/* roulang page: index */
:root{
  --primary:#00C08B;
  --primary-600:#00926B;
  --primary-bright:#4FE0B4;
  --primary-100:#DFF7EE;
  --reward:#FF7A2F;
  --reward-100:#FFEAD9;
  --ink-900:#0B0A14;
  --ink-800:#151129;
  --ink-700:#221A3D;
  --ink-line:rgba(255,255,255,.10);
  --paper:#F7F5F0;
  --paper-2:#FFFFFF;
  --line:#E7E3DA;
  --txt:#F2F0FA;
  --txt-2:#B9B3CC;
  --txt-3:#8A8496;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:20px;
  --r-pill:999px;
  --sh-dark:0 2px 10px rgba(0,0,0,.35);
  --sh-dark-hover:0 8px 26px rgba(0,0,0,.45);
  --ease:cubic-bezier(.2,.7,.3,1);
  --sec:88px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  background:var(--ink-800);
  color:var(--txt);
  letter-spacing:.01em;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.01em;line-height:1.35}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
.num{font-variant-numeric:tabular-nums}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}

.shell{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media (min-width:1400px){.shell{max-width:1280px}}
@media (max-width:575.98px){.shell{padding:0 16px}}

.section{padding:var(--sec) 0}
@media (max-width:991.98px){.section{padding:64px 0}}
@media (max-width:575.98px){.section{padding:48px 0}}

.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px}
.sec-title{font-size:clamp(22px,3vw,32px)}
.sec-sub{margin-top:10px;color:var(--txt-2);font-size:15px;max-width:640px}
.sec-more{color:var(--primary-bright);font-size:14px;font-weight:700;display:inline-flex;align-items:center;gap:6px;min-height:44px;white-space:nowrap}
.sec-more i{transition:transform .22s var(--ease)}
.sec-more:hover i{transform:translateX(4px)}
@media (max-width:575.98px){.sec-head{flex-direction:column;align-items:flex-start;gap:12px}}

/* ===== 顶部导航 ===== */
.site-header{position:relative;z-index:1040}
.topbar{background:var(--ink-800);border-bottom:1px solid var(--ink-line)}
.topbar-inner{display:flex;align-items:center;gap:20px;height:68px}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto}
.brand-mark{
  width:40px;height:40px;border-radius:12px;flex:0 0 auto;
  background:linear-gradient(135deg,var(--primary),var(--primary-600));
  color:var(--ink-900);display:grid;place-items:center;font-weight:800;font-size:15px;
}
.brand-text{display:flex;flex-direction:column;line-height:1.18}
.brand-text b{font-size:15px;font-weight:800;color:#fff;white-space:nowrap}
.brand-text em{font-style:normal;font-size:12px;color:var(--primary-bright);letter-spacing:.08em;white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:2px;margin-left:10px}
.nav-item-link{
  display:inline-flex;align-items:center;height:44px;padding:0 15px;border-radius:var(--r-pill);
  font-size:15px;color:var(--txt-2);transition:color .2s var(--ease),background .2s var(--ease),transform .2s var(--ease);
}
.nav-item-link:hover{color:#fff;background:rgba(255,255,255,.06);transform:translateY(-2px)}
.nav-item-link.active{color:var(--primary-bright);background:rgba(0,192,139,.14);font-weight:700}
.topbar-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.icon-btn{
  width:44px;height:44px;border-radius:var(--r-md);border:1px solid var(--ink-line);
  background:rgba(255,255,255,.04);color:var(--txt-2);display:grid;place-items:center;cursor:pointer;
  transition:color .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease);
}
.icon-btn:hover{color:#fff;border-color:rgba(0,192,139,.5);background:rgba(0,192,139,.12)}
.hamburger{width:44px;height:44px;border-radius:var(--r-md);border:1px solid var(--ink-line);background:rgba(255,255,255,.04);color:var(--txt);cursor:pointer;display:grid;place-items:center}

