/* roulang page: index */
:root{
  --ink-950:#06120E;
  --ink-900:#0A1B15;
  --ink-800:#102A21;
  --brand-700:#0B6B48;
  --brand-600:#12855A;
  --brand-500:#17A06B;
  --brand-300:#7FE3B4;
  --accent-500:#FF6A2B;
  --accent-300:#FFB08A;
  --lime-400:#D6F25A;
  --paper-0:#FFFFFF;
  --paper-50:#F4F8F5;
  --paper-100:#E9F1EB;
  --line:#DCE7DF;
  --text-900:#0A1A14;
  --text-700:#33463D;
  --text-600:#5A6B62;
  --text-inv:#EAF4EE;
  --danger:#D64B39;
  --success:#12855A;
  --radius-card:16px;
  --radius-sm:10px;
  --radius-input:12px;
  --shadow-1:0 1px 2px rgba(6,18,14,.06),0 8px 24px -12px rgba(6,18,14,.18);
  --shadow-2:0 18px 40px -18px rgba(6,18,14,.30);
  --font-sans:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-mono:"SF Mono","JetBrains Mono",ui-monospace,Menlo,Consolas,monospace;
  --header-h:72px;
}
*,*::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:1.85;
  color:var(--text-700);
  background:var(--paper-0);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
img{max-width:100%;display:block;}
a{color:var(--brand-700);text-decoration:none;text-underline-offset:3px;transition:color .2s ease;}
a:hover{color:var(--accent-500);}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;border-radius:4px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
@media (min-width:1440px){.container{max-width:1240px;}}
.mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums;}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:120;
  background:var(--paper-0);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:var(--shadow-1);}
.header-inner{
  display:flex;align-items:center;gap:28px;
  height:var(--header-h);
  transition:height .25s ease;
}
.site-header.is-scrolled .header-inner{height:60px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;
  background:var(--brand-700);color:#fff;
  font-family:var(--font-mono);font-size:13px;font-weight:700;letter-spacing:.02em;
  border-radius:9px;
  clip-path:polygon(0 0,100% 0,100% 72%,78% 100%,0 100%);
}
.brand-name{
  font-size:17px;font-weight:700;letter-spacing:-.01em;color:var(--text-900);
  white-space:nowrap;
}
.primary-nav{display:flex;align-items:center;gap:4px;margin-left:8px;}
.primary-nav a{
  position:relative;
  display:inline-flex;align-items:center;
  height:38px;padding:0 14px;
  font-size:15px;font-weight:500;color:var(--text-700);
  border-radius:var(--radius-sm);
  transition:color .2s ease,background .2s ease;
}
.primary-nav a:hover{color:var(--brand-700);background:var(--paper-50);}
.primary-nav a[aria-current="page"]{color:var(--brand-700);font-weight:600;}
.primary-nav a[aria-current="page"]::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:var(--brand-700);border-radius:2px;
}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;
  font-size:15px;font-weight:600;line-height:1;
  border-radius:999px;
  transition:transform .2s ease,background .2s ease,box-shadow .2s ease,color .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--brand-700);color:#fff;box-shadow:var(--shadow-1);}
.btn-primary:hover{background:var(--brand-600);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-primary:active{transform:translateY(0);background:var(--brand-700);}
.btn-ghost{
  background:transparent;color:var(--brand-700);
  border:1.5px solid var(--brand-700);
}
.btn-ghost:hover{background:rgba(23,160,107,.08);color:var(--brand-700);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(0);}
.btn-sm{height:40px;padding:0 20px;font-size:14px;}
.btn[disabled],.btn.is-disabled{opacity:.4;pointer-events:none;}
.btn-light{background:#fff;color:var(--ink-950);}
.btn-light:hover{background:var(--brand-300);color:var(--ink-950);transform:translateY(-1px);}
.btn-outline-light{border:1.5px solid rgba(255,255,255,.45);color:#fff;background:transparent;}
.btn-outline-light:hover{border-color:var(--brand-300);color:var(--brand-300);background:rgba(255,255,255,.06);}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand-700);}
.link-arrow svg{transition:transform .2s ease;}
.link-arrow:hover svg{transform:translateX(4px);}

/* Mega 面板 */
.mega-wrap{position:relative;}
.mega-toggle{
  display:inline-flex;align-items:center;gap:6px;
  height:40px;padding:0 15px;
  font-size:14px;font-weight:600;color:var(--text-700);
  border:1px solid var(--line);border-radius:999px;
  transition:color .2s ease,border-color .2s ease,background .2s ease;
}
.mega-toggle:hover{color:var(--brand-700);border-color:var(--brand-300);background:var(--paper-50);}
.mega-toggle svg{transition:transform .25s ease;}
.mega-wrap:hover .mega-toggle svg,.mega-wrap:focus-within .mega-toggle svg{transform:rotate(180deg);}
.mega-panel{
  position:absolute;top:calc(100% + 8px);right:0;width:720px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-2);
  padding:24px;
  display:grid;grid-template-columns:1.1fr .9fr;gap:24px;
  opacity:0;visibility:hidden;transform:translateY(-6px);
  transition:opacity .2s ease,transform .2s ease,visibility .2s;
  z-index:130;
}
.mega-wrap:hover .mega-panel,.mega-wrap:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0);}
.mega-col-title{
  font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--text-600);
  text-transform:uppercase;margin-bottom:12px;
}
.mega-list li + li{margin-top:4px;}
.mega-list a{
  display:flex;align-items:center;gap:10px;
  padding:9px 10px;border-radius:var(--radius-sm);
  color:var(--text-900);font-size:14px;font-weight:600;
  transition:background .18s ease,color .18s ease;
}
.mega-list a:hover{background:var(--paper-50);color:var(--brand-700);}
.mega-list .ico{
  width:30px;height:30px;flex:0 0 30px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:8px;background:var(--paper-100);color:var(--brand-700);
}
.mega-list small{display:block;font-size:12px;font-weight:400;color:var(--text-600);line-height:1.5;}
.mega-mini li + li{margin-top:10px;}
.mega-mini a{color:var(--text-900);font-size:14px;font-weight:600;line-height:1.5;}
.mega-mini a:hover{color:var(--brand-700);}
.mega-mini time{display:block;font-family:var(--font-mono);font-size:12px;color:var(--text-600);font-variant-numeric:tabular-nums;}
.mega-entry{
  display:block;margin-top:16px;border-radius:var(--radius-sm);overflow:hidden;
  border:1px solid var(--line);
}
.mega-entry img{aspect-ratio:16/9;width:100%;object-fit:cover;transition:transform .4s ease;}
.mega-entry:hover img{transform:translateY(-2px) scale(1.03);}
.mega-entry span{
  display:flex;align-items:center;justify-content:space-between;gap:8px;
  padding:10px 12px;font-size:13px;font-weight:600;color:var(--text-900);
}

/* 移动端抽屉 */
.nav-toggle{
  display:none;
  width:44px;height:44px;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:12px;color:var(--text-900);
}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:320px;max-width:86vw;
  background:#fff;z-index:200;
  transform:translateX(100%);transition:transform .28s ease;
  padding:20px;overflow-y:auto;
  border-left:1px solid var(--line);
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;}
.drawer-close{
  width:40px;height:40px;border-radius:10px;border:1px solid var(--line);
  display:inline-flex;align-items:center;justify-content:center;font-size:20px;color:var(--text-700);
}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:48px;padding:0 4px;
  font-size:16px;font-weight:600;color:var(--text-900);
  border-bottom:1px solid var(--line);
}
.drawer-nav a:hover{color:var(--brand-700);}
.drawer-nav a[aria-current="page"]{color:var(--brand-700);}
.drawer-cta{margin-top:20px;}
.drawer-card{
  margin-top:20px;border:1px solid var(--line);border-radius:var(--radius-sm);
  overflow:hidden;background:var(--paper-50);
}
.drawer-card img{aspect-ratio:16/10;width:100%;object-fit:cover;}
.drawer-card p{padding:12px;font-size:13px;color:var(--text-600);line-height:1.6;}
.drawer-mask{
  position:fixed;inset:0;background:rgba(6,18,14,.55);z-index:190;
  opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}

/* ============ Hero ============ */
.hero{
  position:relative;
  background-color:var(--ink-950);
  background-image:linear-gradient(100deg,rgba(6,18,14,.94) 0%,rgba(6,18,14,.80) 46%,rgba(6,18,14,.58) 100%),url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center;
  color:var(--text-inv);
  overflow:hidden;
}
.hero::before{
  content:"";position:absolute;top:-30%;right:-14%;
  width:620px;height:620px;border-radius:50%;
  border:1px solid rgba(127,227,180,.18);
  pointer-events:none;
}
.hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:rgba(255,255,255,.10);
}
.hero-inner{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.62fr 1fr;gap:56px;align-items:center;
  min-height:min(88vh,720px);
  padding:72px 0 80px;
}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;margin-bottom:22px;
  font-size:12px;font-weight:600;letter-spacing:.06em;
  color:var(--brand-300);
  border:1px solid rgba(127,227,180,.35);border-radius:8px;
  background:rgba(18,133,90,.16);
}
.hero-badge .dot{width:6px;height:6px;border-radius:50%;background:var(--lime-400);}
.hero h1{
  font-size:48px;line-height:1.2;font-weight:700;letter-spacing:-.01em;
  color:#fff;margin-bottom:20px;
}
.hero h1 em{font-style:normal;color:var(--brand-300);}
.hero-sub{
  font-size:19px;line-height:1.75;color:rgba(234,244,238,.82);
  max-width:620px;margin-bottom:32px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;}
.hero-tags span{
  display:inline-flex;align-items:center;gap:7px;
  padding:6px 12px;font-size:12.5px;color:rgba(234,244,238,.78);
  border:1px solid rgba(255,255,255,.14);border-radius:8px;
  background:rgba(255,255,255,.04);
}
.hero-tags b{font-family:var(--font-mono);font-variant-numeric:tabular-nums;color:var(--lime-400);font-weight:600;}
.hero-visual{position:relative;}
.hero-photo{
  position:relative;border-radius:var(--radius-card);overflow:hidden;
  border:1px solid rgba(255,255,255,.12);
  clip-path:polygon(0 0,100% 0,100% 100%,12% 100%);
}
.hero-photo img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.hero-photo::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,18,14,0) 40%,rgba(6,18,14,.62) 100%);
}
.score-card{
  position:absolute;left:-22px;bottom:-26px;width:258px;
  background:var(--ink-800);
  border:1px solid rgba(255,255,255,.14);
  border-radius:var(--radius-card);
  padding:16px 18px;
  box-shadow:0 24px 48px -22px rgba(0,0,0,.7);
}
.score-label{display:flex;align-items:center;justify-content:space-between;font-size:11.5px;letter-spacing:.06em;color:rgba(234,244,238,.62);margin-bottom:10px;}
.score-label .live{display:inline-flex;align-items:center;gap:5px;color:var(--lime-400);}
.score-label .live i{width:5px;height:5px;border-radius:50%;background:var(--lime-400);display:inline-block;}
.score-num{
  display:flex;align-items:baseline;gap:10px;
  font-family:var(--font-mono);font-variant-numeric:tabular-nums;
  font-size:34px;font-weight:700;color:#fff;line-height:1;margin-bottom:14px;
}
.score-num span{font-size:13px;font-weight:500;color:rgba(234,244,238,.6);}
.score-bar{height:8px;border-radius:8px;background:rgba(255,255,255,.10);overflow:hidden;}
.score-bar i{display:block;height:100%;width:68%;border-radius:8px;background:linear-gradient(90deg,var(--brand-500),var(--lime-400));}
.score-foot{display:flex;justify-content:space-between;margin-top:10px;font-size:11.5px;color:rgba(234,244,238,.6);font-family:var(--font-mono);}

/* ============ 通用板块 ============ */
.section{padding:96px 0;}
.section-tight{padding:64px 0;}
.section-light{background:var(--paper-50);}
.section-white{background:var(--paper-0);}
.section-dark{background:var(--ink-900);color:var(--text-inv);}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  margin-bottom:40px;
}
.section-head h2{
  position:relative;
  font-size:32px;line-height:1.3;font-weight:700;letter-spacing:-.01em;
  color:var(--text-900);padding-left:18px;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:7px;bottom:7px;width:4px;
  border-radius:4px;background:var(--brand-700);
}
.section-head p{margin-top:10px;font-size:15px;color:var(--text-600);max-width:640px;}
.section-dark .section-head h2{color:#fff;}
.section-dark .section-head h2::before{background:var(--brand-300);}
.section-dark .section-head p{color:rgba(234,244,238,.7);}

/* 快捷入口 */
.quick-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.quick-card{
  display:flex;flex-direction:column;gap:12px;
  padding:24px;
  background:var(--paper-0);
  border:1px solid var(--line);border-radius:var(--radius-card);
  transition:box-shadow .25s ease,transform .25s ease,border-color .25s ease;
}
.quick-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:var(--brand-300);color:inherit;}
.quick-ico{
  width:44px;height:44px;border-radius:12px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--paper-100);color:var(--text-700);
  transition:color .2s ease,background .2s ease;
}
.quick-card:hover .quick-ico{color:var(--brand-700);background:rgba(23,160,107,.12);}
.quick-card h3{font-size:17px;font-weight:600;color:var(--text-900);line-height:1.5;}
.quick-card p{font-size:13.5px;color:var(--text-600);line-height:1.7;}
.quick-card .link-arrow{font-size:13px;margin-top:auto;}

