap;
}
.news-head .section-head{margin-bottom:0;}
.link-more{
  display:inline-flex;align-items:center;gap:7px;
  font-size:14px;font-weight:700;color:var(--brand-600);
  border-bottom:1.5px solid rgba(91,43,217,.28);padding-bottom:3px;
  transition:color .18s ease,border-color .18s ease;
}
.link-more:hover{color:var(--amber-500);border-color:var(--amber-500);}
.news-list{
  display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:start;
}
.news-lead{
  display:block;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.news-lead:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:var(--brand-100);}
.news-lead .thumb{aspect-ratio:16/9;background:var(--paper-100);overflow:hidden;}
.news-lead .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.news-lead:hover .thumb img{transform:scale(1.04);}
.news-lead .body{padding:24px;}
.news-lead h3{
  margin-top:12px;font-size:22px;line-height:1.5;font-weight:700;color:var(--ink-900);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-lead p{
  margin-top:12px;font-size:15px;line-height:1.85;color:var(--ink-500);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-side{display:flex;flex-direction:column;gap:14px;}
.news-card{
  display:flex;gap:16px;align-items:flex-start;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:16px;box-shadow:var(--shadow-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.news-card:hover{transform:translateX(4px);box-shadow:var(--shadow-2);border-color:var(--brand-100);}
.news-card .thumb{
  width:132px;flex:0 0 132px;aspect-ratio:16/9;border-radius:var(--radius-img);
  overflow:hidden;background:var(--paper-100);
}
.news-card .thumb img{width:100%;height:100%;object-fit:cover;}
.news-card .body{min-width:0;flex:1 1 auto;}
.news-card h4{
  margin-top:8px;font-size:16px;font-weight:700;line-height:1.55;color:var(--ink-900);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card p{
  margin-top:8px;font-size:14px;line-height:1.7;color:var(--ink-500);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  font-size:13px;color:var(--ink-500);
}
.news-meta time{font-variant-numeric:tabular-nums;}
.news-empty{
  grid-column:1 / -1;
  display:flex;flex-direction:column;align-items:center;gap:16px;
  text-align:center;padding:64px 24px;
  background:var(--paper-50);border:1px dashed var(--line);border-radius:var(--radius-card);
}
.news-empty .ico{
  width:56px;height:56px;border-radius:16px;background:var(--brand-100);
  display:flex;align-items:center;justify-content:center;font-size:24px;color:var(--brand-600);
}
.news-empty p{font-size:15px;color:var(--ink-500);}

/* ============ PROOF ============ */
.proof{background:var(--paper-50);border-top:1px solid var(--line);}
.proof-layout{display:grid;grid-template-columns:1fr 1.15fr;gap:32px;align-items:start;}
.proof-stats{
  display:grid;grid-template-columns:1fr 1fr;gap:18px;
}
.stat-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px 22px;box-shadow:var(--shadow-1);
}
.stat-card b{
  display:block;font-size:34px;line-height:1.1;font-weight:700;color:var(--brand-700);
  font-variant-numeric:tabular-nums;letter-spacing:-.02em;
}
.stat-card b em{font-style:normal;font-size:16px;color:var(--ink-500);margin-left:4px;font-weight:500;}
.stat-card span{display:block;margin-top:8px;font-size:14px;color:var(--ink-500);}
.proof-quotes{display:flex;flex-direction:column;gap:16px;}
.quote{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:22px 24px;position:relative;box-shadow:var(--shadow-1);
}
.quote::before{
  content:"";position:absolute;left:0;top:22px;bottom:22px;width:3px;border-radius:0 3px 3px 0;
  background:var(--lime-400);
}
.quote p{font-size:15px;line-height:1.85;color:var(--ink-700);}
.quote footer{margin-top:12px;font-size:13px;color:var(--ink-500);}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:880px;}
.faq-item{
  border:1px solid var(--line);border-radius:12px;background:#fff;
  overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:var(--brand-100);}
.faq-item.is-open{border-color:rgba(91,43,217,.32);box-shadow:var(--shadow-1);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;text-align:left;
  font-size:17px;font-weight:500;color:var(--ink-900);
  position:relative;
}
.faq-q::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;
  border-radius:0 3px 3px 0;background:var(--lime-400);
  opacity:0;transition:opacity .2s ease;
}
.faq-item.is-open .faq-q::before{opacity:1;}
.faq-ico{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  border:1px solid var(--line);display:flex;align-items:center;justify-content:center;
  font-size:15px;color:var(--brand-600);transition:transform .2s ease,background .2s ease;
}
.faq-item.is-open .faq-ico{background:var(--lime-400);border-color:var(--lime-400);color:var(--brand-900);transform:rotate(45deg);}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height .22s ease;
}
.faq-a p{
  padding:0 24px 22px 24px;font-size:15px;line-height:1.8;color:var(--ink-500);
}

/* ============ CTA ============ */
.cta-band{
  background:var(--brand-900);color:#fff;position:relative;overflow:hidden;
  border-top:1px solid rgba(196,245,66,.28);
  border-bottom:1px solid rgba(196,245,66,.28);
  padding:88px 0;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:
    radial-gradient(560px 340px at 50% 0%,rgba(91,43,217,.7),transparent 68%),
    radial-gradient(420px 280px at 88% 100%,rgba(255,122,47,.16),transparent 72%);
  pointer-events:none;
}
.cta-band::after{
  content:"";position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(196,245,66,.06) 1px,transparent 1px),
    linear-gradient(90deg,rgba(196,245,66,.06) 1px,transparent 1px);
  background-size:56px 56px;
  pointer-events:none;
}
.cta-inner{position:relative;z-index:2;text-align:center;max-width:720px;margin:0 auto;}
.cta-inner h2{font-size:32px;line-height:1.4;font-weight:700;color:#fff;}
.cta-inner p{margin-top:16px;font-size:16px;line-height:1.85;color:rgba(255,255,255,.72);}
.cta-actions{margin-top:32px;display:flex;gap:14px;justify-content:center;flex-wrap:wrap;}

/* ============ FOOTER ============ */
.site-footer{
  background:var(--ink-900);color:rgba(255,255,255,.66);
  padding:64px 0 30px;position:relative;overflow:hidden;
}
.site-footer::before{
  content:"";position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(196,245,66,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(196,245,66,.05) 1px,transparent 1px);
  background-size:56px 56px;pointer-events:none;
}
.footer-inner{position:relative;z-index:2;}
.footer-top{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;
  padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.10);
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{
  background:linear-gradient(140deg,var(--brand-600),var(--lime-600));
}
.footer-brand b{color:#fff;font-size:16px;}
.footer-brand span{display:block;font-size:11px;color:rgba(255,255,255,.5);letter-spacing:.12em;}
.footer-desc{font-size:14px;line-height:1.85;max-width:340px;}
.footer-col h4{font-size:14px;color:#fff;font-weight:700;margin-bottom:16px;letter-spacing:.04em;}
.footer-col a{
  display:block;font-size:14px;padding:7px 0;color:rgba(255,255,255,.64);
  transition:color .16s ease,transform .16s ease;
}
.footer-col a:hover{color:var(--lime-400);transform:translateX(3px);}
.footer-bottom{
  padding-top:24px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.44);
}

/* ============ RESPONSIVE ============ */
@media (max-width:1439px){
  :root{--container:1140px;}
}
@media (max-width:1199px){
  .container{padding:0 24px;}
  .section{padding:72px 0;}
  .step-card{padding:24px 20px;}
  .steps{grid-template-columns:repeat(2,1fr);}
  .quick-grid{grid-template-columns:repeat(2,1fr);}
  .task-layout{grid-template-columns:1fr;}
  .proof-layout{grid-template-columns:1fr;}
  .hero h1{font-size:38px;}
  .footer-top{grid-template-columns:1fr 1fr;}
  .footer-desc{max-width:none;}
}
@media (max-width:1023px){
  .nav-links{display:none;}
  .nav-toggle{display:flex;}
  .nav-search{max-width:none;}
  .hero-inner{grid-template-columns:1fr;gap:40px;}
  .hero-copy,.hero-visual{grid-column:span 12;}
  .hero{padding:64px 0 76px;}
  .hero-pass{left:12px;bottom:12px;}
  .news-list{grid-template-columns:1fr;}
  .reward-card--big{grid-column:span 6;}
  .reward-card--small{grid-column:span 3;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .section{padding:56px 0;}
  .section--tight{padding:44px 0;}
  .nav-bar{height:60px;gap:12px;}
  .brand-mark{width:34px;height:34px;}
  .brand-text b{font-size:16px;}
  .brand-text span{display:none;}
  .nav-search{display:none;}
  .section-head h2{font-size:24px;}
  .section-head p{font-size:16px;}
  .hero h1{font-size:28px;line-height:1.35;}
  .hero-sub{font-size:16px;}
  .hero-actions .btn{width:100%;}
  .hero-trust{gap:14px;font-size:12px;}
  .steps{grid-template-columns:1fr;}
  .quick-grid{grid-template-columns:1fr;}
  .reward-grid{grid-template-columns:1fr;}
  .reward-card--big,.reward-card--small{grid-column:span 1;}
  .news-card{flex-direction:column;}
  .news-card .thumb{width:100%;flex:0 0 auto;aspect-ratio:16/9;}
  .proof-stats{grid-template-columns:1fr;}
  .cta-inner h2{font-size:24px;}
  .cta-actions .btn{width:100%;}
  .footer-top{grid-template-columns:1fr;gap:26px;}
  .faq-q{font-size:16px;padding:18px 18px;}
  .faq-a p{padding:0 18px 18px 18px;}
  .task-summary .num{font-size:42px;}
}
@media (max-width:480px){
  .hero h1{font-size:26px;}
  .hero-badge{font-size:11px;}
  .stat-card b{font-size:28px;}
  .news-lead h3{font-size:19px;}
}