.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--r-md);
  background:var(--primary);color:var(--ink-900);font-weight:800;font-size:15px;
  border:1px solid transparent;cursor:pointer;
  transition:transform .22s var(--ease),background .22s var(--ease),box-shadow .22s var(--ease);
}
.btn-main:hover{background:#00B081;transform:translateY(-2px);box-shadow:0 0 0 6px rgba(0,192,139,.18)}
.btn-main:active{transform:translateY(0)}
.btn-main.btn-sm{height:42px;padding:0 20px;font-size:14px}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-md);
  background:transparent;border:1.5px solid var(--primary);color:var(--primary-bright);
  font-weight:700;font-size:15px;
  transition:background .22s var(--ease),transform .22s var(--ease),color .22s var(--ease);
}
.btn-ghost:hover{background:rgba(0,192,139,.16);color:#fff;transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}

.search-panel{background:var(--ink-700);border-bottom:1px solid var(--ink-line);display:none}
.search-panel.show{display:block}
.search-panel form{display:flex;gap:12px;padding:16px 0}
.search-input{
  flex:1;height:48px;border-radius:var(--r-md);border:1px solid var(--ink-line);
  background:rgba(255,255,255,.05);color:var(--txt);padding:0 18px;
}
.search-input::placeholder{color:var(--txt-3)}
.search-input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(0,192,139,.18)}

.channel-bar{position:sticky;top:0;z-index:1030;background:var(--ink-800);border-bottom:1px solid var(--ink-line);transition:box-shadow .2s var(--ease)}
.channel-bar.is-stuck{box-shadow:0 2px 10px rgba(0,0,0,.35)}
.channel-scroll{
  display:flex;align-items:center;gap:10px;height:58px;overflow-x:auto;
  scrollbar-width:none;-ms-overflow-style:none;-webkit-overflow-scrolling:touch;
}
.channel-scroll::-webkit-scrollbar{display:none}
.pill{
  flex:0 0 auto;display:inline-flex;align-items:center;min-height:44px;padding:0 18px;
  border-radius:var(--r-pill);border:1px solid var(--ink-line);color:var(--txt-2);font-size:14px;
  transition:transform .2s var(--ease),color .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease);
}
.pill:hover{transform:translateY(-2px);color:#fff;background:rgba(255,255,255,.06);border-color:rgba(0,192,139,.45)}
.pill.active{border-color:var(--primary);background:rgba(0,192,139,.16);color:var(--primary-bright);font-weight:700}

/* ===== Hero ===== */
.hero{
  position:relative;overflow:hidden;padding:100px 0 84px;
  background-image:linear-gradient(112deg,rgba(11,10,20,.95) 0%,rgba(21,17,41,.88) 46%,rgba(34,26,61,.72) 100%),
                   url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
}
.hero::after{
  content:"";position:absolute;right:-140px;top:-120px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(0,192,139,.22),transparent 66%);pointer-events:none;
}
.hero-inner{position:relative;z-index:2;max-width:760px}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;padding:7px 16px;border-radius:var(--r-pill);
  background:var(--reward-100);color:#8A3B05;font-size:13px;font-weight:700;margin-bottom:22px;
}
.hero-tag i{color:var(--reward)}
.hero h1{font-size:clamp(28px,4.4vw,46px);line-height:1.28}
.hero h1 span{color:var(--primary-bright)}
.hero-lead{margin-top:22px;font-size:17px;color:var(--txt-2);line-height:1.9;max-width:660px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:36px}
.hero-badges{display:flex;flex-wrap:wrap;gap:12px;margin-top:44px}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;padding:10px 16px;border-radius:var(--r-pill);
  border:1px solid var(--ink-line);background:rgba(255,255,255,.04);font-size:13.5px;color:var(--txt-2);
}
.hero-badge b{color:var(--primary-bright);font-variant-numeric:tabular-nums;font-weight:800}
@media (max-width:767.98px){
  .hero{padding:64px 0 56px;min-height:60vh;display:flex;align-items:center}
  .hero-lead{font-size:16px}
}