/* 最新信息 */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-bottom:24px;}
.news-card{
  display:flex;flex-direction:column;
  background:var(--paper-0);
  border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;
  transition:box-shadow .3s ease,transform .3s ease,border-color .3s ease;
  color:inherit;
}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:var(--brand-300);color:inherit;}
.news-thumb{overflow:hidden;background:linear-gradient(135deg,var(--brand-500),var(--ink-900));}
.news-thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .4s ease;}
.news-card:hover .news-thumb img{transform:scale(1.03);}
.news-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.tag{
  display:inline-flex;align-items:center;
  padding:3px 10px;border-radius:8px;
  font-size:12px;font-weight:600;letter-spacing:.04em;
  background:var(--paper-100);color:var(--brand-700);
  align-self:flex-start;
}
.tag-accent{background:rgba(255,106,43,.14);color:var(--accent-500);}
.news-body h3{
  font-size:20px;line-height:1.5;font-weight:600;color:var(--text-900);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-body p{
  font-size:14px;line-height:1.7;color:var(--text-600);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  display:flex;align-items:center;justify-content:space-between;
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  font-size:13px;color:var(--text-600);
}
.news-meta time{font-family:var(--font-mono);font-variant-numeric:tabular-nums;}
.news-meta .arrow{color:var(--brand-700);transition:transform .2s ease;}
.news-card:hover .news-meta .arrow{transform:translateX(4px);}
.news-rows{display:flex;flex-direction:column;gap:0;border-top:1px solid var(--line);}
.news-row{
  display:grid;grid-template-columns:132px 1fr auto;gap:20px;align-items:center;
  padding:16px 0;border-bottom:1px solid var(--line);
  color:inherit;transition:background .2s ease;
}
.news-row:hover{background:var(--paper-50);color:inherit;}
.news-row img{width:132px;aspect-ratio:16/10;object-fit:cover;border-radius:var(--radius-sm);background:linear-gradient(135deg,var(--brand-500),var(--ink-900));}
.news-row h3{font-size:16.5px;font-weight:600;color:var(--text-900);line-height:1.55;margin-bottom:4px;}
.news-row p{font-size:13.5px;color:var(--text-600);line-height:1.6;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;}
.news-row .row-meta{font-family:var(--font-mono);font-size:13px;color:var(--text-600);font-variant-numeric:tabular-nums;white-space:nowrap;}
.empty-state{
  display:flex;flex-direction:column;align-items:center;gap:14px;
  padding:56px 24px;text-align:center;
  background:var(--paper-50);border:1px dashed var(--line);border-radius:var(--radius-card);
  color:var(--text-600);font-size:14px;
}
.empty-state svg{color:var(--brand-500);}

/* 玩法介绍：左粘性 + 右编号列表 */
.play-grid{display:grid;grid-template-columns:.72fr 1.28fr;gap:56px;align-items:start;}
.play-aside{position:sticky;top:104px;}
.play-aside h2{
  position:relative;font-size:32px;line-height:1.3;font-weight:700;color:var(--text-900);
  padding-left:18px;margin-bottom:16px;
}
.play-aside h2::before{content:"";position:absolute;left:0;top:7px;bottom:7px;width:4px;border-radius:4px;background:var(--brand-700);}
.play-aside p{font-size:15px;color:var(--text-600);margin-bottom:22px;}
.play-list{border-top:1px solid var(--line);}
.play-item{
  display:grid;grid-template-columns:96px 1fr;gap:24px;
  padding:28px 0;border-bottom:1px solid var(--line);
}
.play-num{
  font-family:var(--font-mono);font-variant-numeric:tabular-nums;
  font-size:40px;font-weight:700;line-height:1;
  color:transparent;-webkit-text-stroke:1.5px var(--brand-500);
}
.play-item h3{font-size:21px;font-weight:600;color:var(--text-900);margin-bottom:8px;line-height:1.5;}
.play-item p{font-size:15px;color:var(--text-700);line-height:1.85;margin-bottom:12px;}

/* 奖励预览：深色斜切卡片 */
.reward-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.reward-card{
  position:relative;
  background:var(--ink-800);
  border:1px solid rgba(255,255,255,.12);
  border-radius:var(--radius-card);
  overflow:hidden;
  clip-path:polygon(0 0,100% 0,100% 100%,0 100%);
  transition:transform .3s ease,border-color .3s ease;
}
.reward-card:hover{transform:translateY(-3px);border-color:rgba(127,227,180,.45);}
.reward-card::before{
  content:"";position:absolute;top:0;right:0;width:70px;height:70px;
  background:linear-gradient(225deg,rgba(214,242,90,.20),transparent 70%);
  clip-path:polygon(100% 0,0 0,100% 100%);
  pointer-events:none;z-index:3;
}
.reward-card img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.reward-body{padding:20px 22px 24px;}
.reward-body .tag{background:rgba(127,227,180,.16);color:var(--brand-300);margin-bottom:12px;}
.reward-body h3{font-size:20px;font-weight:600;color:#fff;line-height:1.5;margin-bottom:8px;}
.reward-body p{font-size:14px;color:rgba(234,244,238,.72);line-height:1.7;margin-bottom:18px;}
.reward-bar{height:8px;border-radius:8px;background:rgba(255,255,255,.10);overflow:hidden;margin-bottom:8px;}
.reward-bar i{display:block;height:100%;border-radius:8px;background:linear-gradient(90deg,var(--brand-500),var(--lime-400));}
.reward-foot{display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:rgba(234,244,238,.6);}
.reward-foot .mono{color:var(--lime-400);}
.reward-banner-tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:8px;
  font-size:12px;font-weight:600;letter-spacing:.05em;
  background:var(--lime-400);color:var(--ink-950);
}

/* 任务进度 */
.steps-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;}
.steps-head h2{position:relative;font-size:32px;font-weight:700;color:var(--text-900);line-height:1.3;padding-left:18px;}
.steps-head h2::before{content:"";position:absolute;left:0;top:7px;bottom:7px;width:4px;border-radius:4px;background:var(--brand-700);}
.steps-head p{margin-top:10px;font-size:15px;color:var(--text-600);}
.steps{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-bottom:34px;}
.step{
  position:relative;
  background:var(--paper-0);
  border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px 22px;
}
.step-num{
  width:28px;height:28px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  font-family:var(--font-mono);font-size:13px;font-weight:700;
  background:var(--brand-700);color:#fff;margin-bottom:14px;
}
.step.is-pending .step-num{background:transparent;border:1.5px solid var(--line);color:var(--text-600);}
.step h3{font-size:18px;font-weight:600;color:var(--text-900);margin-bottom:6px;}
.step p{font-size:13.5px;color:var(--text-600);line-height:1.7;}
.progress-track{
  height:8px;border-radius:8px;background:var(--paper-100);overflow:hidden;
}
.progress-track i{display:block;height:100%;width:56%;border-radius:8px;background:linear-gradient(90deg,var(--brand-500),var(--lime-400));}
.progress-note{
  display:flex;justify-content:space-between;align-items:center;
  margin-top:10px;font-size:13px;color:var(--text-600);
}
.progress-note .mono{color:var(--brand-700);font-weight:600;}

/* 信任条 */
.trust-strip{
  display:grid;grid-template-columns:repeat(4,1fr);
  background:var(--paper-0);
  border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;
}
.trust-cell{
  padding:28px 24px;
  border-right:1px solid var(--line);
}
.trust-cell:last-child{border-right:0;}
.trust-cell .num{
  display:block;font-family:var(--font-mono);font-variant-numeric:tabular-nums;
  font-size:32px;font-weight:700;color:var(--brand-700);line-height:1.1;margin-bottom:6px;
}
.trust-cell .lbl{font-size:13.5px;color:var(--text-600);}

/* FAQ */
.faq-grid{display:grid;grid-template-columns:.66fr 1.34fr;gap:56px;align-items:start;}
.faq-aside h2{
  position:relative;font-size:32px;font-weight:700;color:var(--text-900);line-height:1.3;
  padding-left:18px;margin-bottom:16px;
}
.faq-aside h2::before{content:"";position:absolute;left:0;top:7px;bottom:7px;width:4px;border-radius:4px;background:var(--brand-700);}
.faq-aside p{font-size:15px;color:var(--text-600);margin-bottom:22px;}
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 4px;min-height:56px;
  font-size:16px;font-weight:600;color:var(--text-900);
  cursor:pointer;list-style:none;
  transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--brand-700);}
.faq-icon{
  flex:0 0 auto;width:26px;height:26px;border-radius:8px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--paper-100);color:var(--brand-700);
  font-size:16px;line-height:1;
  transition:transform .25s ease,background .2s ease;
}
.faq-item[open] .faq-icon{transform:rotate(45deg);background:var(--brand-700);color:#fff;}
.faq-item[open] summary{color:var(--brand-700);}
.faq-body{padding:0 4px 22px;font-size:15px;color:var(--text-700);line-height:1.85;}
.faq-item[open]{background:var(--paper-50);}

/* CTA */
.cta-band{
  position:relative;
  background-color:var(--ink-950);
  background-image:linear-gradient(100deg,rgba(6,18,14,.92),rgba(16,42,33,.86)),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  color:#fff;overflow:hidden;
  clip-path:polygon(0 0,100% 0,100% calc(100% - 28px),calc(100% - 28px) 100%,0 100%);
}
.cta-band::before{
  content:"";position:absolute;right:-8%;top:-40%;width:480px;height:480px;border-radius:50%;
  border:1px solid rgba(127,227,180,.16);
}
.cta-inner{
  position:relative;z-index:2;
  display:flex;align-items:center;justify-content:space-between;gap:40px;
  padding:72px 0;
}
.cta-inner h2{font-size:32px;font-weight:700;line-height:1.3;color:#fff;margin-bottom:12px;}
.cta-inner p{font-size:16px;color:rgba(234,244,238,.78);max-width:560px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center;}

/* 页脚 */
.site-footer{
  background:var(--ink-950);color:var(--text-inv);
  padding:72px 0 0;
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px;
  padding-bottom:48px;
}
.footer-brand .brand-name{color:#fff;}
.footer-brand p{
  margin-top:16px;font-size:14px;line-height:1.85;color:rgba(234,244,238,.66);
  max-width:320px;
}
.footer-nav-title{
  font-size:14px;font-weight:600;color:#fff;margin-bottom:16px;letter-spacing:.02em;
}
.footer-links li + li{margin-top:10px;}
.footer-links a{
  font-size:14px;color:rgba(234,244,238,.78);
  transition:color .2s ease;
}
.footer-links a:hover{color:var(--brand-300);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:24px 0 32px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
}
.footer-bottom p{font-size:12.5px;color:rgba(234,244,238,.52);line-height:1.8;}
.footer-bottom .legal{max-width:760px;}

/* 返回顶部 */
.to-top{
  position:fixed;right:24px;bottom:24px;z-index:150;
  width:48px;height:48px;border-radius:50%;
  background:var(--brand-700);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:var(--shadow-2);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .25s ease,transform .25s ease,visibility .25s,background .2s ease;
}
.to-top.is-show{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{background:var(--brand-600);}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .hero-inner{grid-template-columns:1.4fr 1fr;gap:40px;}
  .hero h1{font-size:42px;}
  .play-grid,.faq-grid{gap:40px;}
  .mega-panel{width:640px;}
}
@media (max-width:1023px){
  .primary-nav{display:none;}
  .header-actions .btn-sm{display:none;}
  .nav-toggle{display:inline-flex;}
  .mega-wrap{display:none;}
  .hero-inner{grid-template-columns:1fr;min-height:auto;padding:56px 0 72px;}
  .hero h1{font-size:38px;}
  .hero-visual{margin-top:8px;}
  .score-card{left:auto;right:12px;bottom:-20px;width:238px;}
  .quick-grid{grid-template-columns:repeat(2,1fr);}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .play-grid{grid-template-columns:1fr;}
  .play-aside{position:static;}
  .reward-grid{grid-template-columns:1fr 1fr;}
  .steps{grid-template-columns:repeat(2,1fr);}
  .trust-strip{grid-template-columns:repeat(2,1fr);}
  .trust-cell:nth-child(2){border-right:0;}
  .trust-cell:nth-child(1),.trust-cell:nth-child(2){border-bottom:1px solid var(--line);}
  .faq-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .cta-inner{flex-direction:column;align-items:flex-start;gap:24px;padding:56px 0;}
  .section{padding:72px 0;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .hero h1{font-size:31px;}
  .hero-sub{font-size:16px;}
  .hero-actions .btn{width:100%;}
  .hero-actions{width:100%;}
  .hero-tags{gap:8px;}
  .score-card{position:static;width:100%;margin-top:16px;}
  .hero-photo{clip-path:none;}
  .section{padding:56px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:28px;}
  .section-head h2,.play-aside h2,.faq-aside h2,.steps-head h2{font-size:26px;}
  .quick-grid{grid-template-columns:1fr;}
  .news-grid{grid-template-columns:1fr;}
  .news-row{grid-template-columns:96px 1fr;gap:14px;}
  .news-row img{width:96px;}
  .news-row .row-meta{display:none;}
  .play-item{grid-template-columns:64px 1fr;gap:16px;padding:22px 0;}
  .play-num{font-size:30px;}
  .reward-grid{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;}
  .steps-head{flex-direction:column;align-items:flex-start;}
  .trust-strip{grid-template-columns:1fr;}
  .trust-cell{border-right:0;border-bottom:1px solid var(--line);}
  .trust-cell:last-child{border-bottom:0;}
  .footer-grid{grid-template-columns:1fr;gap:24px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .cta-inner h2{font-size:25px;}
  .faq-item summary{font-size:15px;padding:16px 4px;}
}
@media (max-width:420px){
  .brand-name{font-size:15px;}
  .hero h1{font-size:27px;}
  .score-num{font-size:28px;}
  .to-top{right:14px;bottom:14px;width:44px;height:44px;}
}