/* roulang page: article */
:root{
  --brand-900:#2A1160;
  --brand-700:#4B1FB0;
  --brand-600:#5B2BD9;
  --brand-100:#EDE7FF;
  --lime-400:#C4F542;
  --lime-600:#8FBE19;
  --amber-500:#FF7A2F;
  --amber-400:#FFB03A;
  --ink-900:#140B26;
  --ink-700:#3A3350;
  --ink-500:#6B6480;
  --ink-300:#B9B3CC;
  --paper-0:#FFFFFF;
  --paper-50:#FBFAFE;
  --paper-100:#F4F1FA;
  --line:#E6E1F2;
  --ok:#2FBF71;
  --warn:#F5A623;
  --danger:#E5484D;
  --radius-card:16px;
  --radius-img:12px;
  --radius-badge:8px;
  --radius-pill:999px;
  --shadow-sm:0 1px 2px rgba(20,11,38,.06);
  --shadow-md:0 8px 24px rgba(20,11,38,.08);
  --shadow-dark:0 12px 32px rgba(0,0,0,.5);
  --container:1200px;
  --header-h:76px;
  --font:"Source Han Sans SC","Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",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:1.75;
  color:var(--ink-900);
  background:var(--paper-50);
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--radius-img);}
a{color:inherit;text-decoration:none;transition:color .18s ease,opacity .18s ease;}
a:hover{color:var(--brand-600);}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{padding:0;list-style:none;}
button,input{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
:focus-visible{outline:3px solid var(--lime-400);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px;}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--line);
  transition:box-shadow .22s ease,background .22s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 22px rgba(20,11,38,.10);background:#fff;}
.header-inner{
  display:flex;align-items:center;gap:20px;
  min-height:var(--header-h);
}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo-mark{
  width:38px;height:38px;border-radius:10px;
  background:linear-gradient(135deg,var(--brand-700),var(--brand-600));
  color:var(--lime-400);
  display:grid;place-items:center;
  font-weight:700;font-size:18px;
  box-shadow:0 6px 16px rgba(75,31,176,.28);
}
.logo-text{display:flex;flex-direction:column;line-height:1.15;}
.logo-main{font-size:18px;font-weight:700;letter-spacing:.5px;color:var(--ink-900);}
.logo-sub{font-size:11px;color:var(--ink-500);letter-spacing:2px;}
.nav-search{
  position:relative;flex:1 1 auto;max-width:520px;
  display:flex;align-items:center;
  height:48px;
  background:var(--paper-100);
  border:1px solid var(--line);
  border-radius:var(--radius-pill);
  padding:0 6px 0 16px;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.nav-search:hover{background:#fff;border-color:#D8D0EE;}
.nav-search:focus-within{
  background:#fff;border-color:var(--lime-600);
  box-shadow:0 0 0 4px rgba(91,43,217,.15);
}
.nav-search svg{flex:0 0 auto;width:18px;height:18px;stroke:var(--brand-600);stroke-width:2;fill:none;}
.search-input{
  flex:1 1 auto;height:100%;border:0;background:transparent;outline:none;
  font-size:14px;color:var(--ink-900);padding:0 10px;
}
.search-input::placeholder{color:var(--ink-300);}
.btn-search{
  flex:0 0 auto;height:36px;padding:0 18px;border-radius:var(--radius-pill);
  background:var(--brand-600);color:#fff;font-size:14px;font-weight:500;
  transition:background .2s ease,transform .2s ease;
}
.btn-search:hover{background:var(--amber-500);color:#2A1160;transform:translateY(-1px);}
.nav-links{display:flex;align-items:center;gap:4px;flex:0 0 auto;}
.nav-links a{
  padding:8px 12px;border-radius:var(--radius-pill);
  font-size:14px;color:var(--ink-700);white-space:nowrap;
}
.nav-links a:hover{background:var(--brand-100);color:var(--brand-700);}
.nav-links a.is-active{background:var(--brand-100);color:var(--brand-700);font-weight:500;}
.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.ghost-link{font-size:14px;color:var(--ink-700);padding:8px 6px;}
.ghost-link:hover{color:var(--brand-700);}
.btn-primary{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--radius-pill);
  background:linear-gradient(135deg,var(--amber-500),var(--amber-400));
  color:#2A1160;font-size:15px;font-weight:700;letter-spacing:.5px;
  box-shadow:0 8px 20px rgba(255,122,47,.28);
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(255,122,47,.35);filter:brightness(1.06);color:#2A1160;}
.btn-primary:active{transform:translateY(0) scale(.99);}
.btn-sm{height:38px;padding:0 18px;font-size:14px;}
.btn-outline{
  display:inline-flex;align-items:center;justify-content:center;
  height:48px;padding:0 26px;border-radius:var(--radius-pill);
  border:1.5px solid var(--brand-600);color:var(--brand-700);
  font-size:15px;font-weight:500;background:transparent;
  transition:background .2s ease,transform .2s ease;
}
.btn-outline:hover{background:rgba(91,43,217,.08);color:var(--brand-700);transform:translateY(-2px);}
.btn-ghost-dark{
  display:inline-flex;align-items:center;justify-content:center;
  height:48px;padding:0 26px;border-radius:var(--radius-pill);
  border:1px solid rgba(255,255,255,.28);color:#fff;font-size:15px;
  transition:border-color .2s ease,color .2s ease,transform .2s ease;
}
.btn-ghost-dark:hover{border-color:var(--lime-400);color:var(--lime-400);transform:translateY(-2px);}
.burger{
  display:none;width:42px;height:42px;border-radius:12px;
  border:1px solid var(--line);background:#fff;
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.burger span{width:18px;height:2px;background:var(--ink-900);border-radius:2px;}
.chips-row{
  display:flex;gap:8px;overflow-x:auto;padding-bottom:12px;
  scrollbar-width:none;
}
.chips-row::-webkit-scrollbar{display:none;}
.chip{
  flex:0 0 auto;height:32px;display:inline-flex;align-items:center;
  padding:0 14px;border-radius:var(--radius-pill);
  border:1px solid var(--line);background:#fff;
  font-size:13px;color:var(--ink-700);white-space:nowrap;
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.chip:hover{border-color:var(--brand-600);color:var(--brand-700);background:rgba(91,43,217,.06);}
.chip.is-active{background:var(--lime-400);color:var(--brand-900);border-color:var(--lime-400);font-weight:500;}

/* ---------- drawer ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(20,11,38,.6);
  opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;z-index:80;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:320px;max-width:88vw;
  background:#fff;z-index:90;padding:22px 20px 40px;
  transform:translateX(102%);transition:transform .28s cubic-bezier(.4,0,.2,1);
  overflow-y:auto;box-shadow:-12px 0 32px rgba(20,11,38,.18);
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer-close{width:36px;height:36px;border-radius:10px;border:1px solid var(--line);font-size:18px;color:var(--ink-700);}
.drawer-search{display:flex;height:48px;border:1px solid var(--line);border-radius:var(--radius-pill);background:var(--paper-100);align-items:center;padding:0 6px 0 16px;margin-bottom:18px;}
.drawer-search input{flex:1;border:0;background:transparent;outline:none;font-size:14px;padding:0 8px;}
.drawer-title{font-size:12px;letter-spacing:2px;color:var(--ink-500);margin:18px 0 10px;}
.drawer-links{display:flex;flex-direction:column;gap:6px;}
.drawer-links a{padding:11px 14px;border-radius:12px;font-size:15px;color:var(--ink-700);background:var(--paper-50);}
.drawer-links a:hover{background:var(--brand-100);color:var(--brand-700);}
.drawer-links a.is-active{background:var(--lime-400);color:var(--brand-900);font-weight:500;}
.drawer-cta{margin-top:22px;display:flex;flex-direction:column;gap:10px;}
.drawer-cta .btn-primary,.drawer-cta .btn-outline{width:100%;}