/* ===== 步骤条 ===== */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.step{
  position:relative;background:var(--ink-700);border:1px solid var(--ink-line);border-radius:var(--r-lg);
  padding:26px 22px;box-shadow:var(--sh-dark);transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.step:hover{transform:translateY(-3px);box-shadow:var(--sh-dark-hover)}
.step-num{
  width:42px;height:42px;border-radius:12px;background:rgba(0,192,139,.16);color:var(--primary-bright);
  display:grid;place-items:center;font-weight:800;font-size:16px;margin-bottom:16px;
  font-variant-numeric:tabular-nums;
}
.step h3{font-size:18px;margin-bottom:8px}
.step p{font-size:14.5px;color:var(--txt-2);line-height:1.8}
@media (max-width:991.98px){.steps{grid-template-columns:repeat(2,1fr)}}
@media (max-width:575.98px){
  .steps{grid-template-columns:1fr;gap:16px}
  .step{padding:20px 18px}
  .step::before{
    content:"";position:absolute;left:40px;top:0;bottom:-16px;width:1px;
    background:linear-gradient(180deg,rgba(0,192,139,.6),rgba(0,192,139,0));
  }
  .step:last-child::before{display:none}
}

/* ===== 奖励卡片 ===== */
.reward-card{
  position:relative;height:100%;background:var(--ink-700);border:1px solid var(--ink-line);
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-dark);display:flex;flex-direction:column;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.reward-card:hover{transform:translateY(-3px);box-shadow:var(--sh-dark-hover)}
.reward-card:hover .reward-title{color:var(--primary-bright)}
.reward-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:#1B1633}
.reward-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease)}
.reward-card:hover .reward-thumb img{transform:scale(1.04)}
.reward-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.reward-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.badge-reward{display:inline-flex;align-items:center;padding:4px 12px;border-radius:var(--r-pill);background:var(--reward-100);color:#8A3B05;font-size:12.5px;font-weight:700}
.badge-cat{display:inline-flex;align-items:center;padding:4px 12px;border-radius:var(--r-pill);background:rgba(0,192,139,.16);color:var(--primary-bright);font-size:12.5px;font-weight:700}
.reward-title{font-size:18px;color:#fff;transition:color .2s var(--ease)}
.reward-text{font-size:14.5px;color:var(--txt-2);line-height:1.8}
.reward-foot{margin-top:auto;padding-top:12px;font-size:14px;font-weight:700;color:var(--primary-bright);display:inline-flex;align-items:center;gap:6px}
.reward-foot i{transition:transform .22s var(--ease)}
.reward-card:hover .reward-foot i{transform:translateX(4px)}
.ticket::before{
  content:"";position:absolute;left:22px;top:calc(56.25% + 20px);width:72px;height:1px;
  background-image:linear-gradient(90deg,rgba(255,255,255,.5) 0 6px,transparent 6px 12px);
  background-size:12px 1px;background-repeat:repeat-x;
}

/* ===== 进度区 ===== */
.progress-wrap{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);gap:48px;align-items:center;
  background:var(--ink-700);border:1px solid var(--ink-line);border-radius:var(--r-lg);
  padding:48px;box-shadow:var(--sh-dark);
}
.progress-wrap h2{font-size:clamp(22px,3vw,30px);margin-bottom:16px}
.progress-wrap p{color:var(--txt-2);font-size:15.5px}
.meter{margin-bottom:26px}
.meter:last-child{margin-bottom:0}
.meter-head{display:flex;justify-content:space-between;align-items:baseline;font-size:14.5px;margin-bottom:10px}
.meter-head b{color:var(--primary-bright);font-size:17px}
.meter-track{height:8px;border-radius:var(--r-pill);background:rgba(255,255,255,.10);overflow:hidden}
.meter-fill{height:100%;border-radius:var(--r-pill);background:linear-gradient(90deg,var(--primary),var(--reward));width:0;transition:width 1.2s var(--ease)}
.milestones{display:flex;justify-content:space-between;gap:8px;margin-top:34px;position:relative}
.milestone{flex:1;text-align:center;font-size:13px;color:var(--txt-2)}
.milestone .dot{
  width:12px;height:12px;border-radius:50%;margin:0 auto 12px;border:2px solid rgba(255,255,255,.28);
  background:transparent;
}
.milestone.done .dot{background:var(--primary);border-color:var(--primary);box-shadow:0 0 0 4px rgba(0,192,139,.20)}
.milestone.done{color:#fff;font-weight:700}
@media (max-width:991.98px){
  .progress-wrap{grid-template-columns:1fr;gap:32px;padding:32px 24px}
  .milestones{flex-direction:column;gap:16px;text-align:left}
  .milestone{display:flex;align-items:center;gap:12px;text-align:left}
  .milestone .dot{margin:0;flex:0 0 auto}
}