/* roulang page: category1 */
:root{
  --ink-950:#06120E;--ink-900:#0A1B15;--ink-800:#102A21;
  --brand-700:#0B6B48;--brand-600:#12855A;--brand-500:#17A06B;--brand-300:#7FE3B4;
  --accent-500:#FF6A2B;--accent-300:#FFB08A;--lime-400:#D6F25A;
  --paper-0:#FFFFFF;--paper-50:#F4F8F5;--paper-100:#E9F1EB;--line:#DCE7DF;
  --text-900:#0A1A14;--text-700:#33463D;--text-600:#5A6B62;--text-inv:#EAF4EE;
  --danger:#D64B39;--success:#12855A;
  --r-card:16px;--r-sm:10px;--r-input:12px;--r-pill:999px;--r-badge:8px;
  --shadow-1:0 1px 2px rgba(6,18,14,.06),0 8px 24px -12px rgba(6,18,14,.18);
  --shadow-2:0 18px 40px -18px rgba(6,18,14,.30);
  --sans:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Hiragino Sans GB",system-ui,-apple-system,sans-serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
  --header-h:72px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;font-family:var(--sans);font-size:16px;line-height:1.85;color:var(--text-700);
  background:var(--paper-0);overflow-x:hidden;
}
body.no-scroll{overflow:hidden}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
a{color:var(--brand-700);text-decoration:underline;text-underline-offset:3px;transition:color .2s ease}
a:hover{color:var(--accent-500)}
img{max-width:100%;display:block}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
time,.num{font-family:var(--mono);font-variant-numeric:tabular-nums}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media (min-width:1440px){.container{max-width:1240px}}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;height:var(--header-h);
  background:var(--paper-0);border-bottom:1px solid var(--line);
  transition:height .2s ease,box-shadow .2s ease;
}
.site-header.is-scrolled{--header-h:60px;box-shadow:var(--shadow-1)}
.header-inner{height:100%;display:flex;align-items:center;gap:28px}
.brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none;flex:0 0 auto}
.brand:hover{color:var(--text-900)}
.brand-mark{
  width:34px;height:34px;display:grid;place-items:center;
  background:var(--ink-950);color:var(--brand-300);
  font-family:var(--mono);font-size:12px;font-weight:700;letter-spacing:.02em;
  border-radius:8px;clip-path:polygon(12% 0,100% 0,100% 100%,0 100%,0 24%);
}
.brand-name{font-size:17px;font-weight:700;color:var(--text-900);letter-spacing:-.01em;white-space:nowrap}
.primary-nav{display:flex;align-items:center;gap:26px;margin-left:6px}
.primary-nav a{
  position:relative;display:inline-flex;align-items:center;height:var(--header-h);
  font-size:15px;font-weight:500;color:var(--text-700);text-decoration:none;
  transition:color .2s ease;
}
.primary-nav a::after{
  content:"";position:absolute;left:0;right:0;bottom:14px;height:2px;border-radius:2px;
  background:var(--brand-700);transform:scaleX(0);transform-origin:left;transition:transform .22s ease;
}
.primary-nav a:hover{color:var(--brand-700)}
.primary-nav a:hover::after,.primary-nav a[aria-current="page"]::after{transform:scaleX(1)}
.primary-nav a[aria-current="page"]{color:var(--brand-700);font-weight:600}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 28px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;text-decoration:none;white-space:nowrap;
  border:1.5px solid transparent;cursor:pointer;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-primary{background:var(--brand-700);color:#fff}
.btn-primary:hover{background:var(--brand-600);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-1)}
.btn-primary:active{transform:translateY(0);background:var(--brand-700)}
.btn-ghost{border-color:var(--brand-700);color:var(--brand-700);background:transparent}
.btn-ghost:hover{background:rgba(18,133,90,.08);color:var(--brand-700)}
.btn-ghost:active{background:rgba(18,133,90,.14)}
.btn-light{background:#fff;color:var(--ink-950)}
.btn-light:hover{background:var(--brand-300);color:var(--ink-950);transform:translateY(-1px)}
.btn-outline-light{border-color:rgba(255,255,255,.55);color:var(--text-inv);background:transparent}
.btn-outline-light:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.4;pointer-events:none}
.btn-sm{min-height:40px;padding:0 20px;font-size:14px}
.btn .btn-arrow{transition:transform .2s ease}
.btn:hover .btn-arrow{transform:translateX(4px)}

/* Mega */
.mega{position:relative}
.mega-trigger{
  display:inline-flex;align-items:center;gap:6px;min-height:44px;padding:0 14px;
  border-radius:var(--r-pill);font-size:14px;font-weight:600;color:var(--text-700);
  border:1px solid var(--line);background:var(--paper-0);transition:all .2s ease;
}
.mega-trigger:hover,.mega:hover .mega-trigger,.mega:focus-within .mega-trigger{
  color:var(--brand-700);border-color:var(--brand-300);background:var(--paper-50);
}
.mega-trigger .chev{transition:transform .25s ease}
.mega:hover .mega-trigger .chev,.mega:focus-within .mega-trigger .chev{transform:rotate(180deg)}
.mega-panel{
  position:absolute;right:0;top:calc(100% + 8px);width:720px;
  background:var(--paper-0);border:1px solid var(--line);border-radius:16px;
  box-shadow:var(--shadow-2);padding:24px;
  display:grid;grid-template-columns:1fr 1fr;gap:24px;
  opacity:0;visibility:hidden;transform:translateY(-6px);
  transition:opacity .2s ease,transform .2s ease,visibility .2s;
}
.mega:hover .mega-panel,.mega:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-col-title{font-size:12px;letter-spacing:.06em;font-weight:600;color:var(--text-600);margin-bottom:10px}
.mega-list li+li{margin-top:2px}
.mega-list a{display:flex;gap:10px;padding:9px 10px;border-radius:var(--r-sm);text-decoration:none;color:var(--text-900)}
.mega-list a:hover{background:var(--paper-50);color:var(--brand-700)}
.mega-ico{flex:0 0 20px;height:20px;color:var(--brand-600);margin-top:3px}
.mega-item-title{display:block;font-size:14px;font-weight:600;line-height:1.5}
.mega-item-desc{display:block;font-size:12.5px;color:var(--text-600);line-height:1.6}
.mega-card{display:block;text-decoration:none;border:1px solid var(--line);border-radius:var(--r-sm);overflow:hidden;background:var(--paper-0);margin-top:12px}
.mega-card img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .35s ease}
.mega-card:hover img{transform:translateY(-2px) scale(1.02)}
.mega-card-body{padding:10px 12px 12px}
.mega-card-body span{display:block;font-size:13.5px;font-weight:600;color:var(--text-900)}
.mega-card-body em{font-style:normal;font-size:12.5px;color:var(--brand-700)}

/* Burger + Drawer */
.burger{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);align-items:center;justify-content:center}
.burger span{display:block;width:18px;height:2px;background:var(--text-900);border-radius:2px;position:relative}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text-900);border-radius:2px}
.burger span::before{top:-6px}.burger span::after{top:6px}
.scrim{position:fixed;inset:0;background:rgba(6,18,14,.55);opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s;z-index:90}
.scrim.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:320px;max-width:86vw;background:var(--paper-0);
  z-index:100;transform:translateX(100%);transition:transform .28s ease;
  display:flex;flex-direction:column;padding:20px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-close{width:44px;height:44px;border-radius:12px;border:1px solid var(--line);font-size:20px;line-height:1;color:var(--text-700)}
.drawer-close:hover{background:var(--paper-50);color:var(--brand-700)}
.drawer-nav a{display:flex;align-items:center;justify-content:space-between;min-height:52px;font-size:15px;font-weight:600;color:var(--text-900);text-decoration:none;border-bottom:1px solid var(--line)}
.drawer-nav a[aria-current="page"]{color:var(--brand-700)}
.drawer-cta{margin-top:22px}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;background-color:var(--ink-900);color:var(--text-inv);
  background-image:linear-gradient(120deg,rgba(6,18,14,.94) 0%,rgba(6,18,14,.80) 52%,rgba(10,27,21,.72) 100%),url("/assets/images/backpic/back-1.png");
  background-size:cover;background-position:center;
  overflow:hidden;
}
.page-hero::after{
  content:"";position:absolute;right:-90px;top:-70px;width:420px;height:420px;border-radius:50%;
  border:1px solid rgba(255,255,255,.10);pointer-events:none;
}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.35fr .85fr;gap:48px;align-items:center;padding-top:64px;padding-bottom:64px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:600;letter-spacing:.08em;
  padding:6px 12px;border-radius:var(--r-pill);background:rgba(127,227,180,.14);
  color:var(--brand-300);border:1px solid rgba(127,227,180,.28);
}
.page-hero h1{font-size:44px;line-height:1.2;font-weight:700;letter-spacing:-.01em;color:#fff;margin:18px 0 14px}
.hero-lead{font-size:16.5px;line-height:1.85;color:rgba(234,244,238,.86);max-width:620px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-side{
  border:1px solid rgba(255,255,255,.14);border-radius:var(--r-card);padding:22px;
  background:rgba(16,42,33,.62);
}
.hero-side h2{font-size:15px;font-weight:600;color:var(--brand-300);letter-spacing:.04em;margin-bottom:14px}
.hero-side li{display:flex;gap:10px;font-size:14px;line-height:1.7;color:rgba(234,244,238,.88);padding:9px 0;border-bottom:1px dashed rgba(255,255,255,.12)}
.hero-side li:last-of-type{border-bottom:0}
.hero-side .dot{flex:0 0 6px;height:6px;border-radius:50%;background:var(--lime-400);margin-top:9px}
.hero-side .btn{width:100%;margin-top:14px}

/* ---------- Breadcrumb ---------- */
.crumbs{background:var(--paper-50);border-bottom:1px solid var(--line)}
.crumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:10px;padding:14px 0;font-size:13px;color:var(--text-600)}
.crumbs li{display:flex;align-items:center;gap:10px}
.crumbs li+li::before{content:"/";color:var(--text-600);opacity:.55}
.crumbs a{color:var(--text-600);text-decoration:none}
.crumbs a:hover{color:var(--brand-700);text-decoration:underline}
.crumbs [aria-current="page"]{color:var(--text-900);font-weight:600}

/* ---------- Layout ---------- */
.section{padding:88px 0}
.section-tight{padding:64px 0}
.section-alt{background:var(--paper-50)}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:36px}
.section-head h2{position:relative;font-size:30px;line-height:1.3;font-weight:700;color:var(--text-900);letter-spacing:-.01em;padding-left:16px}
.section-head h2::before{content:"";position:absolute;left:0;top:8px;bottom:8px;width:4px;border-radius:2px;background:var(--brand-600)}
.section-head p{font-size:14.5px;color:var(--text-600);max-width:520px}

.layout-news{display:grid;grid-template-columns:220px 1fr;gap:40px;align-items:start}
.toc{position:sticky;top:96px;border:1px solid var(--line);border-radius:var(--r-card);padding:20px 18px;background:var(--paper-0);box-shadow:var(--shadow-1)}
.toc-title{font-size:12px;font-weight:600;letter-spacing:.08em;color:var(--text-600);margin-bottom:12px}
.toc a{display:block;padding:9px 10px;border-radius:8px;font-size:14px;color:var(--text-700);text-decoration:none;border-left:2px solid transparent;transition:all .18s ease}
.toc a:hover{background:var(--paper-50);color:var(--brand-700);border-left-color:var(--brand-500)}
.toc-note{margin-top:14px;padding-top:14px;border-top:1px solid var(--line);font-size:12.5px;line-height:1.7;color:var(--text-600)}

/* Cards */
.news-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.news-card{
  display:flex;flex-direction:column;background:var(--paper-0);border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:var(--brand-300)}
.card-media{position:relative;display:block;overflow:hidden;background:linear-gradient(135deg,var(--brand-600),var(--ink-900))}
.card-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .4s ease}
.news-card:hover .card-media img{transform:scale(1.03)}
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:var(--r-badge);
  font-size:12px;font-weight:600;letter-spacing:.04em;line-height:1.6;
}
.badge-soft{background:var(--paper-100);color:var(--brand-700)}
.badge-float{position:absolute;left:14px;top:14px;background:rgba(255,255,255,.94);color:var(--brand-700);backdrop-filter:blur(2px)}
.badge-accent{background:var(--accent-500);color:#3A1405}
.card-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-body h3{font-size:20px;line-height:1.5;font-weight:600;color:var(--text-900);letter-spacing:-.005em}
.card-body h3 a{color:inherit;text-decoration:none}
.card-body h3 a:hover{color:var(--brand-700)}
.card-body p{font-size:14px;line-height:1.75;color:var(--text-600);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-foot{margin-top:auto;padding-top:14px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:12px}
.card-foot time{font-size:13px;color:var(--text-600)}
.card-arrow{display:inline-flex;align-items:center;gap:6px;font-size:13.5px;font-weight:600;color:var(--brand-700);text-decoration:none}
.card-arrow:hover{color:var(--accent-500)}
.card-arrow .arw{transition:transform .2s ease}
.card-arrow:hover .arw,.news-card:hover .card-arrow .arw{transform:translateX(4px)}

/* Tag strip */
.tag-strip{display:flex;flex-wrap:wrap;gap:10px}
.tag{
  display:inline-flex;align-items:center;min-height:38px;padding:0 16px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:var(--paper-0);font-size:13.5px;color:var(--text-700);
  text-decoration:none;transition:all .2s ease;
}
.tag:hover{border-color:var(--brand-300);background:var(--paper-50);color:var(--brand-700);transform:translateY(-1px)}

/* FAQ */
.faq-wrap{display:grid;grid-template-columns:.85fr 1.15fr;gap:48px;align-items:start}
.faq-intro h2{position:relative;font-size:30px;line-height:1.3;font-weight:700;color:var(--text-900);padding-left:16px;margin-bottom:14px}
.faq-intro h2::before{content:"";position:absolute;left:0;top:8px;bottom:8px;width:4px;border-radius:2px;background:var(--brand-600)}
.faq-intro p{font-size:15px;line-height:1.85;color:var(--text-600)}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:64px;padding:16px 4px;cursor:pointer;list-style:none;
  font-size:16px;font-weight:600;color:var(--text-900);transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--brand-700)}
.faq-icon{flex:0 0 26px;width:26px;height:26px;display:grid;place-items:center;border:1px solid var(--line);border-radius:50%;color:var(--brand-700);font-size:15px;line-height:1;transition:transform .22s ease,background .2s ease}
.faq-item[open]{background:var(--paper-50)}
.faq-item[open] .faq-icon{transform:rotate(45deg);background:var(--paper-100)}
.faq-answer{padding:0 4px 20px;font-size:14.5px;line-height:1.85;color:var(--text-700);max-width:680px}