/* ---------- dark band + breadcrumb ---------- */
.page-band{
  position:relative;overflow:hidden;
  background:var(--brand-900);
  padding:30px 0 74px;
}
.page-band::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(520px 260px at 12% 0%,rgba(91,43,217,.75),transparent 70%),
    radial-gradient(460px 240px at 88% 110%,rgba(196,245,66,.18),transparent 72%);
}
.page-band::after{
  content:"";position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(196,245,66,.06) 1px,transparent 1px),
    linear-gradient(90deg,rgba(196,245,66,.06) 1px,transparent 1px);
  background-size:44px 44px;
  opacity:.9;
}
.page-band .container{position:relative;z-index:2;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.66);}
.breadcrumb a{color:rgba(255,255,255,.82);}
.breadcrumb a:hover{color:var(--lime-400);}
.breadcrumb .sep{color:rgba(255,255,255,.35);}
.breadcrumb .current{color:#fff;max-width:420px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.band-tag{
  display:inline-flex;align-items:center;gap:6px;
  height:26px;padding:0 12px;border-radius:var(--radius-badge);
  background:rgba(196,245,66,.16);border:1px solid rgba(196,245,66,.45);
  color:var(--lime-400);font-size:12px;margin-bottom:14px;
}
.band-note{color:rgba(255,255,255,.7);font-size:13px;margin-top:10px;}

/* ---------- article ---------- */
.article-main{position:relative;z-index:3;margin-top:-48px;padding-bottom:8px;}
.article-card{
  background:var(--paper-0);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-md);
  padding:36px 40px 40px;
}
.article-head{border-bottom:1px solid var(--line);padding-bottom:22px;margin-bottom:28px;}
.article-badge{
  display:inline-flex;align-items:center;height:24px;padding:0 12px;
  border-radius:var(--radius-badge);background:var(--brand-100);color:var(--brand-700);
  font-size:12px;margin-bottom:14px;
}
.article-head h1{
  font-size:38px;line-height:1.35;font-weight:700;letter-spacing:.2px;
  color:var(--ink-900);margin-bottom:16px;
}
.article-meta{display:flex;flex-wrap:wrap;gap:16px;font-size:13px;color:var(--ink-500);}
.article-meta span{display:inline-flex;align-items:center;gap:6px;}
.article-meta .dot{width:5px;height:5px;border-radius:50%;background:var(--ink-300);}
.article-body{max-width:760px;font-size:17px;line-height:1.9;color:var(--ink-700);}
.article-body p{margin:0 0 1.25em;}
.article-body h2{
  font-size:24px;line-height:1.5;color:var(--ink-900);font-weight:700;
  margin:40px 0 16px;
}
.article-body h3{font-size:20px;line-height:1.55;color:var(--ink-900);font-weight:700;margin:32px 0 12px;}
.article-body h4{font-size:18px;line-height:1.6;color:var(--ink-900);font-weight:500;margin:24px 0 10px;}
.article-body ul,.article-body ol{margin:0 0 1.25em;padding-left:0;}
.article-body ul li,.article-body ol li{
  position:relative;padding-left:22px;margin-bottom:8px;line-height:1.8;
}
.article-body ul li::before{
  content:"";position:absolute;left:4px;top:12px;
  width:7px;height:7px;border-radius:2px;background:var(--lime-600);
}
.article-body ol{counter-reset:item;}
.article-body ol li::before{
  counter-increment:item;content:counter(item);
  position:absolute;left:0;top:6px;
  width:16px;height:16px;border-radius:50%;
  background:var(--brand-100);color:var(--brand-700);
  font-size:11px;line-height:16px;text-align:center;font-weight:700;
}
.article-body blockquote{
  margin:24px 0;padding:16px 20px;
  background:var(--paper-100);
  border-left:3px solid var(--lime-400);
  border-radius:0 var(--radius-img) var(--radius-img) 0;
  color:var(--ink-700);font-size:16px;
}
.article-body a{color:var(--brand-600);border-bottom:1px solid rgba(91,43,217,.35);}
.article-body a:hover{color:var(--lime-600);border-bottom-color:var(--lime-600);}
.article-body img{margin:24px auto;border-radius:var(--radius-img);}
.article-body figure{margin:24px 0;}
.article-body figcaption{font-size:13px;color:var(--ink-500);text-align:center;margin-top:10px;}
.article-body table{
  width:100%;border-collapse:separate;border-spacing:0;
  border:1px solid var(--line);border-radius:var(--radius-img);
  overflow:hidden;font-size:15px;margin:24px 0;
  display:block;overflow-x:auto;white-space:nowrap;
}
.article-body th,.article-body td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--line);}
.article-body th{background:var(--paper-100);color:var(--ink-900);font-weight:500;}
.article-body tbody tr:nth-child(even){background:var(--paper-50);}
.article-body tbody tr:last-child td{border-bottom:0;}
.article-body hr{border:0;border-top:1px solid var(--line);margin:32px 0;}
.article-tags{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-top:36px;padding-top:22px;border-top:1px solid var(--line);}
.article-tags .tag-label{font-size:13px;color:var(--ink-500);margin-right:4px;}
.tag{
  display:inline-flex;align-items:center;height:28px;padding:0 14px;
  border-radius:var(--radius-pill);background:var(--paper-100);
  font-size:13px;color:var(--ink-700);
  transition:background .2s ease,color .2s ease;
}
.tag:hover{background:var(--lime-400);color:var(--brand-900);}
.empty-state{
  text-align:center;padding:56px 24px;
  background:var(--paper-50);border:1px dashed var(--line);border-radius:var(--radius-card);
}
.empty-state .empty-icon{
  width:56px;height:56px;margin:0 auto 16px;border-radius:16px;
  background:var(--paper-100);color:var(--brand-600);
  display:grid;place-items:center;font-size:24px;font-weight:700;
}
.empty-state h2{font-size:20px;color:var(--ink-900);margin-bottom:8px;}
.empty-state p{font-size:14px;color:var(--ink-500);margin-bottom:22px;}
.empty-state .btn-primary{height:44px;padding:0 24px;}

/* ---------- sections ---------- */
.section{padding:72px 0 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:26px;}
.section-head h2{font-size:28px;line-height:1.4;color:var(--ink-900);font-weight:700;}
.section-head p{font-size:14px;color:var(--ink-500);margin-top:8px;}
.section-head .more-link{font-size:14px;color:var(--brand-600);white-space:nowrap;}
.section-head .more-link:hover{color:var(--amber-500);}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.card{
  display:flex;flex-direction:column;
  background:var(--paper-0);border:1px solid var(--line);
  border-radius:var(--radius-card);overflow:hidden;
  box-shadow:var(--shadow-sm);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#D8D0EE;}
.card-cover{position:relative;aspect-ratio:16/9;background:var(--paper-100);}
.card-cover img{width:100%;height:100%;object-fit:cover;border-radius:0;}
.card-cover .cover-badge{
  position:absolute;left:12px;top:12px;
  height:24px;display:inline-flex;align-items:center;padding:0 10px;
  border-radius:var(--radius-badge);background:var(--lime-400);color:var(--brand-900);
  font-size:12px;font-weight:500;
}
.card-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-body h3{
  font-size:17px;line-height:1.55;font-weight:700;color:var(--ink-900);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-body p{
  font-size:14px;line-height:1.75;color:var(--ink-500);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-meta{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--ink-500);margin-top:auto;}

/* ---------- pager ---------- */
.pager{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:56px;}
.pager-item{
  display:flex;flex-direction:column;gap:6px;
  padding:20px 24px;border:1px solid var(--line);border-radius:var(--radius-card);
  background:var(--paper-0);box-shadow:var(--shadow-sm);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.pager-item:hover{transform:translateY(-3px);border-color:var(--brand-600);box-shadow:var(--shadow-md);}
.pager-item span{font-size:12px;color:var(--ink-500);letter-spacing:1px;}
.pager-item strong{font-size:16px;color:var(--ink-900);font-weight:500;}
.pager-item.right{text-align:right;align-items:flex-end;}
.back-row{display:flex;justify-content:center;margin-top:24px;}
.back-link{
  display:inline-flex;align-items:center;gap:8px;
  height:44px;padding:0 24px;border-radius:var(--radius-pill);
  border:1px solid var(--line);background:#fff;font-size:14px;color:var(--ink-700);
}
.back-link:hover{border-color:var(--brand-600);color:var(--brand-700);}

/* ---------- CTA band ---------- */
.cta-band-wrap{padding:72px 0 80px;}
.cta-band{
  position:relative;overflow:hidden;
  border-radius:var(--radius-card);
  background:var(--brand-900);
  border:1px solid rgba(196,245,66,.55);
  box-shadow:var(--shadow-dark);
  padding:56px 40px;text-align:center;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(420px 220px at 20% 0%,rgba(91,43,217,.7),transparent 70%),
    radial-gradient(380px 200px at 85% 100%,rgba(255,122,47,.22),transparent 72%);
}
.cta-band::after{
  content:"";position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(196,245,66,.06) 1px,transparent 1px),
    linear-gradient(90deg,rgba(196,245,66,.06) 1px,transparent 1px);
  background-size:44px 44px;
}
.cta-band > *{position:relative;z-index:2;}
.cta-band h2{font-size:28px;color:#fff;font-weight:700;margin-bottom:12px;}
.cta-band p{font-size:15px;color:rgba(255,255,255,.72);max-width:620px;margin:0 auto 26px;}
.cta-actions{display:flex;justify-content:center;gap:14px;flex-wrap:wrap;}