/* ===== 图文核对区 ===== */
.check-grid{display:grid;grid-template-columns:5fr 7fr;gap:44px;align-items:center}
.check-media{border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--ink-line);box-shadow:var(--sh-dark)}
.check-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.check-list li{display:flex;gap:14px;padding:16px 0;border-bottom:1px dashed rgba(255,255,255,.12)}
.check-list li:last-child{border-bottom:0}
.check-list .sq{width:8px;height:8px;border-radius:2px;background:var(--primary);flex:0 0 auto;margin-top:11px}
.check-list b{display:block;color:#fff;font-size:16px;margin-bottom:4px}
.check-list span{color:var(--txt-2);font-size:14.5px}
@media (max-width:991.98px){.check-grid{grid-template-columns:1fr;gap:28px}}

/* ===== 内容列表卡 ===== */
.post-card{
  display:flex;flex-direction:column;height:100%;background:var(--ink-700);border:1px solid var(--ink-line);
  border-radius:var(--r-lg);padding:24px;box-shadow:var(--sh-dark);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.post-card:hover{transform:translateY(-3px);box-shadow:var(--sh-dark-hover);border-color:rgba(0,192,139,.45)}
.post-card:hover .post-title{color:var(--primary-bright)}
.post-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:14px;font-size:12.5px;color:var(--txt-3)}
.post-title{font-size:18px;color:#fff;line-height:1.55;transition:color .2s var(--ease);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-excerpt{margin-top:12px;font-size:14.5px;color:var(--txt-2);line-height:1.8;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-foot{margin-top:auto;padding-top:16px;font-size:14px;font-weight:700;color:var(--primary-bright);display:inline-flex;align-items:center;gap:6px}
.post-foot i{transition:transform .22s var(--ease)}
.post-card:hover .post-foot i{transform:translateX(4px)}
.empty-state{
  min-height:220px;border:1px dashed rgba(255,255,255,.18);border-radius:var(--r-lg);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  color:var(--txt-2);font-size:15px;text-align:center;padding:32px;
}
.empty-state i{font-size:28px;color:var(--primary-bright);opacity:.8}

/* ===== FAQ ===== */
.faq-acc .accordion-item{
  background:var(--ink-700);border:1px solid var(--ink-line);border-radius:var(--r-md) !important;
  margin-bottom:14px;overflow:hidden;
}
.faq-acc .accordion-button{
  background:transparent;color:#fff;font-weight:600;font-size:16px;padding:20px 22px;
  box-shadow:none;border-radius:var(--r-md) !important;line-height:1.7;
}
.faq-acc .accordion-button:not(.collapsed){color:var(--primary-bright);background:rgba(0,192,139,.10)}
.faq-acc .accordion-button::after{display:none}
.faq-acc .accordion-button:focus{box-shadow:0 0 0 3px rgba(0,192,139,.20)}
.faq-acc .faq-icon{
  margin-left:auto;flex:0 0 auto;width:26px;height:26px;border-radius:8px;
  border:1px solid rgba(0,192,139,.45);color:var(--primary-bright);
  display:grid;place-items:center;font-weight:800;font-size:15px;line-height:1;
}
.faq-acc .faq-icon::before{content:"+"}
.faq-acc .accordion-button:not(.collapsed) .faq-icon::before{content:"–"}
.faq-acc .accordion-body{color:var(--txt-2);font-size:15px;line-height:1.85;padding:4px 22px 22px}