/* CTA band */
.cta-band{
  position:relative;background:var(--ink-950);color:var(--text-inv);
  clip-path:polygon(0 0,100% 22px,100% 100%,0 100%);
  overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(115deg,rgba(6,18,14,.92),rgba(11,107,72,.55)),url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;opacity:.85;
}
.cta-inner{position:relative;z-index:2;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px;padding:56px 0}
.cta-inner h2{font-size:28px;line-height:1.35;font-weight:700;color:#fff;margin-bottom:8px}
.cta-inner p{font-size:15px;color:rgba(234,244,238,.82);max-width:620px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.cta-link{color:var(--brand-300);font-size:14.5px;font-weight:600;text-decoration:none;border-bottom:1px solid rgba(127,227,180,.5);padding-bottom:2px}
.cta-link:hover{color:#fff;border-color:#fff}

/* Footer */
.site-footer{background:var(--ink-950);color:var(--text-inv);padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:32px}
.site-footer .brand-mark{background:rgba(255,255,255,.08)}
.site-footer .brand-name{color:#fff}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(234,244,238,.72);margin-top:14px;max-width:340px}
.footer-nav-title{font-size:14px;font-weight:600;color:#fff;margin-bottom:14px}
.footer-links li+li{margin-top:10px}
.footer-links a{font-size:14px;color:rgba(234,244,238,.80);text-decoration:none;transition:color .2s ease}
.footer-links a:hover{color:var(--brand-300)}
.footer-bottom{margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.10);display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between}
.footer-bottom p{font-size:13px;color:rgba(234,244,238,.62)}
.footer-bottom .legal{font-size:12px;max-width:640px;line-height:1.7}

/* Back to top */
.to-top{
  position:fixed;right:20px;bottom:24px;width:46px;height:46px;border-radius:50%;
  background:var(--brand-700);color:#fff;display:grid;place-items:center;z-index:70;
  box-shadow:var(--shadow-2);opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .22s ease,transform .22s ease,visibility .22s,background .2s ease;
}
.to-top:hover{background:var(--brand-600)}
.to-top.is-visible{opacity:1;visibility:visible;transform:translateY(0)}

/* ---------- Responsive ---------- */
@media (max-width:1199px){
  .hero-inner{gap:32px;padding-top:54px;padding-bottom:54px}
  .page-hero h1{font-size:38px}
}
@media (max-width:1023px){
  .primary-nav,.header-actions .btn,.mega{display:none}
  .burger{display:inline-flex}
  .hero-inner{grid-template-columns:1fr;gap:28px}
  .page-hero h1{font-size:34px}
  .layout-news{grid-template-columns:1fr;gap:28px}
  .toc{position:static}
  .faq-wrap{grid-template-columns:1fr;gap:24px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:767px){
  .section{padding:56px 0}
  .section-tight{padding:44px 0}
  .container{padding:0 16px}
  .page-hero h1{font-size:30px}
  .hero-lead{font-size:15.5px}
  .hero-inner{padding-top:44px;padding-bottom:44px}
  .news-grid{grid-template-columns:1fr}
  .section-head h2{font-size:24px}
  .faq-intro h2{font-size:24px}
  .cta-inner{padding:44px 0}
  .cta-inner h2{font-size:23px}
  .brand-name{font-size:15.5px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .site-footer{padding:48px 0 24px}
}
@media (max-width:479px){
  .footer-grid{grid-template-columns:1fr}
  .hero-actions .btn{width:100%}
  .card-body h3{font-size:18px}
  .to-top{right:14px;bottom:16px}
}

/* roulang page: article */
:root{
  --ink-950:#06120E;
  --ink-900:#0A1B15;
  --ink-800:#102A21;
  --brand-700:#0B6B48;
  --brand-600:#12855A;
  --brand-500:#17A06B;
  --brand-300:#7FE3B4;
  --accent-500:#FF6A2B;
  --accent-300:#FFB08A;
  --lime-400:#D6F25A;
  --paper-0:#FFFFFF;
  --paper-50:#F4F8F5;
  --paper-100:#E9F1EB;
  --line:#DCE7DF;
  --text-900:#0A1A14;
  --text-700:#33463D;
  --text-600:#5A6B62;
  --text-inv:#EAF4EE;
  --danger:#D64B39;
  --success:#12855A;
  --radius-card:16px;
  --radius-sm:10px;
  --radius-input:12px;
  --radius-pill:999px;
  --shadow-1:0 1px 2px rgba(6,18,14,.06), 0 8px 24px -12px rgba(6,18,14,.18);
  --shadow-2:0 18px 40px -18px rgba(6,18,14,.30);
  --font-sans:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-mono:"SFMono-Regular",Menlo,Consolas,"Courier New",monospace;
  --header-h:72px;
}
*,*::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:1.85;
  color:var(--text-700);
  background:var(--paper-50);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{padding:0;list-style:none;}
img{max-width:100%;display:block;}
a{color:var(--brand-700);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--accent-500);}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input,textarea{font-family:inherit;font-size:inherit;}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;border-radius:4px;}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}
.num{font-family:var(--font-mono);font-variant-numeric:tabular-nums;letter-spacing:.01em;}

/* ===== Header ===== */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:var(--paper-0);
  border-bottom:1px solid var(--line);
  transition:height .25s ease, box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:var(--shadow-1);}
.header-inner{
  display:flex;
  align-items:center;
  gap:24px;
  height:var(--header-h);
  transition:height .25s ease;
}
.site-header.is-scrolled .header-inner{height:60px;}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:var(--text-900);
  flex-shrink:0;
}
.brand:hover{color:var(--text-900);}
.brand-mark{
  display:grid;
  place-items:center;
  width:34px;
  height:34px;
  background:linear-gradient(135deg,var(--brand-600),var(--brand-700));
  color:#fff;
  font-family:var(--font-mono);
  font-size:13px;
  font-weight:700;
  letter-spacing:.02em;
  border-radius:9px;
  clip-path:polygon(12px 0,100% 0,100% calc(100% - 12px),calc(100% - 12px) 100%,0 100%,0 12px);
}
.brand-name{
  font-size:17px;
  font-weight:700;
  letter-spacing:.01em;
  white-space:nowrap;
}
.primary-nav{
  display:flex;
  align-items:center;
  gap:6px;
  margin-left:8px;
}
.primary-nav a{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:44px;
  padding:0 14px;
  font-size:15px;
  font-weight:500;
  color:var(--text-700);
  border-radius:8px;
  transition:color .2s ease,background .2s ease;
}
.primary-nav a::after{
  content:"";
  position:absolute;
  left:14px;
  right:14px;
  bottom:6px;
  height:2px;
  background:var(--brand-600);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .22s ease;
  border-radius:2px;
}
.primary-nav a:hover{color:var(--brand-700);background:var(--paper-50);}
.primary-nav a:hover::after{transform:scaleX(1);}
.primary-nav a[aria-current="page"]{color:var(--brand-700);font-weight:600;}
.primary-nav a[aria-current="page"]::after{transform:scaleX(1);}
.header-actions{
  display:flex;
  align-items:center;
  gap:10px;
  margin-left:auto;
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 28px;
  border-radius:var(--radius-pill);
  font-size:15px;
  font-weight:600;
  letter-spacing:.02em;
  transition:background .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--brand-700);color:#fff;box-shadow:var(--shadow-1);}
.btn-primary:hover{background:var(--brand-600);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{
  background:transparent;
  color:var(--brand-700);
  border:1.5px solid var(--brand-700);
}
.btn-ghost:hover{background:rgba(23,160,107,.08);color:var(--brand-700);}
.btn-light{background:#fff;color:var(--brand-700);}
.btn-light:hover{background:var(--paper-100);color:var(--brand-700);transform:translateY(-1px);}
.btn-outline-light{background:transparent;color:var(--text-inv);border:1.5px solid rgba(255,255,255,.4);}
.btn-outline-light:hover{background:rgba(255,255,255,.1);color:#fff;}
.btn-sm{height:40px;padding:0 20px;font-size:14px;}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.4;pointer-events:none;}
.text-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:600;
  color:var(--brand-700);
  text-decoration:underline;
  text-underline-offset:3px;
}
.text-link:hover{color:var(--accent-500);}
.text-link svg{transition:transform .2s ease;}
.text-link:hover svg{transform:translateX(4px);}

/* Mega menu */
.mega-wrap{position:relative;}
.mega-toggle{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:40px;
  padding:0 14px;
  border-radius:var(--radius-pill);
  font-size:14px;
  font-weight:600;
  color:var(--text-700);
  border:1px solid var(--line);
  background:var(--paper-0);
  transition:color .2s ease,border-color .2s ease,background .2s ease;
}
.mega-toggle:hover{color:var(--brand-700);border-color:var(--brand-300);background:var(--paper-50);}
.mega-toggle .chev{transition:transform .22s ease;}
.mega-wrap:hover .mega-toggle .chev,
.mega-wrap:focus-within .mega-toggle .chev{transform:rotate(180deg);}
.mega-panel{
  position:absolute;
  top:calc(100% + 8px);
  right:0;
  width:720px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:16px;
  box-shadow:var(--shadow-2);
  padding:24px;
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:24px;
  opacity:0;
  visibility:hidden;
  transform:translateY(-6px);
  transition:opacity .2s ease,transform .2s ease,visibility .2s ease;
  z-index:90;
}
.mega-wrap:hover .mega-panel,
.mega-wrap:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0);}
.mega-title{
  font-size:12px;
  font-weight:600;
  letter-spacing:.06em;
  color:var(--text-600);
  margin-bottom:12px;
}
.mega-list li + li{margin-top:4px;}
.mega-list a{
  display:flex;
  gap:10px;
  align-items:flex-start;
  padding:8px 10px;
  border-radius:10px;
  color:var(--text-900);
  transition:background .2s ease;
}
.mega-list a:hover{background:var(--paper-50);color:var(--brand-700);}
.mega-list .ico{
  flex:0 0 22px;
  height:22px;
  display:grid;
  place-items:center;
  color:var(--brand-600);
}
.mega-list strong{display:block;font-size:14px;font-weight:600;line-height:1.5;}
.mega-list span{display:block;font-size:12.5px;color:var(--text-600);line-height:1.6;}
.mega-latest a{
  display:flex;
  justify-content:space-between;
  gap:12px;
  padding:9px 0;
  border-bottom:1px dashed var(--line);
  font-size:13.5px;
  color:var(--text-700);
}
.mega-latest a:hover{color:var(--brand-700);}
.mega-latest .t{font-family:var(--font-mono);font-size:12px;color:var(--text-600);flex-shrink:0;}
.mega-card{
  display:block;
  margin-top:14px;
  border:1px solid var(--line);
  border-radius:12px;
  overflow:hidden;
  background:var(--paper-50);
  transition:transform .25s ease,box-shadow .25s ease;
}
.mega-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-1);}
.mega-card img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.mega-card .cap{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:8px;
  padding:10px 12px;
  font-size:13px;
  font-weight:600;
  color:var(--text-900);
}
.nav-burger{
  display:none;
  width:44px;
  height:44px;
  border:1px solid var(--line);
  border-radius:12px;
  align-items:center;
  justify-content:center;
  color:var(--text-900);
  background:#fff;
}
.nav-burger:hover{border-color:var(--brand-300);color:var(--brand-700);}
.drawer-mask{
  position:fixed;
  inset:0;
  background:rgba(6,18,14,.55);
  opacity:0;
  visibility:hidden;
  transition:opacity .25s ease,visibility .25s ease;
  z-index:95;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.mobile-drawer{
  position:fixed;
  top:0;
  right:0;
  width:320px;
  max-width:88vw;
  height:100%;
  background:#fff;
  z-index:96;
  transform:translateX(105%);
  transition:transform .28s ease;
  display:flex;
  flex-direction:column;
  padding:20px;
  overflow-y:auto;
  box-shadow:-18px 0 40px -20px rgba(6,18,14,.4);
}
.mobile-drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer-close{
  width:44px;height:44px;border:1px solid var(--line);border-radius:12px;
  display:grid;place-items:center;color:var(--text-900);background:#fff;
}
.drawer-close:hover{color:var(--brand-700);border-color:var(--brand-300);}
.drawer-nav{display:flex;flex-direction:column;gap:2px;}
.drawer-nav a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  min-height:48px;
  padding:0 12px;
  border-radius:10px;
  font-size:15px;
  font-weight:500;
  color:var(--text-900);
}
.drawer-nav a:hover{background:var(--paper-50);color:var(--brand-700);}
.drawer-nav a[aria-current="page"]{color:var(--brand-700);font-weight:600;background:var(--paper-50);}
.drawer-cta{margin-top:18px;display:grid;gap:10px;}
.drawer-cta .btn{width:100%;}