/* ---------- footer ---------- */
.site-footer{background:var(--ink-900);color:rgba(255,255,255,.72);padding:64px 0 26px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .logo-mark{box-shadow:none;}
.footer-brand .logo-main{color:#fff;}
.footer-brand .logo-sub{color:rgba(255,255,255,.5);}
.site-footer p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);}
.footer-quote{
  margin-top:18px;padding:14px 16px;border-radius:12px;
  border:1px solid rgba(196,245,66,.3);background:rgba(196,245,66,.06);
  font-size:13px;color:rgba(255,255,255,.75);
}
.footer-col h4{font-size:14px;color:#fff;margin-bottom:16px;font-weight:500;letter-spacing:1px;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.62);}
.footer-col a:hover{color:var(--lime-400);}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.5);
}
.footer-bottom a{color:rgba(255,255,255,.6);}
.footer-bottom a:hover{color:var(--lime-400);}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .container{max-width:1140px;padding:0 24px;}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:28px;}
}
@media (max-width:1023px){
  .nav-search{max-width:none;}
  .nav-links{display:none;}
  .header-actions{display:none;}
  .burger{display:flex;}
  .header-inner{gap:12px;min-height:64px;}
  .related-grid{grid-template-columns:repeat(2,1fr);}
  .article-card{padding:28px 26px 32px;}
  .article-head h1{font-size:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:767px){
  .section{padding:56px 0 0;}
  .section-head{flex-direction:column;align-items:flex-start;}
  .section-head h2{font-size:24px;}
  .page-band{padding:22px 0 68px;}
  .article-main{margin-top:-44px;}
  .article-card{padding:22px 20px 26px;}
  .article-head h1{font-size:28px;}
  .article-body{font-size:16px;line-height:1.85;}
  .article-body h2{font-size:21px;margin-top:32px;}
  .article-body h3{font-size:18px;}
  .related-grid{grid-template-columns:1fr;}
  .pager{grid-template-columns:1fr;gap:14px;}
  .pager-item.right{text-align:left;align-items:flex-start;}
  .cta-band{padding:40px 22px;}
  .cta-band h2{font-size:23px;}
  .cta-actions .btn-primary,.cta-actions .btn-ghost-dark{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
}
@media (max-width:519px){
  .container{padding:0 16px;}
  .article-head h1{font-size:25px;}
  .breadcrumb .current{max-width:200px;}
  .logo-sub{display:none;}
  .article-meta{gap:10px;font-size:12px;}
}

/* roulang page: category1 */
:root{
  --brand-900:#2A1160;
  --brand-700:#4B1FB0;
  --brand-600:#5B2BD9;
  --brand-100:#EDE7FF;
  --lime-400:#C4F542;
  --lime-600:#8FBE19;
  --amber-500:#FF7A2F;
  --amber-400:#FFB03A;
  --ink-900:#140B26;
  --ink-700:#3A3350;
  --ink-500:#6B6480;
  --ink-300:#B9B3CC;
  --paper-0:#FFFFFF;
  --paper-50:#FBFAFE;
  --paper-100:#F4F1FA;
  --line:#E6E1F2;
  --ok:#2FBF71;
  --warn:#F5A623;
  --danger:#E5484D;
  --radius-card:16px;
  --radius-img:12px;
  --radius-badge:8px;
  --radius-pill:999px;
  --shadow-1:0 1px 2px rgba(20,11,38,.06);
  --shadow-2:0 8px 24px rgba(20,11,38,.08);
  --shadow-3:0 12px 32px rgba(0,0,0,.5);
  --container:1200px;
  --pad:32px;
  --sp-section:96px;
  --font:"Source Han Sans SC","Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*{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:1.75;
  color:var(--ink-900);
  background:var(--paper-50);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--radius-img);}
a{color:var(--brand-700);text-decoration:none;transition:color .18s ease,background-color .18s ease,border-color .18s ease;}
a:hover{color:var(--brand-600);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
button,input{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
table{border-collapse:collapse;width:100%;}
:focus-visible{outline:3px solid var(--lime-400);outline-offset:2px;border-radius:4px;}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--brand-700);color:#fff;padding:10px 18px;border-radius:0 0 12px 0;z-index:999;}
.skip-link:focus{left:0;color:#fff;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 var(--pad);}
.section{padding:var(--sp-section) 0;}
.section-alt{background:var(--paper-100);}
.section-head{margin-bottom:40px;}
.section-head.row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;}
.section-title{font-size:32px;line-height:1.38;font-weight:700;color:var(--ink-900);}
.section-sub{margin-top:12px;font-size:16px;color:var(--ink-500);max-width:720px;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;height:26px;padding:0 12px;border-radius:var(--radius-badge);background:var(--brand-100);color:var(--brand-700);font-size:12px;line-height:18px;font-weight:500;}
.more-link{font-size:14px;font-weight:500;color:var(--brand-700);border-bottom:1px solid rgba(91,43,217,.35);padding-bottom:2px;}
.more-link:hover{color:var(--brand-600);border-color:var(--brand-600);}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:50px;padding:0 28px;border-radius:var(--radius-pill);font-size:16px;font-weight:700;line-height:1;transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;white-space:nowrap;}
.btn-primary{background:linear-gradient(135deg,var(--amber-500),var(--amber-400));color:#2A1160;box-shadow:0 8px 20px rgba(255,122,47,.25);}
.btn-primary:hover{color:#2A1160;transform:translateY(-2px);box-shadow:0 12px 28px rgba(255,122,47,.35);filter:brightness(1.06);}
.btn-primary:active{transform:translateY(0) scale(.99);}
.btn-ghost{background:transparent;border:1.5px solid var(--brand-600);color:var(--brand-700);}
.btn-ghost:hover{background:rgba(91,43,217,.08);color:var(--brand-700);}
.btn-dark-ghost{background:transparent;border:1px solid rgba(255,255,255,.28);color:#fff;}
.btn-dark-ghost:hover{border-color:var(--lime-400);color:var(--lime-400);}
.btn-sm{height:42px;padding:0 20px;font-size:14px;}
.btn-block{width:100%;}
.btn[disabled],.btn.is-disabled{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none;}

/* ---------- 徽章 / 标签 ---------- */
.badge{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--radius-badge);font-size:12px;line-height:18px;font-weight:500;}
.badge-cat{background:var(--brand-100);color:var(--brand-700);}
.badge-ok{background:rgba(196,245,66,.32);color:#4A6B00;}
.badge-wait{background:var(--paper-100);color:var(--ink-500);}
.badge-out{border:1px solid var(--line);color:var(--ink-500);background:transparent;}
.badge-warn{background:rgba(245,166,35,.16);color:#8A5A00;}

/* ---------- 顶部导航 ---------- */
.site-header{position:sticky;top:0;z-index:80;background:rgba(251,250,254,.92);border-bottom:1px solid var(--line);transition:box-shadow .2s ease,background-color .2s ease;}
.site-header.is-scrolled{background:#fff;box-shadow:0 6px 22px rgba(20,11,38,.09);}
.header-inner{display:flex;align-items:center;gap:24px;height:76px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{width:38px;height:38px;border-radius:10px;background:linear-gradient(140deg,var(--brand-600),var(--brand-900));color:var(--lime-400);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:18px;clip-path:polygon(0 0,100% 0,100% calc(100% - 10px),calc(100% - 10px) 100%,0 100%);}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text strong{font-size:18px;font-weight:700;color:var(--ink-900);letter-spacing:.4px;}
.brand-text em{font-style:normal;font-size:12px;color:var(--ink-500);letter-spacing:1px;}
.header-search{flex:1 1 auto;min-width:0;display:flex;flex-direction:column;gap:8px;align-items:center;}
.search-box{display:flex;align-items:center;width:100%;max-width:520px;height:48px;padding:0 6px 0 16px;border:1px solid var(--line);border-radius:var(--radius-pill);background:var(--paper-0);transition:border-color .18s ease,box-shadow .18s ease,background-color .18s ease;}
.search-box:hover{background:var(--paper-0);border-color:#D7CFF0;}
.search-box:focus-within{border-color:var(--lime-400);box-shadow:0 0 0 4px rgba(91,43,217,.15);}
.search-box svg{flex:0 0 auto;color:var(--ink-500);}
.search-box input{flex:1 1 auto;min-width:0;height:100%;border:0;background:transparent;padding:0 12px;font-size:15px;outline:none;}
.search-box input::placeholder{color:var(--ink-300);}
.search-btn{flex:0 0 auto;height:36px;padding:0 18px;border-radius:var(--radius-pill);background:var(--brand-600);color:#fff;font-size:14px;font-weight:500;transition:background-color .18s ease;}
.search-btn:hover{background:var(--amber-500);color:#2A1160;}
.nav-links{display:flex;align-items:center;gap:8px;max-width:100%;overflow-x:auto;scrollbar-width:none;}
.nav-links::-webkit-scrollbar{display:none;}
.nav-links a{flex:0 0 auto;display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:var(--radius-pill);font-size:14px;color:var(--ink-700);border:1px solid transparent;transition:all .18s ease;}
.nav-links a:hover{background:var(--paper-100);color:var(--brand-700);}
.nav-links a.is-active{background:var(--lime-400);color:var(--brand-900);font-weight:700;}
.header-actions{display:flex;align-items:center;gap:16px;flex:0 0 auto;}
.link-sub{font-size:14px;color:var(--ink-500);}
.link-sub:hover{color:var(--brand-700);}
.menu-toggle{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);align-items:center;justify-content:center;color:var(--ink-700);background:#fff;}
.menu-toggle:hover{border-color:var(--brand-600);color:var(--brand-700);}
.drawer-mask{position:fixed;inset:0;background:rgba(20,11,38,.6);opacity:0;visibility:hidden;transition:opacity .2s ease;z-index:90;}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{position:fixed;top:0;right:0;width:320px;max-width:86vw;height:100%;background:#fff;z-index:95;transform:translateX(102%);transition:transform .26s ease;padding:20px;display:flex;flex-direction:column;gap:18px;overflow-y:auto;box-shadow:-12px 0 32px rgba(20,11,38,.18);}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;}
.drawer-title{font-size:15px;font-weight:700;color:var(--ink-900);}
.drawer-close{width:38px;height:38px;border-radius:12px;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;color:var(--ink-700);}
.drawer .search-box{max-width:100%;}
.drawer-nav{display:flex;flex-direction:column;gap:8px;}
.drawer-nav a{padding:12px 14px;border-radius:12px;border:1px solid var(--line);font-size:15px;color:var(--ink-700);}
.drawer-nav a.is-active{background:var(--lime-400);color:var(--brand-900);font-weight:700;border-color:transparent;}
.drawer-foot{margin-top:auto;display:flex;flex-direction:column;gap:10px;padding-top:16px;border-top:1px solid var(--line);}