/* ===== CTA ===== */
.cta-band{
  background:linear-gradient(105deg,rgba(0,192,139,.20),rgba(255,122,47,.14)),var(--ink-700);
  border:1px solid rgba(0,192,139,.35);border-radius:var(--r-lg);
  padding:44px 48px;display:flex;align-items:center;justify-content:space-between;gap:28px;
  box-shadow:var(--sh-dark);
}
.cta-band h2{font-size:clamp(20px,2.6vw,28px);margin-bottom:10px}
.cta-band p{color:var(--txt-2);font-size:15px;max-width:620px}
@media (max-width:767.98px){
  .cta-band{flex-direction:column;align-items:flex-start;padding:30px 22px}
}

/* ===== 页脚 ===== */
.site-footer{background:var(--ink-900);border-top:1px solid var(--ink-line);padding:64px 0 28px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:18px}
.site-footer p{color:var(--txt-3);font-size:14px;line-height:1.85}
.site-footer h4{font-size:15px;color:#fff;margin-bottom:16px}
.footer-links li{margin-bottom:10px}
.footer-links a{color:var(--txt-2);font-size:14px;transition:color .2s var(--ease),padding-left .2s var(--ease)}
.footer-links a:hover{color:var(--primary-bright);padding-left:4px}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--ink-line);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  color:var(--txt-3);font-size:13px;
}
@media (max-width:991.98px){.footer-grid{grid-template-columns:1fr 1fr}}
@media (max-width:575.98px){.footer-grid{grid-template-columns:1fr;gap:26px}}

/* ===== 移动抽屉 ===== */
.mobile-drawer{background:var(--ink-800);color:var(--txt);width:300px}
.mobile-drawer .offcanvas-header{border-bottom:1px solid var(--ink-line)}
.mobile-drawer .btn-close{filter:invert(1) grayscale(1) brightness(1.6);opacity:.7}
.drawer-link{
  display:flex;align-items:center;min-height:48px;padding:0 14px;border-radius:var(--r-md);
  color:var(--txt-2);font-size:15px;margin-bottom:6px;transition:background .2s var(--ease),color .2s var(--ease);
}
.drawer-link:hover,.drawer-link.active{background:rgba(0,192,139,.14);color:var(--primary-bright);font-weight:700}
.drawer-brand{font-size:15px;font-weight:800;color:#fff;line-height:1.3}
.drawer-brand span{display:block;font-size:12px;color:var(--primary-bright);letter-spacing:.08em}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none !important;animation:none !important;scroll-behavior:auto !important}
  .reward-card:hover,.post-card:hover,.step:hover,.btn-main:hover,.btn-ghost:hover{transform:none !important}
}