/* ===== Article hero ===== */
.article-hero{
  position:relative;
  background-color:var(--ink-900);
  background-image:linear-gradient(100deg,rgba(6,18,14,.94) 0%,rgba(6,18,14,.82) 55%,rgba(16,42,33,.78) 100%),url("/assets/images/backpic/back-1.png");
  background-size:cover;
  background-position:center;
  color:var(--text-inv);
  padding:32px 0 56px;
  overflow:hidden;
}
.article-hero::after{
  content:"";
  position:absolute;
  right:-160px;
  top:-120px;
  width:520px;
  height:520px;
  border:1px solid rgba(127,227,180,.18);
  border-radius:50%;
  pointer-events:none;
}
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:rgba(234,244,238,.7);
  margin-bottom:20px;
  position:relative;
  z-index:1;
}
.breadcrumb a{color:rgba(234,244,238,.78);}
.breadcrumb a:hover{color:var(--brand-300);}
.breadcrumb .sep{color:rgba(234,244,238,.4);}
.breadcrumb .current{color:rgba(234,244,238,.95);max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.article-hero h1{
  position:relative;
  z-index:1;
  font-size:clamp(30px,4vw,48px);
  line-height:1.22;
  font-weight:700;
  letter-spacing:-.01em;
  color:#fff;
  max-width:940px;
}
.meta-row{
  position:relative;
  z-index:1;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:12px 20px;
  margin-top:24px;
  font-size:14px;
  color:rgba(234,244,238,.8);
}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:rgba(234,244,238,.4);}
.meta-row strong{color:#fff;font-weight:600;}
.share-btn{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:38px;
  padding:0 16px;
  border-radius:var(--radius-pill);
  border:1px solid rgba(255,255,255,.32);
  color:var(--text-inv);
  font-size:13px;
  font-weight:600;
  transition:background .2s ease,border-color .2s ease,color .2s ease;
}
.share-btn:hover{background:rgba(23,160,107,.25);border-color:var(--brand-300);color:#fff;}
.share-btn.is-copied{background:var(--brand-700);border-color:var(--brand-600);color:#fff;}
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:26px;
  padding:0 12px;
  border-radius:8px;
  font-size:12px;
  font-weight:600;
  letter-spacing:.06em;
  background:var(--paper-100);
  color:var(--brand-700);
}
.badge-dark{
  background:rgba(23,160,107,.22);
  color:var(--brand-300);
  border:1px solid rgba(127,227,180,.28);
}
.badge-accent{background:rgba(255,106,43,.16);color:var(--accent-300);border:1px solid rgba(255,176,138,.3);}

/* ===== Article layout ===== */
.article-main{padding:56px 0 72px;}
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 320px;
  gap:48px;
  align-items:start;
}
.article-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);
  padding:40px 44px 48px;
}
.article-body{
  max-width:760px;
  font-size:16px;
  line-height:1.9;
  color:var(--text-700);
}
.article-body > * + *{margin-top:1.25em;}
.article-body h2{
  font-size:24px;
  line-height:1.45;
  font-weight:700;
  color:var(--text-900);
  margin-top:40px;
  padding-left:14px;
  border-left:4px solid var(--brand-500);
  scroll-margin-top:100px;
}
.article-body h3{
  font-size:20px;
  line-height:1.5;
  font-weight:600;
  color:var(--text-900);
  margin-top:32px;
  scroll-margin-top:100px;
}
.article-body h4{font-size:17px;font-weight:600;color:var(--text-900);margin-top:24px;}
.article-body p{font-size:16px;line-height:1.9;}
.article-body ul,.article-body ol{padding-left:1.35em;}
.article-body ul{list-style:disc;}
.article-body ol{list-style:decimal;}
.article-body li{margin:.4em 0;}
.article-body li::marker{color:var(--brand-600);}
.article-body a{color:var(--brand-700);text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{color:var(--accent-500);}
.article-body blockquote{
  border-left:3px solid var(--accent-500);
  background:var(--paper-50);
  padding:16px 20px;
  border-radius:0 10px 10px 0;
  color:var(--text-700);
  font-style:normal;
}
.article-body blockquote p{margin:0;}
.article-body img{border-radius:12px;margin:8px auto;height:auto;box-shadow:var(--shadow-1);}
.article-body figure{margin:24px 0;}
.article-body figcaption{
  font-size:13px;
  color:var(--text-600);
  text-align:center;
  margin-top:10px;
}
.article-body table{
  width:100%;
  border-collapse:collapse;
  font-size:14px;
  border:1px solid var(--line);
  border-radius:10px;
  overflow:hidden;
}
.article-body th,.article-body td{
  border:1px solid var(--line);
  padding:10px 14px;
  text-align:left;
  line-height:1.7;
}
.article-body th{background:var(--paper-100);color:var(--text-900);font-weight:600;}
.article-body code{
  font-family:var(--font-mono);
  font-size:.92em;
  background:var(--paper-100);
  color:var(--brand-700);
  padding:2px 6px;
  border-radius:6px;
}
.article-body pre{
  background:var(--ink-900);
  color:var(--text-inv);
  padding:18px 20px;
  border-radius:12px;
  overflow-x:auto;
  font-size:14px;
}
.article-body pre code{background:none;color:inherit;padding:0;}
.article-body hr{border:0;border-top:1px solid var(--line);margin:32px 0;}

/* Empty state */
.empty-state{
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:14px;
  text-align:center;
  padding:56px 20px;
  color:var(--text-600);
}
.empty-state svg{color:var(--brand-500);}
.empty-state p{font-size:15px;}
.empty-state h2{font-size:20px;color:var(--text-900);font-weight:600;}

/* ===== Aside ===== */
.article-aside{
  position:sticky;
  top:96px;
  display:flex;
  flex-direction:column;
  gap:20px;
}
.aside-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:22px;
  box-shadow:var(--shadow-1);
}
.aside-title{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:14px;
  font-weight:700;
  letter-spacing:.02em;
  color:var(--text-900);
  margin-bottom:14px;
  padding-bottom:12px;
  border-bottom:1px solid var(--line);
}
.aside-title::before{
  content:"";
  width:4px;
  height:16px;
  border-radius:2px;
  background:var(--brand-500);
}
.toc-list{display:flex;flex-direction:column;gap:2px;}
.toc-list a{
  display:block;
  padding:7px 10px;
  font-size:13.5px;
  line-height:1.6;
  color:var(--text-700);
  border-radius:8px;
  border-left:2px solid transparent;
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.toc-list a:hover{background:var(--paper-50);color:var(--brand-700);border-left-color:var(--brand-300);}
.toc-list a.is-sub{padding-left:22px;font-size:13px;color:var(--text-600);}
.aside-links{display:flex;flex-direction:column;gap:2px;}
.aside-links a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:8px;
  padding:10px;
  border-radius:10px;
  font-size:14px;
  color:var(--text-900);
  transition:background .2s ease,color .2s ease;
}
.aside-links a:hover{background:var(--paper-50);color:var(--brand-700);}
.aside-links svg{color:var(--brand-600);flex-shrink:0;transition:transform .2s ease;}
.aside-links a:hover svg{transform:translateX(3px);}
.aside-cta{
  background:var(--paper-100);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:22px;
  display:flex;
  flex-direction:column;
  gap:12px;
}
.aside-cta p{font-size:13.5px;color:var(--text-600);line-height:1.7;}
.aside-cta .btn{width:100%;height:44px;font-size:14px;}

/* ===== Related ===== */
.related{
  padding:0 0 72px;
}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  margin-bottom:28px;
  flex-wrap:wrap;
}
.section-head h2{
  font-size:clamp(22px,2.6vw,30px);
  line-height:1.3;
  font-weight:700;
  color:var(--text-900);
  position:relative;
  padding-left:16px;
}
.section-head h2::before{
  content:"";
  position:absolute;
  left:0;
  top:6px;
  bottom:6px;
  width:4px;
  border-radius:2px;
  background:var(--brand-500);
}
.section-head p{font-size:14px;color:var(--text-600);margin-top:6px;padding-left:16px;}
.card-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.news-card{
  display:flex;
  flex-direction:column;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:transform .25s ease,box-shadow .25s ease;
  color:inherit;
  height:100%;
}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);color:inherit;}
.news-card .thumb{
  position:relative;
  aspect-ratio:16/10;
  overflow:hidden;
  background:linear-gradient(135deg,var(--brand-500),var(--ink-800));
}
.news-card .thumb img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .4s ease;
}
.news-card:hover .thumb img{transform:scale(1.03);}
.news-card .body{
  padding:18px 20px 20px;
  display:flex;
  flex-direction:column;
  gap:10px;
  flex:1;
}
.news-card h3{
  font-size:18px;
  line-height:1.5;
  font-weight:600;
  color:var(--text-900);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-card .desc{
  font-size:14px;
  line-height:1.7;
  color:var(--text-600);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-card .foot{
  margin-top:auto;
  padding-top:12px;
  border-top:1px dashed var(--line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  font-size:13px;
  color:var(--text-600);
}
.news-card .foot .arrow{color:var(--brand-700);transition:transform .2s ease;}
.news-card:hover .foot .arrow{transform:translateX(4px);}

/* ===== CTA strip ===== */
.cta-strip{
  background:linear-gradient(100deg,var(--ink-950) 0%,var(--ink-800) 100%);
  color:var(--text-inv);
  position:relative;
  overflow:hidden;
}
.cta-strip::before{
  content:"";
  position:absolute;
  left:-80px;
  bottom:-140px;
  width:360px;
  height:360px;
  border:1px solid rgba(127,227,180,.16);
  border-radius:50%;
}
.cta-inner{
  position:relative;
  z-index:1;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:28px;
  padding:48px 0;
  flex-wrap:wrap;
}
.cta-inner h2{
  font-size:clamp(22px,2.8vw,30px);
  line-height:1.35;
  font-weight:700;
  color:#fff;
}
.cta-inner p{font-size:15px;color:rgba(234,244,238,.78);margin-top:8px;max-width:620px;}
.cta-actions{display:flex;align-items:center;gap:14px;flex-wrap:wrap;}

/* ===== Footer ===== */
.site-footer{
  background:var(--ink-950);
  color:var(--text-inv);
  padding:64px 0 28px;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:32px;
  padding-bottom:40px;
  border-bottom:1px solid rgba(255,255,255,.1);
}
.footer-brand .brand{color:#fff;margin-bottom:14px;}
.footer-brand .brand:hover{color:#fff;}
.footer-brand .brand-mark{background:linear-gradient(135deg,var(--brand-500),var(--brand-700));}
.footer-brand p{
  font-size:13.5px;
  line-height:1.85;
  color:rgba(234,244,238,.72);
  max-width:340px;
}
.footer-nav-title{
  font-size:14px;
  font-weight:600;
  color:#fff;
  margin-bottom:16px;
}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{
  font-size:14px;
  color:rgba(234,244,238,.8);
  transition:color .2s ease;
}
.footer-links a:hover{color:var(--brand-300);}
.footer-bottom{
  padding-top:24px;
  display:flex;
  flex-wrap:wrap;
  gap:10px 24px;
  justify-content:space-between;
  align-items:flex-start;
}
.footer-bottom p{font-size:13px;color:rgba(234,244,238,.68);}
.footer-bottom .legal{font-size:12px;color:rgba(234,244,238,.5);max-width:640px;line-height:1.8;}

/* ===== Responsive ===== */
@media (max-width:1199px){
  .article-layout{grid-template-columns:minmax(0,1fr) 290px;gap:32px;}
  .article-card{padding:34px 32px 40px;}
}
@media (max-width:1023px){
  .primary-nav{display:none;}
  .nav-burger{display:inline-flex;}
  .mega-wrap{display:none;}
  .header-actions .btn-sm{display:none;}
  .article-layout{grid-template-columns:minmax(0,1fr);}
  .article-aside{position:static;top:auto;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px 24px;}
  .article-main{padding:40px 0 56px;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .header-inner{gap:12px;}
  .brand-name{font-size:15.5px;}
  .article-hero{padding:24px 0 40px;}
  .article-card{padding:24px 18px 32px;border-radius:14px;}
  .article-body{font-size:16px;}
  .article-body h2{font-size:21px;margin-top:32px;}
  .article-body h3{font-size:18px;margin-top:26px;}
  .card-grid{grid-template-columns:minmax(0,1fr);}
  .cta-inner{padding:36px 0;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 auto;}
  .site-footer{padding:48px 0 24px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .meta-row{gap:10px 14px;font-size:13px;}
  .share-btn{height:36px;}
}
@media (max-width:520px){
  .article-body table{display:block;overflow-x:auto;white-space:nowrap;}
  .footer-grid{grid-template-columns:1fr;}
  .btn{height:46px;padding:0 22px;font-size:14.5px;}
  .breadcrumb{font-size:12px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
}

/* roulang page: category3 */
/* ============ 设计变量 ============ */
:root{
  --ink-950:#06120E;
  --ink-900:#0A1B15;
  --ink-800:#102A21;
  --brand-700:#0B6B48;
  --brand-600:#12855A;
  --brand-500:#17A06B;
  --brand-300:#7FE3B4;
  --accent-500:#FF6A2B;
  --accent-300:#FFB08A;
  --lime-400:#D6F25A;
  --paper-0:#FFFFFF;
  --paper-50:#F4F8F5;
  --paper-100:#E9F1EB;
  --line:#DCE7DF;
  --text-900:#0A1A14;
  --text-700:#33463D;
  --text-600:#5A6B62;
  --text-inv:#EAF4EE;
  --danger:#D64B39;
  --success:#12855A;
  --shadow-1:0 1px 2px rgba(6,18,14,.06),0 8px 24px -12px rgba(6,18,14,.18);
  --shadow-2:0 18px 40px -18px rgba(6,18,14,.30);
  --r-card:16px;
  --r-sm:10px;
  --r-input:12px;
  --mono:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,"Courier New",monospace;
  --font:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,sans-serif;
}

/* ============ 基础重置 ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--text-700);
  background:var(--paper-50);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4,p,ul,ol,figure,dl,dd{margin:0;}
ul,ol{padding:0;list-style:none;}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}

/* ============ 通用元素 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:999px;
  font-size:15px;font-weight:600;letter-spacing:.01em;
  border:1.5px solid transparent;cursor:pointer;
  transition:background-color .2s ease,color .2s ease,transform .2s ease,border-color .2s ease,box-shadow .2s ease;
  white-space:nowrap;
}
.btn:active{transform:translateY(0);}
.btn-primary{background:var(--brand-700);color:#fff;}
.btn-primary:hover{background:var(--brand-600);transform:translateY(-1px);box-shadow:var(--shadow-1);}
.btn-sm{height:40px;padding:0 20px;font-size:14px;}
.btn-ghost{border-color:var(--brand-700);color:var(--brand-700);background:transparent;}
.btn-ghost:hover{background:rgba(23,160,107,.08);transform:translateY(-1px);}
.btn-light{background:#fff;color:var(--ink-900);}
.btn-light:hover{background:var(--ink-800);color:#fff;transform:translateY(-1px);}
.btn-ghost-light{border-color:rgba(255,255,255,.5);color:#fff;background:transparent;}
.btn-ghost-light:hover{border-color:var(--brand-300);color:var(--brand-300);background:rgba(127,227,180,.08);}
.btn[disabled],.btn.is-disabled{opacity:.4;pointer-events:none;}