/* ---------- 内页页头 KV ---------- */
.page-hero{position:relative;background-color:var(--brand-900);background-image:linear-gradient(100deg,rgba(42,17,96,.94),rgba(75,31,176,.78)),url("/assets/images/backpic/back-1.webp");background-size:cover;background-position:center;color:#fff;overflow:hidden;}
.page-hero::after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(196,245,66,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(196,245,66,.06) 1px,transparent 1px);background-size:44px 44px;pointer-events:none;}
.page-hero .container{position:relative;z-index:2;padding-top:44px;padding-bottom:52px;}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.72);margin-bottom:22px;flex-wrap:wrap;}
.breadcrumb a{color:rgba(255,255,255,.82);}
.breadcrumb a:hover{color:var(--lime-400);}
.breadcrumb span[aria-current]{color:#fff;}
.page-hero h1{font-size:44px;line-height:1.24;font-weight:700;letter-spacing:.5px;max-width:820px;}
.page-hero .page-sub{margin-top:16px;font-size:17px;line-height:1.8;color:rgba(255,255,255,.82);max-width:680px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.hero-tags span{display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:var(--radius-pill);border:1px solid rgba(255,255,255,.24);font-size:13px;color:rgba(255,255,255,.88);}
.hero-tags span.is-lime{border-color:rgba(196,245,66,.6);color:var(--lime-400);}

/* ---------- 精选大卡 ---------- */
.feature-grid{display:grid;grid-template-columns:1.35fr 1fr 1fr;gap:24px;}
.feature-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-1);display:flex;flex-direction:column;transition:transform .2s ease,box-shadow .2s ease;}
.feature-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);}
.feature-media{position:relative;aspect-ratio:16/9;background:var(--paper-100);overflow:hidden;}
.feature-card.is-large .feature-media{aspect-ratio:4/3;}
.feature-media img{width:100%;height:100%;object-fit:cover;border-radius:0;}
.feature-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto;}
.feature-body h3{font-size:20px;line-height:1.4;font-weight:700;}
.feature-card.is-large .feature-body h3{font-size:22px;}
.feature-body p{font-size:15px;line-height:1.8;color:var(--ink-500);}
.feature-meta{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--ink-500);margin-top:auto;padding-top:8px;}
.pill-tag{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--radius-badge);background:var(--brand-100);color:var(--brand-700);font-size:12px;}

/* ---------- 筛选 chips ---------- */
.filter-bar{display:flex;align-items:center;gap:10px;flex-wrap:nowrap;overflow-x:auto;padding:6px 2px 14px;scrollbar-width:none;}
.filter-bar::-webkit-scrollbar{display:none;}
.chip{flex:0 0 auto;display:inline-flex;align-items:center;height:38px;padding:0 18px;border-radius:var(--radius-pill);border:1px solid var(--line);background:#fff;color:var(--ink-700);font-size:14px;transition:all .18s ease;}
.chip:hover{border-color:var(--brand-600);color:var(--brand-700);}
.chip.is-active{background:var(--lime-400);border-color:transparent;color:var(--brand-900);font-weight:700;}

/* ---------- 通道卡片网格 ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.entry-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-1);display:flex;flex-direction:column;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;}
.entry-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:#D7CFF0;}
.entry-card.is-hidden{display:none;}
.entry-cover{aspect-ratio:16/9;background:var(--paper-100);overflow:hidden;}
.entry-cover img{width:100%;height:100%;object-fit:cover;border-radius:0;}
.entry-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto;}
.entry-body h3{font-size:18px;line-height:1.5;font-weight:700;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.entry-body p{font-size:15px;line-height:1.8;color:var(--ink-500);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.entry-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:12px;border-top:1px solid var(--line);font-size:13px;color:var(--ink-500);}
.entry-foot a{font-weight:500;}
.empty-state{display:none;padding:56px 24px;text-align:center;border:1px dashed var(--line);border-radius:var(--radius-card);background:#fff;color:var(--ink-500);}
.empty-state.is-show{display:block;}
.empty-state strong{display:block;font-size:18px;color:var(--ink-900);margin-bottom:8px;}

/* ---------- 进度与统计 ---------- */
.stat-row{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:36px;}
.stat-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:22px;box-shadow:var(--shadow-1);}
.stat-num{font-size:30px;font-weight:700;color:var(--brand-700);font-variant-numeric:tabular-nums;line-height:1.2;}
.stat-label{font-size:14px;color:var(--ink-500);margin-top:6px;}
.progress-line{margin-top:26px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:22px;box-shadow:var(--shadow-1);}
.progress-line .bar{height:10px;border-radius:var(--radius-pill);background:var(--brand-100);overflow:hidden;margin-top:12px;}
.progress-line .bar span{display:block;height:100%;width:68%;border-radius:var(--radius-pill);background:linear-gradient(90deg,var(--lime-400),var(--lime-600));}
.progress-head{display:flex;align-items:center;justify-content:space-between;font-size:15px;font-weight:500;}
.progress-head b{font-variant-numeric:tabular-nums;color:var(--brand-700);}

/* ---------- 步骤卡 ---------- */
.steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;position:relative;}
.step-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:24px 22px 24px 26px;box-shadow:var(--shadow-1);}
.step-card::before{content:"";position:absolute;left:0;top:22px;bottom:22px;width:3px;border-radius:3px;background:var(--lime-400);}
.step-num{font-size:40px;font-weight:700;line-height:1;color:var(--lime-400);font-variant-numeric:tabular-nums;}
.step-card h3{margin-top:12px;font-size:18px;font-weight:700;line-height:1.5;}
.step-card p{margin-top:10px;font-size:15px;line-height:1.8;color:var(--ink-500);}

/* ---------- 深色任务区 ---------- */
.deep-band{position:relative;background:var(--brand-900);color:#fff;overflow:hidden;}
.deep-band::before{content:"";position:absolute;width:620px;height:620px;right:-160px;top:-220px;border-radius:50%;background:radial-gradient(circle,rgba(91,43,217,.75),rgba(42,17,96,0) 70%);}
.deep-band::after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(196,245,66,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(196,245,66,.06) 1px,transparent 1px);background-size:44px 44px;}
.deep-band>.container{position:relative;z-index:2;}
.deep-grid{display:grid;grid-template-columns:0.9fr 1.1fr;gap:40px;align-items:start;}
.deep-card{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.16);border-radius:var(--radius-card);padding:28px;clip-path:polygon(0 0,100% 0,100% calc(100% - 14px),calc(100% - 14px) 100%,0 100%);box-shadow:0 12px 32px rgba(0,0,0,.5);}
.deep-card h2{font-size:32px;line-height:1.38;font-weight:700;}
.deep-card p{margin-top:14px;font-size:16px;line-height:1.85;color:rgba(255,255,255,.78);}
.deep-value{display:flex;align-items:baseline;gap:14px;margin-top:24px;}
.deep-value b{font-size:44px;font-weight:700;color:var(--lime-400);font-variant-numeric:tabular-nums;line-height:1;}
.deep-value span{font-size:14px;color:rgba(255,255,255,.7);}
.task-list{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.16);border-radius:var(--radius-card);padding:10px 22px;clip-path:polygon(0 0,100% 0,100% calc(100% - 14px),calc(100% - 14px) 100%,0 100%);}
.task-item{display:flex;align-items:center;gap:14px;padding:18px 0;border-bottom:1px solid rgba(255,255,255,.12);}
.task-item:last-child{border-bottom:0;}
.task-check{flex:0 0 auto;width:22px;height:22px;border-radius:6px;border:1.5px solid rgba(255,255,255,.4);display:flex;align-items:center;justify-content:center;color:var(--brand-900);font-size:13px;font-weight:700;}
.task-check.done{background:var(--lime-400);border-color:var(--lime-400);}
.task-main{flex:1 1 auto;min-width:0;}
.task-main strong{display:block;font-size:16px;font-weight:500;color:#fff;}
.task-main span{font-size:13px;color:rgba(255,255,255,.66);}
.task-item .badge{flex:0 0 auto;}