/* roulang page: category1 */
:root{
  --primary:#00C08B;
  --primary-600:#00926B;
  --primary-700:#00775A;
  --primary-deep:#005C43;
  --primary-100:#DFF7EE;
  --reward:#FF7A2F;
  --reward-100:#FFEAD9;
  --ink-900:#0B0A14;
  --ink-800:#151129;
  --ink-700:#221A3D;
  --line-dark:rgba(255,255,255,.10);
  --paper:#F7F5F0;
  --paper-2:#FFFFFF;
  --line:#E7E3DA;
  --text-dark:#F2F0FA;
  --text-dark-2:#B9B3CC;
  --text:#1B1726;
  --text-2:#5A5468;
  --text-3:#8A8496;
  --radius-sm:8px;
  --radius-md:14px;
  --radius-lg:20px;
  --radius-pill:999px;
  --shadow-dark:0 2px 10px rgba(0,0,0,.35);
  --shadow-light:0 2px 6px rgba(21,17,41,.06), 0 12px 28px rgba(21,17,41,.05);
  --shadow-hover:0 6px 12px rgba(21,17,41,.08), 0 20px 40px rgba(21,17,41,.08);
  --ease:cubic-bezier(.2,.7,.3,1);
  --sec-y:88px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--primary-700);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--primary-600)}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.01em;color:var(--text)}
p{margin:0 0 1.4em}
p:last-child{margin-bottom:0}
ul,ol{margin:0 0 1.4em;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
.shell{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:1040;background:var(--ink-800);transition:box-shadow .22s var(--ease)}
.site-header.is-scrolled{box-shadow:0 2px 14px rgba(0,0,0,.34)}
.topbar-inner{display:flex;align-items:center;gap:18px;height:68px}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto}
.brand:hover{color:inherit}
.brand-mark{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;font-size:14px;font-weight:800;color:#04241A;background:linear-gradient(135deg,var(--primary),var(--primary-600));letter-spacing:.02em}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text b{color:var(--text-dark);font-size:15px;font-weight:800;letter-spacing:-.01em}
.brand-text em{font-style:normal;color:var(--text-dark-2);font-size:11.5px;letter-spacing:.08em}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-item-link{color:var(--text-dark-2);font-size:14.5px;font-weight:600;padding:10px 14px;border-radius:var(--radius-pill);transition:all .2s var(--ease)}
.nav-item-link:hover{color:var(--text-dark);background:rgba(255,255,255,.08)}
.nav-item-link.active{color:var(--primary);background:rgba(0,192,139,.14)}
.head-actions{display:flex;align-items:center;gap:10px;margin-left:18px}
.icon-btn{width:44px;height:44px;border-radius:50%;display:grid;place-items:center;border:1px solid var(--line-dark);background:rgba(255,255,255,.04);color:var(--text-dark-2);cursor:pointer;transition:all .2s var(--ease)}
.icon-btn:hover{color:var(--text-dark);background:rgba(255,255,255,.1);transform:translateY(-2px)}
.btn-main{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 28px;border:none;border-radius:var(--radius-md);font-size:15px;font-weight:700;cursor:pointer;transition:all .2s var(--ease)}
.btn-primary-solid{background:var(--primary-600);color:#fff}
.btn-primary-solid:hover{background:#00775A;color:#fff;transform:translateY(-2px);box-shadow:0 0 0 6px rgba(0,192,139,.2)}
.btn-primary-solid:active{transform:translateY(0)}
.btn-on-dark{height:44px;padding:0 22px;background:var(--primary);color:#04241A}
.btn-on-dark:hover{background:#12d29a;color:#04241A;transform:translateY(-2px);box-shadow:0 0 0 6px rgba(0,192,139,.2)}
.btn-ghost{background:transparent;border:1.5px solid var(--primary);color:var(--primary-700);height:48px}
.btn-ghost:hover{background:var(--primary-100);color:var(--primary-700);transform:translateY(-2px)}
.hamburger{width:44px;height:44px;border-radius:12px;border:1px solid var(--line-dark);background:rgba(255,255,255,.04);color:var(--text-dark);display:grid;place-items:center;cursor:pointer}
.channel-bar{background:var(--ink-900);border-top:1px solid rgba(255,255,255,.06)}
.channel-scroll{display:flex;gap:10px;padding:10px 0;overflow-x:auto;-ms-overflow-style:none;scrollbar-width:none;-webkit-overflow-scrolling:touch}
.channel-scroll::-webkit-scrollbar{display:none}
.pill{flex:0 0 auto;display:inline-flex;align-items:center;padding:8px 16px;border-radius:var(--radius-pill);font-size:14px;font-weight:600;color:var(--text-dark-2);border:1px solid var(--line-dark);background:rgba(255,255,255,.03);transition:all .2s var(--ease)}
.pill:hover{color:var(--text-dark);background:rgba(255,255,255,.1);transform:translateY(-2px)}
.pill.is-active{color:var(--primary-deep);background:var(--primary-100);border-color:var(--primary)}
.offcanvas{background:var(--ink-800);color:var(--text-dark)}
.offcanvas-header{border-bottom:1px solid var(--line-dark)}
.offcanvas-title{color:var(--text-dark);font-size:16px;font-weight:800}
.offcanvas .nav-item-link{display:block;margin-bottom:6px}
.offcanvas .btn-close{filter:invert(1) grayscale(1) brightness(1.6)}

/* ---------- breadcrumb ---------- */
.crumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;padding:22px 0 18px;font-size:13.5px;color:var(--text-3)}
.crumb a{color:var(--text-2)}
.crumb a:hover{color:var(--primary-700)}
.crumb .sep{width:1px;height:12px;background:var(--line);display:inline-block}
.crumb .cur{color:var(--primary-700);font-weight:700}