.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:8px;
  font-size:12px;font-weight:600;letter-spacing:.06em;line-height:1.6;
  background:var(--paper-100);color:var(--brand-700);
}
.badge-accent{background:rgba(255,106,43,.14);color:#B5400F;}
.badge-lime{background:rgba(214,242,90,.2);color:#3F4C0B;}
.badge-dark{background:rgba(255,255,255,.1);color:var(--brand-300);border:1px solid rgba(255,255,255,.16);}

.eyebrow{
  display:inline-block;font-size:12px;font-weight:700;
  letter-spacing:.14em;text-transform:uppercase;color:var(--brand-600);
  margin-bottom:12px;
}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand-700);}
.link-arrow::after{content:"→";transition:transform .2s ease;}
.link-arrow:hover{color:var(--accent-500);}
.link-arrow:hover::after{transform:translateX(4px);}

.num{font-family:var(--mono);font-variant-numeric:tabular-nums;}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--paper-0);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:var(--shadow-1);}
.header-inner{
  display:flex;align-items:center;gap:28px;
  height:72px;transition:height .22s ease;
}
.site-header.is-scrolled .header-inner{height:60px;}

.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  display:grid;place-items:center;width:36px;height:36px;
  background:var(--brand-700);color:#fff;
  font-family:var(--mono);font-size:13px;font-weight:700;letter-spacing:-.02em;
  clip-path:polygon(0 0,100% 0,100% 70%,70% 100%,0 100%);
  border-radius:8px;
}
.brand-name{font-size:17px;font-weight:700;color:var(--text-900);letter-spacing:-.01em;}

.primary-nav{display:flex;align-items:center;gap:26px;margin-left:auto;}
.primary-nav a{
  position:relative;padding:6px 2px;
  font-size:15px;font-weight:500;color:var(--text-700);
}
.primary-nav a::after{
  content:"";position:absolute;left:0;right:0;bottom:-3px;height:2px;
  background:var(--brand-600);transform:scaleX(0);transform-origin:left;
  transition:transform .22s ease;
}
.primary-nav a:hover{color:var(--brand-700);}
.primary-nav a:hover::after{transform:scaleX(1);}
.primary-nav a[aria-current="page"]{color:var(--brand-700);font-weight:600;}
.primary-nav a[aria-current="page"]::after{transform:scaleX(1);}

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

.mega-wrap{position:relative;}
.mega-trigger{
  display:inline-flex;align-items:center;gap:6px;
  height:40px;padding:0 16px;border-radius:999px;
  border:1px solid var(--line);background:#fff;
  font-size:14px;font-weight:500;color:var(--text-700);
  transition:border-color .2s ease,color .2s ease;
}
.mega-trigger:hover{border-color:var(--brand-500);color:var(--brand-700);}
.mega-trigger svg{transition:transform .22s ease;width:12px;height:12px;}
.mega-wrap:hover .mega-trigger svg,
.mega-wrap:focus-within .mega-trigger svg{transform:rotate(180deg);}

.mega-panel{
  position:absolute;right:0;top:calc(100% + 10px);
  width:720px;max-width:calc(100vw - 48px);
  display:grid;grid-template-columns:1fr 1fr;gap:24px;
  padding:22px;background:#fff;border:1px solid var(--line);
  border-radius:16px;box-shadow:var(--shadow-2);
  opacity:0;visibility:hidden;transform:translateY(-6px);
  transition:opacity .2s ease,transform .2s ease,visibility .2s;
}
.mega-wrap:hover .mega-panel,
.mega-wrap:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0);}
.mega-title{font-size:12px;font-weight:700;letter-spacing:.1em;color:var(--text-600);margin-bottom:12px;}
.mega-links{display:grid;gap:4px;}
.mega-link{display:flex;gap:10px;padding:8px;border-radius:10px;transition:background-color .2s ease;}
.mega-link:hover{background:var(--paper-50);}
.mega-link-dot{
  flex:0 0 auto;width:22px;height:22px;border-radius:6px;margin-top:3px;
  background:var(--paper-100);display:grid;place-items:center;
  font-family:var(--mono);font-size:10px;font-weight:700;color:var(--brand-700);
}
.mega-link-text{font-size:14px;font-weight:600;color:var(--text-900);line-height:1.5;}
.mega-link-desc{font-size:12px;color:var(--text-600);line-height:1.6;}
.mega-news{display:grid;gap:2px;}
.mega-news-item{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:8px;border-radius:10px;font-size:14px;color:var(--text-700);
  transition:background-color .2s ease,color .2s ease;
}
.mega-news-item:hover{background:var(--paper-50);color:var(--brand-700);}
.mega-news-time{font-family:var(--mono);font-size:12px;color:var(--text-600);flex:0 0 auto;}
.mega-card{
  display:block;margin-top:12px;border-radius:12px;overflow:hidden;
  border:1px solid var(--line);transition:transform .2s ease,box-shadow .2s ease;
}
.mega-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-1);}
.mega-card img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.mega-card span{display:block;padding:10px 12px;font-size:13px;font-weight:600;color:var(--text-900);}

.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text-900);position:relative;transition:.2s;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text-900);transition:.2s;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

/* 移动端抽屉 */
.drawer-overlay{
  position:fixed;inset:0;z-index:70;background:rgba(6,18,14,.55);
  opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s;
}
.drawer-overlay.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;z-index:80;width:320px;max-width:86vw;
  background:#fff;padding:20px;display:flex;flex-direction:column;gap:8px;
  transform:translateX(100%);transition:transform .28s cubic-bezier(.4,0,.2,1);
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:12px;border-bottom:1px solid var(--line);}
.drawer-close{width:44px;height:44px;border-radius:12px;border:1px solid var(--line);display:grid;place-items:center;font-size:18px;color:var(--text-700);}
.drawer-links{display:grid;gap:2px;margin-top:8px;}
.drawer-links a{
  display:flex;align-items:center;min-height:48px;padding:0 12px;border-radius:10px;
  font-size:15px;font-weight:500;color:var(--text-700);
}
.drawer-links a:hover,.drawer-links a:focus-visible{background:var(--paper-50);color:var(--brand-700);}
.drawer-links a[aria-current="page"]{background:var(--paper-100);color:var(--brand-700);font-weight:600;}
.drawer-cta{margin-top:16px;}

/* ============ 页头 Hero ============ */
.page-hero{
  position:relative;overflow:hidden;
  background:
    linear-gradient(100deg,rgba(6,18,14,.94) 0%,rgba(6,18,14,.82) 55%,rgba(10,27,21,.7) 100%),
    url(/assets/images/backpic/back-2.png) center/cover no-repeat;
  color:var(--text-inv);
  padding:72px 0 76px;
}
.page-hero::before{
  content:"";position:absolute;top:-40px;right:-80px;width:420px;height:420px;
  border:1px solid rgba(127,227,180,.18);border-radius:50%;pointer-events:none;
}
.page-hero::after{
  content:"";position:absolute;left:0;bottom:0;width:100%;height:8px;
  background:linear-gradient(90deg,var(--accent-500) 0%,var(--accent-500) 12%,transparent 12%);
  opacity:.85;
}
.page-hero-inner{
  position:relative;z-index:2;
  display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:48px;align-items:center;
}
.breadcrumb{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  font-size:13px;color:rgba(234,244,238,.72);margin-bottom:20px;
}
.breadcrumb a:hover{color:var(--brand-300);}
.breadcrumb span[aria-current]{color:var(--brand-300);}
.breadcrumb .sep{opacity:.5;}
.page-hero h1{
  font-size:46px;line-height:1.2;font-weight:700;letter-spacing:-.01em;
  color:#fff;margin:16px 0 18px;
}
.lede{
  font-size:17px;line-height:1.85;color:rgba(234,244,238,.86);
  max-width:620px;margin-bottom:28px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;}
.hero-stats{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.14);
  border-radius:var(--r-card);
  padding:24px;
  backdrop-filter:blur(2px);
}
.hero-stats .stat{padding:14px 0;border-bottom:1px dashed rgba(255,255,255,.16);}
.hero-stats .stat:last-child{border-bottom:0;padding-bottom:0;}
.hero-stats .stat:first-child{padding-top:0;}
.stat-num{
  font-family:var(--mono);font-variant-numeric:tabular-nums;
  font-size:30px;font-weight:700;color:var(--lime-400);line-height:1.3;
}
.stat-label{font-size:13px;color:rgba(234,244,238,.72);letter-spacing:.02em;}

/* ============ 板块 ============ */
.section{padding:96px 0;}
.section-light{background:var(--paper-50);}
.section-white{background:var(--paper-0);}
.section-dark{background:var(--ink-900);color:var(--text-inv);}
.section-dark h2,.section-dark h3{color:#fff;}

.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:40px;
  flex-wrap:wrap;
}
.section-head h2{
  font-size:32px;line-height:1.3;font-weight:700;letter-spacing:-.01em;color:var(--text-900);
  position:relative;padding-left:16px;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;
  background:var(--brand-600);border-radius:2px;
}
.section-dark .section-head h2::before{background:var(--brand-300);}
.section-note{max-width:420px;font-size:14px;line-height:1.8;color:var(--text-600);}
.section-dark .section-note{color:rgba(234,244,238,.72);}

/* ============ 权益卡片网格 ============ */
.reward-grid{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));
  gap:24px;margin-top:44px;
}
.reward-card{
  background:#fff;overflow:hidden;
  box-shadow:var(--shadow-1);
  clip-path:polygon(0 0,100% 0,100% calc(100% - 22px),calc(100% - 22px) 100%,0 100%);
  transition:transform .25s ease,box-shadow .25s ease;
}
.reward-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);}
.reward-media{overflow:hidden;background:linear-gradient(135deg,var(--brand-500),var(--ink-900));}
.reward-media img{
  width:100%;aspect-ratio:16/10;object-fit:cover;
  transition:transform .4s ease;
}
.reward-card:hover .reward-media img{transform:scale(1.03);}
.reward-body{padding:22px 24px 26px;}
.reward-body .badge{margin-bottom:12px;}
.reward-body h3{font-size:21px;line-height:1.5;font-weight:600;color:var(--text-900);margin-bottom:8px;}
.reward-body p{font-size:14px;line-height:1.8;color:var(--text-600);}
.reward-meta{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin-top:18px;padding-top:14px;border-top:1px solid var(--line);
  font-size:13px;color:var(--text-600);
}
.reward-meta .num{font-size:13px;color:var(--text-700);}

/* ============ 进度展示 ============ */
.progress-list{display:grid;gap:26px;margin-top:44px;}
.progress-row{
  display:grid;grid-template-columns:180px minmax(0,1fr) 76px;
  gap:20px;align-items:center;
}
.progress-label{font-size:15px;font-weight:500;color:var(--text-inv);}
.progress-track{
  position:relative;height:8px;border-radius:999px;overflow:hidden;
  background:rgba(255,255,255,.14);
}
.section-dark .progress-track{background:rgba(255,255,255,.14);}
.progress-fill{
  display:block;height:100%;border-radius:999px;
  background:linear-gradient(90deg,var(--brand-500),var(--lime-400));
}
.w-100{width:100%;}
.w-75{width:75%;}
.w-50{width:50%;}
.w-25{width:25%;}
.progress-num{
  font-family:var(--mono);font-variant-numeric:tabular-nums;
  font-size:15px;font-weight:700;color:var(--lime-400);text-align:right;
}
.progress-foot{
  margin-top:36px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;color:rgba(234,244,238,.66);
  display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;
}

/* ============ 条款说明 ============ */
.terms{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));
  gap:48px;margin-top:44px;
}
.terms-col h3{
  font-size:18px;font-weight:600;color:var(--text-900);
  padding-bottom:12px;margin-bottom:16px;border-bottom:1px solid var(--line);
}
.terms-col ul{display:grid;gap:14px;}
.terms-col li{
  position:relative;padding-left:18px;
  font-size:13.5px;line-height:1.85;color:var(--text-600);
}
.terms-col li::before{
  content:"";position:absolute;left:0;top:11px;
  width:6px;height:6px;border-radius:2px;background:var(--brand-500);
}
.terms-col li strong{color:var(--text-900);font-weight:600;}
.note{
  margin-top:40px;padding:20px 24px;border-left:3px solid var(--accent-500);
  background:var(--paper-50);border-radius:0 var(--r-sm) var(--r-sm) 0;
  font-size:13.5px;line-height:1.85;color:var(--text-600);
}

/* ============ FAQ ============ */
.faq-wrap{display:grid;grid-template-columns:320px minmax(0,1fr);gap:56px;margin-top:8px;}
.faq-intro h2{font-size:32px;line-height:1.3;font-weight:700;color:var(--text-900);margin-bottom:14px;letter-spacing:-.01em;}
.faq-intro p{font-size:14.5px;line-height:1.85;color:var(--text-600);margin-bottom:22px;}
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);transition:background-color .2s ease;}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:20px 4px;list-style:none;cursor:pointer;
  font-size:16px;font-weight:600;color:var(--text-900);
  transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--brand-700);}
.faq-item summary::after{
  content:"+";flex:0 0 auto;width:26px;height:26px;border-radius:8px;
  display:grid;place-items:center;background:var(--paper-100);color:var(--brand-700);
  font-size:16px;font-weight:600;line-height:1;transition:transform .2s ease,background-color .2s ease;
}
.faq-item[open] summary::after{transform:rotate(45deg);background:var(--brand-700);color:#fff;}
.faq-item[open]{background:var(--paper-50);}
.faq-a{padding:0 4px 22px;font-size:14.5px;line-height:1.85;color:var(--text-600);max-width:760px;}