/* ---------- 图文对照 ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;}
.split-media{background:var(--paper-100);border-radius:var(--radius-card);overflow:hidden;border:1px solid var(--line);}
.split-media img{width:100%;height:100%;aspect-ratio:4/3;object-fit:cover;border-radius:0;}
.split-text h2{font-size:32px;line-height:1.4;font-weight:700;}
.split-text>p{margin-top:14px;font-size:17px;line-height:1.9;color:var(--ink-700);}
.check-list{margin-top:22px;display:flex;flex-direction:column;gap:14px;}
.check-list li{display:flex;gap:12px;font-size:16px;line-height:1.75;color:var(--ink-700);}
.check-list li::before{content:"";flex:0 0 auto;width:20px;height:20px;margin-top:5px;border-radius:6px;background:rgba(196,245,66,.5);border:1px solid var(--lime-600);}

/* ---------- FAQ ---------- */
.faq{max-width:900px;margin:0 auto;display:flex;flex-direction:column;gap:12px;}
.faq-item{border:1px solid var(--line);border-radius:var(--radius-img);background:#fff;overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;}
.faq-item.is-open{border-color:#D7CFF0;box-shadow:var(--shadow-1);}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;text-align:left;padding:20px 22px;font-size:17px;font-weight:500;color:var(--ink-900);position:relative;transition:background-color .18s ease;}
.faq-q:hover{background:var(--paper-50);}
.faq-item.is-open .faq-q::before{content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:3px;background:var(--lime-400);}
.faq-q i{flex:0 0 auto;font-style:normal;font-size:20px;color:var(--brand-700);transition:transform .2s ease;line-height:1;}
.faq-item.is-open .faq-q i{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .22s ease;}
.faq-a p{padding:0 22px 20px;font-size:15px;line-height:1.8;color:var(--ink-500);}

/* ---------- CTA 带 ---------- */
.cta-band{background:var(--brand-900);border-top:1px solid var(--lime-400);border-bottom:1px solid rgba(196,245,66,.4);color:#fff;padding:64px 0;position:relative;overflow:hidden;}
.cta-band::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 20% 20%,rgba(91,43,217,.7),rgba(42,17,96,0) 60%);}
.cta-band .container{position:relative;z-index:2;text-align:center;}
.cta-band h2{font-size:32px;font-weight:700;line-height:1.4;}
.cta-band p{margin:14px auto 28px;font-size:16px;line-height:1.85;color:rgba(255,255,255,.8);max-width:640px;}
.cta-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-900);color:rgba(255,255,255,.72);padding:64px 0 28px;}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,.12);}
.footer-brand .brand-text strong{color:#fff;}
.footer-brand .brand-text em{color:rgba(255,255,255,.6);}
.footer-brand p{margin-top:16px;font-size:15px;line-height:1.85;max-width:360px;color:rgba(255,255,255,.66);}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.7);}
.footer-col a:hover{color:var(--lime-400);}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-top:24px;font-size:13px;color:rgba(255,255,255,.55);}

/* ---------- 响应式 ---------- */
@media (max-width:1439px){:root{--container:1140px;}}
@media (max-width:1199px){
  :root{--pad:24px;--sp-section:80px;}
  .feature-grid{grid-template-columns:1fr 1fr;}
  .feature-card.is-large{grid-column:span 2;}
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .stat-row{grid-template-columns:repeat(2,1fr);}
  .steps-grid{grid-template-columns:repeat(2,1fr);}
  .deep-grid{grid-template-columns:1fr;gap:28px;}
  .footer-top{grid-template-columns:1.4fr 1fr 1fr;}
}
@media (max-width:1023px){
  .header-actions .link-sub{display:none;}
  .header-search{display:none;}
  .menu-toggle{display:flex;}
  .header-inner{justify-content:space-between;}
  .page-hero h1{font-size:34px;}
  .split{grid-template-columns:1fr;gap:28px;}
  .section-title,.split-text h2,.deep-card h2,.cta-band h2{font-size:26px;}
}
@media (max-width:767px){
  :root{--pad:16px;--sp-section:56px;}
  body{font-size:16px;}
  .brand-text strong{font-size:16px;}
  .brand-text em{font-size:11px;}
  .page-hero .container{padding-top:32px;padding-bottom:40px;}
  .page-hero h1{font-size:28px;}
  .page-hero .page-sub{font-size:15px;}
  .feature-grid{grid-template-columns:1fr;}
  .feature-card.is-large{grid-column:auto;}
  .card-grid{grid-template-columns:1fr;}
  .stat-row{grid-template-columns:1fr 1fr;gap:14px;}
  .steps-grid{grid-template-columns:1fr;}
  .section-title,.split-text h2,.deep-card h2,.cta-band h2{font-size:24px;}
  .cta-actions .btn{width:100%;}
  .footer-top{grid-template-columns:1fr 1fr;gap:26px;}
  .footer-brand{grid-column:span 2;}
}
@media (max-width:479px){
  .stat-row{grid-template-columns:1fr;}
  .footer-top{grid-template-columns:1fr;}
  .footer-brand{grid-column:span 1;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .entry-foot{flex-wrap:wrap;}
}

/* roulang page: category2 */
:root{
  --brand-900:#2A1160;
  --brand-700:#4B1FB0;
  --brand-600:#5B2BD9;
  --brand-100:#EDE7FF;
  --lime-400:#C4F542;
  --lime-600:#8FBE19;
  --amber-500:#FF7A2F;
  --amber-400:#FFB03A;
  --ink-900:#140B26;
  --ink-700:#3A3350;
  --ink-500:#6B6480;
  --ink-300:#B9B3CC;
  --paper-0:#FFFFFF;
  --paper-50:#FBFAFE;
  --paper-100:#F4F1FA;
  --line:#E6E1F2;
  --ok:#2FBF71;
  --warn:#F5A623;
  --danger:#E5484D;
  --radius-card:16px;
  --radius-img:12px;
  --radius-pill:999px;
  --shadow-1:0 1px 2px rgba(20,11,38,.06);
  --shadow-2:0 8px 24px rgba(20,11,38,.08);
  --shadow-dark:0 12px 32px rgba(0,0,0,.5);
  --sp-1:4px; --sp-2:8px; --sp-3:12px; --sp-4:16px; --sp-5:24px; --sp-6:32px; --sp-7:48px; --sp-8:64px; --sp-9:96px;
  --font-sans:"Source Han Sans SC","Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  color:var(--ink-900);
  background:var(--paper-50);
  font-weight:400;
}
img{max-width:100%;display:block;border-style:none;}
a{color:var(--brand-600);text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease;}
a:hover{color:var(--brand-900);}
button,input{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;border:none;background:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:3px solid var(--lime-400);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
.tnum{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:var(--paper-0);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease,background-color .25s ease;
}
.site-header.is-scrolled{box-shadow:0 8px 24px rgba(20,11,38,.1);background:var(--paper-0);}
.header-main{display:flex;align-items:center;gap:24px;height:76px;}
.brand{display:flex;align-items:center;gap:10px;flex:none;}
.brand-mark{width:42px;height:42px;flex:none;}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-name{font-size:17px;font-weight:700;color:var(--brand-900);letter-spacing:.5px;}
.brand-sub{font-size:12px;color:var(--ink-500);letter-spacing:.5px;}
.search-box{position:relative;flex:1 1 auto;max-width:520px;}
.search-box .search-icon{
  position:absolute;left:18px;top:50%;transform:translateY(-50%);
  width:18px;height:18px;color:var(--ink-500);pointer-events:none;
}
.search-box input{
  width:100%;height:48px;border-radius:var(--radius-pill);
  border:1px solid var(--line);background:var(--paper-50);
  padding:0 118px 0 46px;font-size:15px;color:var(--ink-900);
  transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease;
}
.search-box input::placeholder{color:var(--ink-300);}
.search-box input:hover{background:var(--paper-100);}
.search-box input:focus{
  outline:none;background:var(--paper-0);
  border-color:var(--lime-400);
  box-shadow:0 0 0 4px rgba(91,43,217,.15);
}
.search-btn{
  position:absolute;right:6px;top:50%;transform:translateY(-50%);
  height:36px;padding:0 20px;border-radius:var(--radius-pill);
  background:var(--brand-600);color:#fff;font-size:14px;font-weight:500;
  transition:background-color .2s ease,transform .2s ease;
}
.search-btn:hover{background:var(--amber-500);}
.search-btn:active{transform:translateY(-50%) scale(.98);}
.header-side{display:flex;align-items:center;gap:20px;flex:none;}
.header-side a{font-size:14px;color:var(--ink-700);}
.header-side a:hover{color:var(--brand-600);}
.mobile-actions{display:none;align-items:center;gap:8px;}
.icon-btn{
  width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:var(--radius-pill);border:1px solid var(--line);background:var(--paper-0);
  color:var(--brand-900);transition:border-color .2s ease,background-color .2s ease;
}
.icon-btn:hover{border-color:var(--brand-600);background:var(--brand-100);}
.nav-chips{
  border-top:1px solid var(--line);
  background:var(--paper-0);
}
.nav-links{
  display:flex;align-items:center;gap:10px;
  overflow-x:auto;padding:10px 0;scrollbar-width:none;
}
.nav-links::-webkit-scrollbar{display:none;}
.nav-links a{
  flex:none;display:inline-flex;align-items:center;height:34px;padding:0 18px;
  border-radius:var(--radius-pill);font-size:14px;font-weight:500;
  color:var(--ink-700);border:1px solid var(--line);background:var(--paper-50);
  transition:all .2s ease;white-space:nowrap;
}
.nav-links a:hover{color:var(--brand-600);border-color:var(--brand-600);background:var(--brand-100);}
.nav-links a.is-active{background:var(--lime-400);border-color:var(--lime-400);color:var(--brand-900);font-weight:700;}

/* 移动端抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(20,11,38,.6);
  opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;z-index:90;
}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(340px,86vw);z-index:100;
  background:var(--paper-0);box-shadow:-16px 0 40px rgba(20,11,38,.28);
  transform:translateX(102%);transition:transform .28s ease;
  padding:20px 20px 32px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;}
.drawer-title{font-size:16px;font-weight:700;color:var(--brand-900);}
.drawer-search{position:relative;margin-bottom:20px;}
.drawer-search input{
  width:100%;height:48px;border-radius:var(--radius-pill);border:1px solid var(--line);
  background:var(--paper-50);padding:0 16px 0 44px;font-size:15px;
}
.drawer-search input:focus{outline:none;border-color:var(--brand-600);box-shadow:0 0 0 4px rgba(91,43,217,.15);}
.drawer-search svg{position:absolute;left:16px;top:50%;transform:translateY(-50%);width:18px;height:18px;color:var(--ink-500);}
.drawer-label{font-size:12px;color:var(--ink-500);letter-spacing:1px;margin:18px 0 10px;}
.drawer-list{display:flex;flex-direction:column;gap:8px;}
.drawer-list a{
  display:block;padding:12px 16px;border-radius:var(--radius-pill);
  border:1px solid var(--line);font-size:15px;color:var(--ink-700);
}
.drawer-list a.is-active{background:var(--lime-400);border-color:var(--lime-400);color:var(--brand-900);font-weight:700;}

/* ============ 页头 KV ============ */
.page-kv{
  position:relative;overflow:hidden;
  background-color:var(--brand-900);
  background-image:linear-gradient(120deg,rgba(42,17,96,.94) 0%,rgba(75,31,176,.82) 55%,rgba(42,17,96,.9) 100%),url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
  color:#fff;padding:56px 0 48px;
}
.page-kv::after{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(196,245,66,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(196,245,66,.06) 1px,transparent 1px);
  background-size:48px 48px;pointer-events:none;
}
.page-kv .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,.66);margin-bottom:18px;}
.crumb a{color:rgba(255,255,255,.8);}
.crumb a:hover{color:var(--lime-400);}
.crumb .sep{color:rgba(255,255,255,.36);}
.crumb .current{color:var(--lime-400);}
.page-kv h1{
  font-size:44px;line-height:1.27;font-weight:700;letter-spacing:.5px;margin-bottom:14px;
}
.page-kv .kv-sub{
  font-size:16px;line-height:1.75;color:rgba(255,255,255,.82);max-width:720px;
}
.kv-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.kv-tag{
  display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 14px;
  border-radius:var(--radius-pill);font-size:12px;
  border:1px solid rgba(196,245,66,.5);color:var(--lime-400);background:rgba(196,245,66,.08);
}

/* ============ 统计条 ============ */
.stat-bar{background:var(--paper-0);border-bottom:1px solid var(--line);}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding:26px 0;}
.stat-item{display:flex;flex-direction:column;gap:2px;border-left:3px solid var(--lime-400);padding-left:14px;}
.stat-num{font-size:26px;font-weight:700;color:var(--brand-900);letter-spacing:.5px;}
.stat-num span{font-size:14px;font-weight:500;color:var(--ink-500);margin-left:2px;}
.stat-label{font-size:13px;color:var(--ink-500);}

/* ============ 主体布局 ============ */
.main-wrap{padding:64px 0 80px;}
.layout{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:48px;align-items:start;}
.section-head{margin-bottom:28px;}
.section-head h2{
  font-size:32px;line-height:1.4;font-weight:700;color:var(--ink-900);margin-bottom:10px;
}
.section-head p{font-size:15px;color:var(--ink-500);max-width:700px;}
.block{margin-bottom:72px;}
.block:last-child{margin-bottom:0;}

/* 时间轴 */
.timeline{position:relative;padding-left:38px;}
.timeline::before{
  content:"";position:absolute;left:9px;top:10px;bottom:14px;width:2px;
  background:linear-gradient(180deg,var(--lime-400) 0%,var(--brand-600) 62%,rgba(91,43,217,0) 100%);
}
.tl-item{position:relative;margin-bottom:28px;}
.tl-item:last-child{margin-bottom:0;}
.tl-item::before{
  content:"";position:absolute;left:-37px;top:22px;width:12px;height:12px;border-radius:50%;
  background:var(--paper-0);border:3px solid var(--lime-400);box-sizing:content-box;
}
.tl-item.is-done::before{background:var(--lime-400);}
.tl-card{
  display:grid;grid-template-columns:200px minmax(0,1fr);gap:20px;
  background:var(--paper-0);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:20px;box-shadow:var(--shadow-1);
  transition:box-shadow .22s ease,transform .22s ease,border-color .22s ease;
}
.tl-card:hover{box-shadow:var(--shadow-2);transform:translateY(-2px);border-color:var(--brand-100);}
.tl-cover{
  border-radius:var(--radius-img);overflow:hidden;background:var(--paper-100);aspect-ratio:16/9;
}
.tl-cover img{width:100%;height:100%;object-fit:cover;object-position:center;}
.tl-body{display:flex;flex-direction:column;gap:10px;min-width:0;}
.tl-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:var(--ink-500);}
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:8px;
  font-size:12px;font-weight:500;line-height:1;
}
.badge-soft{background:var(--brand-100);color:var(--brand-700);}
.badge-lime{background:rgba(196,245,66,.28);color:#4d6b00;}
.badge-line{border:1px solid var(--line);color:var(--ink-500);background:var(--paper-50);}
.badge-gray{background:var(--paper-100);color:var(--ink-500);}
.tl-title{font-size:19px;line-height:1.55;font-weight:700;color:var(--ink-900);}
.tl-title a{color:inherit;}
.tl-title a:hover{color:var(--brand-600);}
.tl-text{font-size:14.5px;line-height:1.8;color:var(--ink-500);}
.tl-foot{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;margin-top:2px;}
.progress-mini{display:flex;align-items:center;gap:10px;flex:1 1 200px;max-width:280px;}
.progress-track{flex:1;height:10px;border-radius:var(--radius-pill);background:var(--brand-100);overflow:hidden;}
.progress-fill{height:100%;border-radius:var(--radius-pill);background:linear-gradient(90deg,var(--lime-400),var(--lime-600));}
.progress-value{font-size:13px;font-weight:700;color:var(--brand-700);}
.tl-link{font-size:14px;font-weight:500;color:var(--brand-600);display:inline-flex;align-items:center;gap:6px;}
.tl-link:hover{color:var(--amber-500);}