/* ============ CTA ============ */
.cta-band{
  position:relative;overflow:hidden;
  background:
    linear-gradient(105deg,rgba(6,18,14,.95),rgba(10,27,21,.86)),
    url(/assets/images/backpic/back-3.png) center/cover no-repeat;
  color:#fff;
  padding:64px 56px;
  clip-path:polygon(0 0,100% 0,100% calc(100% - 30px),calc(100% - 30px) 100%,0 100%);
}
.cta-band::after{
  content:"";position:absolute;top:0;right:56px;width:2px;height:56%;
  background:linear-gradient(180deg,var(--accent-500),transparent);
  opacity:.8;
}
.cta-inner{position:relative;z-index:2;max-width:680px;}
.cta-band h2{font-size:32px;line-height:1.3;font-weight:700;margin-bottom:14px;letter-spacing:-.01em;}
.cta-band p{font-size:15.5px;line-height:1.85;color:rgba(234,244,238,.82);margin-bottom:28px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:16px;align-items:center;}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink-950);color:var(--text-inv);padding:72px 0 32px;}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px;
  padding-bottom:48px;
}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand .brand-mark{background:var(--brand-600);}
.footer-brand .brand-name{color:#fff;}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(234,244,238,.72);max-width:340px;}
.footer-nav-title{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px;}
.footer-links{display:grid;gap:10px;}
.footer-links a{font-size:14px;color:rgba(234,244,238,.8);}
.footer-links a:hover{color:var(--brand-300);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding-top:24px;display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap;
  font-size:13px;color:rgba(234,244,238,.66);
}
.footer-bottom .legal{font-size:12px;max-width:560px;line-height:1.8;color:rgba(234,244,238,.5);}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .container{max-width:1080px;}
  .page-hero h1{font-size:40px;}
  .mega-panel{width:640px;}
}
@media (max-width:1023px){
  .primary-nav{display:none;}
  .header-actions .btn{display:none;}
  .mega-wrap{display:none;}
  .nav-toggle{display:inline-flex;}
  .header-inner{gap:16px;}
  .section{padding:72px 0;}
  .page-hero{padding:56px 0 60px;}
  .page-hero-inner{grid-template-columns:1fr;gap:32px;}
  .hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;}
  .hero-stats .stat{padding:0;border-bottom:0;}
  .faq-wrap{grid-template-columns:1fr;gap:32px;}
  .terms{gap:36px;}
  .cta-band{padding:48px 36px;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .section{padding:56px 0;}
  .page-hero h1{font-size:32px;}
  .lede{font-size:15.5px;}
  .section-head h2,.faq-intro h2,.cta-band h2{font-size:26px;}
  .reward-grid{grid-template-columns:1fr;gap:20px;}
  .progress-row{grid-template-columns:1fr;gap:10px;}
  .progress-num{text-align:left;}
  .terms{grid-template-columns:1fr;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .footer-brand{grid-column:1 / -1;}
  .cta-band{padding:36px 24px;}
  .hero-stats{grid-template-columns:1fr;}
  .hero-stats .stat{padding:12px 0;border-bottom:1px dashed rgba(255,255,255,.16);}
  .hero-stats .stat:last-child{border-bottom:0;}
}
@media (max-width:480px){
  .page-hero h1{font-size:28px;}
  .footer-grid{grid-template-columns:1fr;}
  .hero-actions .btn{width:100%;}
  .faq-item summary{font-size:15px;padding:18px 2px;}
}

/* roulang page: category2 */
:root{
  --ink-950:#06120E;
  --ink-900:#0A1B15;
  --ink-800:#102A21;
  --brand-700:#0B6B48;
  --brand-600:#12855A;
  --brand-500:#17A06B;
  --brand-300:#7FE3B4;
  --accent-500:#FF6A2B;
  --accent-300:#FFB08A;
  --lime-400:#D6F25A;
  --paper-0:#FFFFFF;
  --paper-50:#F4F8F5;
  --paper-100:#E9F1EB;
  --line:#DCE7DF;
  --text-900:#0A1A14;
  --text-700:#33463D;
  --text-600:#5A6B62;
  --text-inv:#EAF4EE;
  --danger:#D64B39;
  --success:#12855A;
  --shadow-1:0 1px 2px rgba(6,18,14,.06),0 8px 24px -12px rgba(6,18,14,.18);
  --shadow-2:0 18px 40px -18px rgba(6,18,14,.30);
  --radius-card:16px;
  --radius-sm:10px;
  --radius-input:12px;
  --container:1200px;
  --font-sans:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Hiragino Sans GB",sans-serif;
  --font-mono:"SFMono-Regular",ui-monospace,"JetBrains Mono","Menlo",Consolas,monospace;
}
*,
*::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:1.85;
  color:var(--text-700);
  background:var(--paper-0);
  -webkit-font-smoothing:antialiased;
}
body.no-scroll{overflow:hidden;}
h1,h2,h3,h4,p,figure,ul,ol{margin:0;padding:0;}
ul,ol{list-style:none;}
img{max-width:100%;display:block;}
a{color:var(--brand-700);text-decoration:none;text-underline-offset:3px;transition:color .2s ease;}
a:hover{color:var(--accent-500);}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;border-radius:6px;}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}
.num{font-family:var(--font-mono);font-variant-numeric:tabular-nums;letter-spacing:.01em;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:48px;
  padding:0 28px;
  border-radius:999px;
  border:1.5px solid transparent;
  font-size:15px;
  font-weight:600;
  line-height:1.2;
  cursor:pointer;
  text-decoration:none;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-primary{background:var(--brand-700);color:#fff;}
.btn-primary:hover{background:var(--brand-600);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-1);}
.btn-primary:active{transform:translateY(0);box-shadow:none;}
.btn-ghost{border-color:var(--brand-700);color:var(--brand-700);background:transparent;}
.btn-ghost:hover{background:rgba(11,107,72,.08);color:var(--brand-700);}
.btn-light{background:#fff;color:var(--ink-900);}
.btn-light:hover{background:var(--brand-300);color:var(--ink-900);transform:translateY(-1px);}
.btn-outline-light{border-color:rgba(255,255,255,.42);color:var(--text-inv);background:transparent;}
.btn-outline-light:hover{border-color:var(--brand-300);color:var(--brand-300);background:rgba(255,255,255,.06);}
.btn-sm{min-height:40px;padding:0 20px;font-size:14px;}
.btn[disabled],.btn.is-disabled{opacity:.4;pointer-events:none;}
.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:600;
  color:var(--brand-700);
}
.link-arrow svg{transition:transform .2s ease;}
.link-arrow:hover svg{transform:translateX(4px);}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:120;
  background:var(--paper-0);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-stuck{box-shadow:var(--shadow-1);}
.header-inner{
  display:flex;
  align-items:center;
  gap:28px;
  height:72px;
  transition:height .25s ease;
}
.site-header.is-stuck .header-inner{height:60px;}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:var(--text-900);
  flex-shrink:0;
}
.brand:hover{color:var(--text-900);}
.brand-mark{
  display:inline-grid;
  place-items:center;
  width:36px;
  height:36px;
  background:var(--brand-700);
  color:#fff;
  font-size:13px;
  font-weight:700;
  letter-spacing:.02em;
  border-radius:8px;
  clip-path:polygon(12% 0,100% 0,88% 100%,0 100%);
}
.brand-name{
  font-size:17px;
  font-weight:700;
  letter-spacing:-.01em;
  white-space:nowrap;
}
.primary-nav{
  display:flex;
  align-items:center;
  gap:4px;
  margin-left:8px;
}
.primary-nav a{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:44px;
  padding:0 14px;
  font-size:15px;
  font-weight:500;
  color:var(--text-700);
  border-radius:8px;
  transition:color .2s ease,background .2s ease;
}
.primary-nav a:hover{color:var(--brand-700);background:var(--paper-50);}
.primary-nav a::after{
  content:"";
  position:absolute;
  left:14px;
  right:14px;
  bottom:4px;
  height:2px;
  border-radius:2px;
  background:var(--brand-600);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .2s ease;
}
.primary-nav a:hover::after{transform:scaleX(1);}
.primary-nav a[aria-current="page"]{color:var(--brand-700);font-weight:600;}
.primary-nav a[aria-current="page"]::after{transform:scaleX(1);}
.header-actions{
  display:flex;
  align-items:center;
  gap:12px;
  margin-left:auto;
}
.nav-more{position:relative;}
.more-btn{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:40px;
  padding:0 16px;
  font-size:14px;
  font-weight:600;
  color:var(--text-700);
  background:var(--paper-50);
  border:1px solid var(--line);
  border-radius:999px;
  cursor:pointer;
  transition:color .2s ease,border-color .2s ease,background .2s ease;
}
.more-btn:hover{color:var(--brand-700);border-color:var(--brand-300);background:#fff;}
.more-btn svg{transition:transform .25s ease;}
.nav-more:hover .more-btn svg,
.nav-more:focus-within .more-btn svg{transform:rotate(180deg);}
.mega-panel{
  position:absolute;
  right:0;
  top:calc(100% + 8px);
  width:720px;
  max-width:calc(100vw - 48px);
  background:#fff;
  border:1px solid var(--line);
  border-radius:16px;
  box-shadow:var(--shadow-2);
  padding:24px;
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:28px;
  opacity:0;
  visibility:hidden;
  transform:translateY(-6px);
  transition:opacity .2s ease,transform .2s ease,visibility .2s ease;
}
.nav-more:hover .mega-panel,
.nav-more:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0);}
.mega-title{
  font-size:12px;
  font-weight:600;
  letter-spacing:.08em;
  color:var(--text-600);
  margin-bottom:12px;
}
.mega-list li + li{margin-top:4px;}
.mega-list a{
  display:flex;
  gap:12px;
  align-items:flex-start;
  padding:10px 12px;
  border-radius:var(--radius-sm);
  color:var(--text-900);
  transition:background .2s ease;
}
.mega-list a:hover{background:var(--paper-50);color:var(--brand-700);}
.mega-ico{
  flex:0 0 22px;
  width:22px;
  height:22px;
  margin-top:3px;
  color:var(--brand-600);
}
.mega-item-title{display:block;font-size:14px;font-weight:600;line-height:1.5;}
.mega-item-desc{display:block;font-size:12.5px;color:var(--text-600);line-height:1.6;}
.mega-news li + li{border-top:1px solid var(--line);}
.mega-news a{
  display:flex;
  justify-content:space-between;
  gap:12px;
  padding:10px 0;
  font-size:13.5px;
  color:var(--text-700);
}
.mega-news a:hover{color:var(--brand-700);}
.mega-news .time{font-size:12px;color:var(--text-600);white-space:nowrap;}
.mega-card{
  display:block;
  margin-top:16px;
  border:1px solid var(--line);
  border-radius:var(--radius-sm);
  overflow:hidden;
  background:var(--paper-50);
}
.mega-card img{
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
  transition:transform .3s ease;
}
.mega-card:hover img{transform:translateY(-2px);}
.mega-card-body{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  padding:10px 12px;
  font-size:13.5px;
  font-weight:600;
  color:var(--text-900);
}
.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  padding:0;
  border:1px solid var(--line);
  border-radius:var(--radius-sm);
  background:#fff;
  cursor:pointer;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:4px;
}
.nav-toggle span{
  display:block;
  width:18px;
  height:2px;
  border-radius:2px;
  background:var(--text-900);
}
.drawer-mask{
  position:fixed;
  inset:0;
  z-index:190;
  background:rgba(6,18,14,.55);
}
.drawer-mask[hidden]{display:none;}
.mobile-drawer{
  position:fixed;
  top:0;
  right:0;
  z-index:200;
  width:320px;
  max-width:86vw;
  height:100%;
  padding:24px;
  overflow-y:auto;
  background:#fff;
  transform:translateX(100%);
  transition:transform .3s ease;
  display:none;
}
.mobile-drawer.is-open{transform:translateX(0);}
.drawer-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  margin-bottom:20px;
}
.drawer-close{
  width:44px;
  height:44px;
  border:1px solid var(--line);
  border-radius:var(--radius-sm);
  background:#fff;
  font-size:20px;
  line-height:1;
  color:var(--text-700);
  cursor:pointer;
}
.drawer-nav a{
  display:block;
  padding:14px 4px;
  font-size:16px;
  font-weight:500;
  color:var(--text-900);
  border-bottom:1px solid var(--line);
}
.drawer-nav a[aria-current="page"]{color:var(--brand-700);font-weight:600;}
.drawer-card{
  display:block;
  margin-top:24px;
  border:1px solid var(--line);
  border-radius:var(--radius-sm);
  overflow:hidden;
  background:var(--paper-50);
}
.drawer-card img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.drawer-card span{display:block;padding:12px;font-size:14px;font-weight:600;color:var(--text-900);}

/* ============ 面包屑 ============ */
.breadcrumb{
  background:var(--paper-50);
  border-bottom:1px solid var(--line);
}
.breadcrumb ol{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  padding:14px 0;
  font-size:13px;
  color:var(--text-600);
}
.breadcrumb li{display:inline-flex;align-items:center;gap:8px;}
.breadcrumb li + li::before{
  content:"";
  width:1px;
  height:12px;
  background:var(--line);
  transform:skewX(-18deg);
}
.breadcrumb a{color:var(--text-600);}
.breadcrumb a:hover{color:var(--brand-700);}
.breadcrumb [aria-current="page"]{color:var(--text-900);font-weight:600;}

/* ============ 页头 ============ */
.page-hero{
  position:relative;
  overflow:hidden;
  padding:72px 0 84px;
  background:var(--ink-900);
  color:var(--text-inv);
}
.page-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:linear-gradient(100deg,rgba(6,18,14,.94) 0%,rgba(6,18,14,.86) 46%,rgba(6,18,14,.72) 100%),url("/assets/images/backpic/back-2.png");
  background-size:cover;
  background-position:center;
  opacity:.95;
}
.page-hero::after{
  content:"";
  position:absolute;
  right:-140px;
  top:-120px;
  width:520px;
  height:520px;
  border:1.5px solid rgba(127,227,180,.22);
  border-radius:50%;
  pointer-events:none;
}
.hero-grid{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:1.12fr .88fr;
  gap:56px;
  align-items:center;
}
.hero-badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  border-radius:999px;
  border:1px solid rgba(127,227,180,.36);
  background:rgba(23,160,107,.14);
  color:var(--brand-300);
  font-size:12px;
  font-weight:600;
  letter-spacing:.06em;
}
.hero-badge .dot{
  width:6px;
  height:6px;
  border-radius:50%;
  background:var(--lime-400);
}
.page-hero h1{
  margin-top:20px;
  font-size:clamp(30px,3.6vw,48px);
  line-height:1.2;
  font-weight:700;
  letter-spacing:-.01em;
  color:#fff;
}
.hero-lead{
  margin-top:18px;
  max-width:620px;
  font-size:16.5px;
  line-height:1.9;
  color:rgba(234,244,238,.84);
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:30px;
}
.hero-tags{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:28px;
}
.hero-tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:7px 14px;
  border-radius:999px;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.14);
  font-size:13px;
  color:rgba(234,244,238,.86);
}
.hero-tag b{
  font-family:var(--font-mono);
  font-variant-numeric:tabular-nums;
  color:var(--lime-400);
  font-weight:700;
}
.hero-visual{position:relative;}
.hero-photo{
  position:relative;
  border-radius:var(--radius-card);
  overflow:hidden;
  border:1px solid rgba(255,255,255,.14);
  clip-path:polygon(0 0,100% 0,100% calc(100% - 26px),calc(100% - 26px) 100%,0 100%);
}
.hero-photo img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
}
.hero-meter{
  position:relative;
  margin-top:-38px;
  margin-left:24px;
  margin-right:12px;
  padding:18px 20px;
  background:var(--ink-800);
  border:1px solid rgba(255,255,255,.14);
  border-radius:var(--radius-card);
  box-shadow:0 18px 40px -18px rgba(0,0,0,.6);
}
.meter-top{
  display:flex;
  align-items:baseline;
  justify-content:space-between;
  gap:12px;
}
.meter-label{font-size:12.5px;color:rgba(234,244,238,.66);letter-spacing:.06em;}
.meter-value{
  font-family:var(--font-mono);
  font-variant-numeric:tabular-nums;
  font-size:30px;
  font-weight:700;
  line-height:1.1;
  color:#fff;
}
.meter-value span{font-size:13px;font-weight:600;color:var(--brand-300);margin-left:4px;}
.meter-bar{
  height:8px;
  margin-top:12px;
  border-radius:8px;
  background:rgba(255,255,255,.12);
  overflow:hidden;
}
.meter-bar span{
  display:block;
  width:100%;
  height:100%;
  border-radius:8px;
  background:linear-gradient(90deg,var(--brand-500),var(--lime-400));
}
.meter-note{
  margin-top:10px;
  font-size:12.5px;
  color:rgba(234,244,238,.62);
}

/* ============ 通用板块 ============ */
.section{padding:96px 0;}
.section-alt{background:var(--paper-50);}
.section-dark{background:var(--ink-900);color:var(--text-inv);}
.section-head{max-width:720px;}
.section-head h2{
  position:relative;
  padding-left:16px;
  font-size:clamp(24px,2.6vw,32px);
  line-height:1.3;
  font-weight:700;
  color:var(--text-900);
  letter-spacing:-.01em;
}
.section-head h2::before{
  content:"";
  position:absolute;
  left:0;
  top:6px;
  bottom:6px;
  width:4px;
  border-radius:2px;
  background:var(--brand-600);
}
.section-head p{margin-top:14px;font-size:15.5px;color:var(--text-600);}
.section-dark .section-head h2{color:#fff;}
.section-dark .section-head p{color:rgba(234,244,238,.72);}

/* ============ 时间轴布局 ============ */
.guide-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 340px;
  gap:48px;
  align-items:start;
  margin-top:48px;
}
.timeline{position:relative;}
.timeline-item{
  position:relative;
  padding:0 0 32px 76px;
}
.timeline-item::before{
  content:"";
  position:absolute;
  left:23px;
  top:52px;
  bottom:6px;
  width:2px;
  background:var(--line);
}
.timeline-item:last-child{padding-bottom:0;}
.timeline-item:last-child::before{display:none;}
.timeline-num{
  position:absolute;
  left:0;
  top:0;
  display:grid;
  place-items:center;
  width:48px;
  height:48px;
  border-radius:50%;
  background:#fff;
  border:2px solid var(--brand-500);
  color:var(--brand-700);
  font-family:var(--font-mono);
  font-variant-numeric:tabular-nums;
  font-size:15px;
  font-weight:700;
}
.timeline-item.is-key .timeline-num{
  background:var(--brand-700);
  border-color:var(--brand-700);
  color:#fff;
}
.step-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:24px 26px;
  box-shadow:var(--shadow-1);
  transition:box-shadow .25s ease,transform .25s ease,border-color .25s ease;
}
.step-card:hover{
  transform:translateY(-2px);
  box-shadow:var(--shadow-2);
  border-color:var(--brand-300);
}
.step-head{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
}
.step-head h3{
  font-size:20px;
  line-height:1.5;
  font-weight:600;
  color:var(--text-900);
}
.tip-badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:3px 10px;
  border-radius:8px;
  background:var(--paper-100);
  color:var(--brand-700);
  font-size:12px;
  font-weight:600;
  letter-spacing:.04em;
}
.tip-badge.is-accent{
  background:rgba(255,106,43,.12);
  color:#B84A1C;
}
.step-card p{margin-top:12px;font-size:15.5px;line-height:1.9;color:var(--text-700);}
.step-points{
  margin-top:14px;
  display:grid;
  gap:8px;
  padding-top:14px;
  border-top:1px dashed var(--line);
}
.step-points li{
  position:relative;
  padding-left:18px;
  font-size:14px;
  line-height:1.75;
  color:var(--text-600);
}
.step-points li::before{
  content:"";
  position:absolute;
  left:0;
  top:9px;
  width:7px;
  height:7px;
  border-radius:2px;
  background:var(--brand-500);
  transform:rotate(45deg);
}

/* ============ 侧栏卡片 ============ */
.side-col{position:sticky;top:96px;display:grid;gap:20px;}
.side-card{
  background:var(--paper-50);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:24px;
}
.side-card h3{
  font-size:17px;
  font-weight:700;
  color:var(--text-900);
  line-height:1.5;
}
.side-card .side-sub{
  margin-top:6px;
  font-size:13.5px;
  color:var(--text-600);
}
.side-list{margin-top:16px;display:grid;gap:12px;}
.side-list li{
  position:relative;
  padding-left:26px;
  font-size:14px;
  line-height:1.75;
  color:var(--text-700);
}
.side-list li::before{
  content:"";
  position:absolute;
  left:0;
  top:4px;
  width:16px;
  height:16px;
  border-radius:50%;
  border:1.5px solid var(--brand-600);
  background:
    radial-gradient(circle at center,var(--brand-600) 0 3px,transparent 3px) no-repeat center;
}
.side-card .btn{width:100%;margin-top:20px;}
.side-divider{height:1px;background:var(--line);margin:18px 0;}
.side-meta{
  display:flex;
  justify-content:space-between;
  gap:10px;
  font-size:13px;
  color:var(--text-600);
}
.side-meta b{
  font-family:var(--font-mono);
  font-variant-numeric:tabular-nums;
  color:var(--brand-700);
}

/* ============ 登录方式对照 ============ */
.compare-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
  margin-top:44px;
}
.compare-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:transform .25s ease,box-shadow .25s ease;
  display:flex;
  flex-direction:column;
}
.compare-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);}
.compare-card img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  transition:transform .4s ease;
}
.compare-card:hover img{transform:scale(1.03);}
.compare-body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.compare-body .badge{
  align-self:flex-start;
  padding:4px 10px;
  border-radius:8px;
  background:var(--paper-100);
  color:var(--brand-700);
  font-size:12px;
  font-weight:600;
  letter-spacing:.04em;
}
.compare-body h3{font-size:19px;font-weight:600;line-height:1.5;color:var(--text-900);}
.compare-body p{font-size:14.5px;line-height:1.85;color:var(--text-600);}
.compare-body .link-arrow{margin-top:auto;padding-top:8px;}

/* ============ FAQ ============ */
.faq-layout{
  display:grid;
  grid-template-columns:.82fr 1.18fr;
  gap:56px;
  align-items:start;
}
.faq-side p{margin-top:14px;font-size:15px;color:var(--text-600);}
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item summary{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:20px 4px;
  font-size:16px;
  font-weight:600;
  color:var(--text-900);
  cursor:pointer;
  list-style:none;
  transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--brand-700);}
.faq-icon{
  flex:0 0 24px;
  width:24px;
  height:24px;
  position:relative;
  border-radius:50%;
  border:1.5px solid var(--brand-600);
  transition:transform .25s ease,background .25s ease;
}
.faq-icon::before,
.faq-icon::after{
  content:"";
  position:absolute;
  left:50%;
  top:50%;
  background:var(--brand-700);
  transform:translate(-50%,-50%);
  transition:background .25s ease;
}
.faq-icon::before{width:10px;height:1.5px;}
.faq-icon::after{width:1.5px;height:10px;}
.faq-item[open] summary{color:var(--brand-700);}
.faq-item[open] .faq-icon{transform:rotate(45deg);background:var(--brand-700);border-color:var(--brand-700);}
.faq-item[open] .faq-icon::before,
.faq-item[open] .faq-icon::after{background:#fff;}
.faq-answer{
  padding:0 4px 22px;
  font-size:15px;
  line-height:1.9;
  color:var(--text-700);
}
.faq-item[open] .faq-answer{background:var(--paper-50);margin:0 -8px;padding:16px 12px 20px;border-radius:var(--radius-sm);}

/* ============ CTA ============ */
.cta-band{
  position:relative;
  overflow:hidden;
  background:var(--ink-950);
  color:var(--text-inv);
  padding:72px 0;
  clip-path:polygon(0 0,100% 14px,100% 100%,0 calc(100% - 14px));
}
.cta-band::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:linear-gradient(100deg,rgba(6,18,14,.96),rgba(10,27,21,.82)),url("/assets/images/backpic/back-3.png");
  background-size:cover;
  background-position:center;
}
.cta-inner{
  position:relative;
  z-index:2;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:32px;
}
.cta-inner h2{
  font-size:clamp(23px,2.4vw,30px);
  line-height:1.35;
  font-weight:700;
  color:#fff;
}
.cta-inner p{
  margin-top:12px;
  max-width:640px;
  font-size:15px;
  color:rgba(234,244,238,.78);
}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ============ 返回顶部 ============ */
.to-top{
  position:fixed;
  right:24px;
  bottom:24px;
  z-index:110;
  width:46px;
  height:46px;
  display:grid;
  place-items:center;
  border-radius:50%;
  border:1px solid var(--line);
  background:#fff;
  color:var(--brand-700);
  box-shadow:var(--shadow-1);
  cursor:pointer;
  opacity:0;
  visibility:hidden;
  transform:translateY(8px);
  transition:opacity .25s ease,transform .25s ease,visibility .25s ease;
}
.to-top.is-visible{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{background:var(--paper-50);color:var(--brand-600);}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--ink-950);
  color:var(--text-inv);
  padding:72px 0 32px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:32px;
}
.site-footer .brand{color:#fff;}
.site-footer .brand:hover{color:#fff;}
.site-footer .brand-mark{background:var(--brand-500);}
.site-footer .brand-name{color:#fff;font-size:17px;}
.footer-brand p{
  margin-top:16px;
  max-width:340px;
  font-size:14px;
  line-height:1.85;
  color:rgba(234,244,238,.72);
}
.footer-nav-title{
  font-size:14px;
  font-weight:600;
  color:#fff;
  margin-bottom:14px;
}
.footer-links li + li{margin-top:10px;}
.footer-links a{
  font-size:14px;
  color:rgba(234,244,238,.8);
  transition:color .2s ease;
}
.footer-links a:hover{color:var(--brand-300);}
.footer-bottom{
  margin-top:48px;
  padding-top:24px;
  border-top:1px solid rgba(255,255,255,.1);
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:12px;
}
.footer-bottom p{
  font-size:13px;
  color:rgba(234,244,238,.62);
}
.footer-bottom .legal{
  max-width:640px;
  font-size:12px;
  color:rgba(234,244,238,.46);
  line-height:1.8;
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .header-inner{gap:16px;}
  .primary-nav a{padding:0 10px;font-size:14.5px;}
}
@media (max-width:1023px){
  .primary-nav,.header-actions .btn{display:none;}
  .nav-toggle{display:inline-flex;}
  .mobile-drawer{display:block;}
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .hero-visual{max-width:560px;}
  .page-hero{padding:56px 0 64px;}
  .section{padding:72px 0;}
  .guide-layout{grid-template-columns:1fr;gap:32px;}
  .side-col{position:static;}
  .faq-layout{grid-template-columns:1fr;gap:36px;}
  .compare-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .mega-panel{display:none;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .header-inner{height:64px;}
  .brand-name{font-size:15.5px;}
  .page-hero{padding:44px 0 52px;}
  .hero-lead{font-size:15px;}
  .hero-actions{gap:10px;}
  .hero-actions .btn{flex:1 1 auto;min-height:46px;padding:0 20px;}
  .section{padding:56px 0;}
  .section-head h2{padding-left:14px;}
  .guide-layout{margin-top:32px;}
  .timeline-item{padding-left:60px;padding-bottom:24px;}
  .timeline-item::before{left:19px;top:46px;}
  .timeline-num{width:40px;height:40px;font-size:13px;}
  .step-card{padding:20px 18px;}
  .step-head h3{font-size:18px;}
  .compare-grid{grid-template-columns:1fr;}
  .cta-band{padding:52px 0;clip-path:none;}
  .cta-actions .btn{flex:1 1 auto;}
  .site-footer{padding:56px 0 28px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;}
  .to-top{right:16px;bottom:16px;}
}
@media (max-width:420px){
  .hero-tags{gap:8px;}
  .hero-tag{font-size:12px;padding:6px 12px;}
  .brand-name{font-size:14.5px;}
  .brand-mark{width:32px;height:32px;font-size:12px;}
}