/* 奖励阶梯清单（第二种卡片形态） */
.ladder{background:var(--brand-900);border-radius:var(--radius-card);padding:28px;color:#fff;position:relative;overflow:hidden;}
.ladder::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(196,245,66,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(196,245,66,.06) 1px,transparent 1px);
  background-size:40px 40px;pointer-events:none;
}
.ladder-head{position:relative;z-index:1;margin-bottom:22px;}
.ladder-head h3{font-size:22px;line-height:1.5;font-weight:700;margin-bottom:6px;}
.ladder-head p{font-size:14px;color:rgba(255,255,255,.7);}
.ladder-list{position:relative;z-index:1;display:flex;flex-direction:column;gap:12px;}
.ladder-row{
  display:grid;grid-template-columns:56px minmax(0,1fr) auto;gap:16px;align-items:center;
  background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.14);
  border-radius:14px;padding:14px 18px;
  clip-path:polygon(0 0,100% 0,100% calc(100% - 14px),calc(100% - 14px) 100%,0 100%);
  transition:border-color .22s ease,background-color .22s ease;
}
.ladder-row:hover{border-color:var(--lime-400);background:rgba(196,245,66,.07);}
.ladder-no{
  font-size:26px;font-weight:700;color:var(--lime-400);line-height:1;
  font-variant-numeric:tabular-nums;
}
.ladder-name{font-size:16px;font-weight:700;color:#fff;margin-bottom:4px;}
.ladder-desc{font-size:13.5px;color:rgba(255,255,255,.68);line-height:1.7;}

/* 侧栏 */
.sidebar{position:sticky;top:150px;display:flex;flex-direction:column;gap:22px;}
.side-card{
  background:var(--paper-0);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:22px;box-shadow:var(--shadow-1);
}
.side-card h3{font-size:17px;font-weight:700;color:var(--ink-900);margin-bottom:14px;}
.side-links{display:flex;flex-direction:column;gap:10px;}
.side-links a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:12px 14px;border-radius:12px;border:1px solid var(--line);
  font-size:14.5px;color:var(--ink-700);background:var(--paper-50);
  transition:all .2s ease;
}
.side-links a:hover{border-color:var(--brand-600);background:var(--brand-100);color:var(--brand-700);}
.side-links a.is-current{background:var(--lime-400);border-color:var(--lime-400);color:var(--brand-900);font-weight:700;}
.side-links a span.arrow{color:var(--ink-300);font-size:16px;}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px;}
.tag-cloud a{
  display:inline-flex;align-items:center;height:30px;padding:0 12px;border-radius:var(--radius-pill);
  font-size:13px;color:var(--ink-700);background:var(--paper-100);border:1px solid transparent;
  transition:all .2s ease;
}
.tag-cloud a:hover{background:var(--brand-100);color:var(--brand-700);border-color:var(--brand-600);}
.side-progress{display:flex;flex-direction:column;gap:8px;}
.side-progress .top{display:flex;align-items:baseline;justify-content:space-between;}
.side-progress .top strong{font-size:26px;color:var(--brand-900);}
.side-progress .top small{font-size:12px;color:var(--ink-500);}
.milestones{display:flex;justify-content:space-between;margin-top:6px;}
.milestone{display:flex;flex-direction:column;align-items:center;gap:6px;font-size:12px;color:var(--ink-500);}
.milestone i{width:12px;height:12px;border-radius:50%;background:var(--paper-100);border:1px solid var(--line);display:block;}
.milestone.is-on i{background:var(--lime-400);border-color:var(--lime-600);}
.quick-faq{display:flex;flex-direction:column;gap:10px;}
.quick-faq a{
  display:block;font-size:14px;line-height:1.7;color:var(--ink-700);
  padding-left:14px;position:relative;
}
.quick-faq a::before{
  content:"";position:absolute;left:0;top:8px;width:3px;height:14px;border-radius:2px;background:var(--lime-400);
}
.quick-faq a:hover{color:var(--brand-600);}

/* FAQ 手风琴 */
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{border:1px solid var(--line);border-radius:12px;background:var(--paper-0);overflow:hidden;transition:border-color .2s ease;}
.faq-item.is-open{border-color:var(--brand-600);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;text-align:left;font-size:17px;font-weight:500;color:var(--ink-900);
  background:var(--paper-0);transition:background-color .2s ease;
}
.faq-q:hover{background:var(--paper-50);}
.faq-item.is-open .faq-q{background:var(--paper-50);}
.faq-q i{
  flex:none;width:22px;height:22px;border-radius:50%;border:1px solid var(--line);
  display:inline-flex;align-items:center;justify-content:center;font-style:normal;
  font-size:14px;color:var(--brand-600);transition:transform .2s ease,background-color .2s ease;
}
.faq-item.is-open .faq-q i{background:var(--lime-400);border-color:var(--lime-400);color:var(--brand-900);transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .2s ease;}
.faq-a-inner{
  padding:0 20px 20px;font-size:15px;line-height:1.8;color:var(--ink-500);
  border-left:3px solid var(--lime-400);margin-left:20px;padding-left:16px;
}
.faq-item.is-open .faq-a{max-height:420px;}

/* CTA 带 */
.cta-band{
  background:var(--brand-900);position:relative;overflow:hidden;
  border-top:1px solid var(--lime-400);border-bottom:1px solid var(--lime-400);
  padding:56px 0;text-align:center;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(circle at 20% 20%,rgba(91,43,217,.55),transparent 55%),
                   radial-gradient(circle at 82% 76%,rgba(196,245,66,.14),transparent 50%);
  pointer-events:none;
}
.cta-band .container{position:relative;z-index:1;}
.cta-band h2{font-size:28px;line-height:1.5;font-weight:700;color:#fff;margin-bottom:10px;}
.cta-band p{font-size:15px;color:rgba(255,255,255,.74);max-width:620px;margin:0 auto 26px;}
.cta-actions{display:flex;flex-wrap:wrap;justify-content:center;gap:14px;}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:50px;padding:0 28px;border-radius:var(--radius-pill);
  font-size:15px;font-weight:700;line-height:1;border:1.5px solid transparent;
  transition:all .2s ease;white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg,var(--amber-500),var(--amber-400));
  color:var(--ink-900);box-shadow:0 8px 20px rgba(255,122,47,.28);
}
.btn-primary:hover{color:var(--ink-900);filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 12px 28px rgba(255,122,47,.35);}
.btn-primary:active{transform:translateY(0) scale(.99);}
.btn-outline{border-color:var(--brand-600);color:var(--brand-600);background:transparent;}
.btn-outline:hover{background:rgba(91,43,217,.08);color:var(--brand-700);}
.btn-ghost{border-color:rgba(255,255,255,.28);color:#fff;background:transparent;}
.btn-ghost:hover{border-color:var(--lime-400);color:var(--lime-400);}
.btn:disabled{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none;}

/* 页脚 */
.site-footer{background:var(--ink-900);color:rgba(255,255,255,.72);padding:56px 0 26px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;padding-bottom:34px;border-bottom:1px solid rgba(255,255,255,.12);}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand .brand-name{color:#fff;font-size:17px;font-weight:700;}
.footer-brand .brand-sub{color:rgba(255,255,255,.55);font-size:12px;}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);max-width:420px;}
.footer-col h3{font-size:14px;font-weight:700;color:#fff;letter-spacing:1px;margin-bottom:16px;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.68);}
.footer-col a:hover{color:var(--lime-400);}
.footer-bottom{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;padding-top:22px;font-size:13px;color:rgba(255,255,255,.45);}
.footer-bottom a{color:rgba(255,255,255,.55);}
.footer-bottom a:hover{color:var(--lime-400);}

/* ============ 响应式 ============ */
@media (max-width:1439px){
  .container{max-width:1140px;}
  .layout{gap:36px;grid-template-columns:minmax(0,1fr) 320px;}
}
@media (max-width:1199px){
  .layout{grid-template-columns:1fr;}
  .sidebar{position:static;top:auto;flex-direction:row;flex-wrap:wrap;}
  .sidebar .side-card{flex:1 1 300px;}
}
@media (max-width:1023px){
  .container{padding:0 24px;}
  .header-side{display:none;}
  .mobile-actions{display:flex;}
  .search-box{display:none;}
  .header-main{height:64px;justify-content:space-between;}
  .page-kv h1{font-size:32px;}
  .main-wrap{padding:48px 0 64px;}
  .block{margin-bottom:56px;}
  .section-head h2{font-size:24px;}
  .stat-grid{grid-template-columns:repeat(2,1fr);gap:18px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .nav-chips{display:none;}
  .page-kv{padding:36px 0 32px;}
  .page-kv h1{font-size:28px;line-height:1.35;}
  .page-kv .kv-sub{font-size:15px;}
  .timeline{padding-left:26px;}
  .timeline::before{left:5px;}
  .tl-item::before{left:-25px;top:20px;width:10px;height:10px;border-width:2px;}
  .tl-card{grid-template-columns:1fr;padding:16px;}
  .tl-title{font-size:17px;}
  .ladder{padding:20px;}
  .ladder-row{grid-template-columns:44px minmax(0,1fr);gap:12px;padding:14px;}
  .ladder-row .badge{grid-column:2;}
  .ladder-no{font-size:22px;}
  .sidebar{flex-direction:column;}
  .cta-band h2{font-size:22px;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .stat-grid{grid-template-columns:1fr 1fr;}
  .stat-num{font-size:22px;}
}
@media (max-width:479px){
  .stat-grid{grid-template-columns:1fr;}
  .kv-tags{display:none;}
  .tl-meta .badge-line{display:none;}
}