/* ---------- banner ---------- */
.page-banner{position:relative;border-radius:var(--radius-lg);overflow:hidden;min-height:300px;display:flex;align-items:center;background:var(--ink-900)}
.page-banner .banner-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.png');background-size:cover;background-position:center;transform:scale(1.02)}
.page-banner .banner-mask{position:absolute;inset:0;background:linear-gradient(100deg,rgba(11,10,20,.94) 0%,rgba(11,10,20,.74) 46%,rgba(21,17,41,.52) 100%)}
.page-banner .banner-inner{position:relative;padding:56px 48px;max-width:820px}
.banner-tag{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:var(--radius-pill);background:rgba(0,192,139,.16);border:1px solid rgba(0,192,139,.4);color:#5EE6BE;font-size:13px;font-weight:700;letter-spacing:.02em}
.page-banner h1{margin:18px 0 14px;color:#fff;font-size:clamp(28px,4.4vw,46px);line-height:1.22}
.page-banner .lead{color:var(--text-dark-2);font-size:16.5px;line-height:1.85;max-width:660px}
.banner-facts{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.fact-chip{display:inline-flex;align-items:center;gap:8px;padding:9px 16px;border-radius:var(--radius-pill);background:rgba(255,255,255,.07);border:1px solid var(--line-dark);color:var(--text-dark);font-size:13.5px;font-weight:600}
.fact-chip b{color:var(--primary);font-weight:800}

/* ---------- content grid ---------- */
.section{padding:var(--sec-y) 0}
.section-tight{padding:56px 0}
.sec-head{margin-bottom:40px;max-width:760px}
.sec-head h2{font-size:clamp(22px,3vw,32px);line-height:1.3}
.sec-head p{margin-top:14px;color:var(--text-2);font-size:16px}
.content-grid{display:grid;grid-template-columns:264px minmax(0,1fr);gap:44px;align-items:start}
.toc{position:sticky;top:152px;background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius-lg);padding:22px;box-shadow:var(--shadow-light)}
.toc h3{font-size:14px;letter-spacing:.06em;color:var(--text-3);font-weight:700;margin-bottom:14px}
.toc ol{counter-reset:toc;margin:0}
.toc li{counter-increment:toc;margin-bottom:4px}
.toc a{display:flex;gap:10px;align-items:flex-start;padding:9px 10px;border-radius:var(--radius-sm);font-size:14px;color:var(--text-2);font-weight:600;line-height:1.6;transition:all .2s var(--ease)}
.toc a::before{content:counter(toc,decimal-leading-zero);color:var(--primary-600);font-weight:800;font-size:12px;font-variant-numeric:tabular-nums;padding-top:2px}
.toc a:hover{background:var(--primary-100);color:var(--primary-700);transform:translateX(2px)}
.toc-note{margin-top:16px;padding-top:16px;border-top:1px dashed var(--line);font-size:13px;color:var(--text-3);line-height:1.75}

/* ---------- article body ---------- */
.article-body{background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius-lg);padding:44px;box-shadow:var(--shadow-light)}
.article-body h2{font-size:clamp(20px,2.4vw,26px);line-height:1.42;padding-left:16px;border-left:4px solid var(--primary);margin:52px 0 20px}
.article-body h2:first-child{margin-top:0}
.article-body h3{font-size:20px;line-height:1.5;margin:34px 0 14px;display:flex;align-items:center;gap:10px}
.article-body h3::before{content:"";width:8px;height:8px;border-radius:2px;background:var(--reward);flex:0 0 auto}
.article-body p{font-size:17px;line-height:1.9;color:var(--text-2)}
.article-body strong{color:var(--text);font-weight:700}
.article-body ul{margin:0 0 1.5em}
.article-body ul li{position:relative;padding-left:22px;margin-bottom:10px;font-size:16.5px;line-height:1.85;color:var(--text-2)}
.article-body ul li::before{content:"";position:absolute;left:2px;top:.72em;width:7px;height:7px;border-radius:2px;background:var(--primary)}
figure{margin:32px 0}
figure img{border-radius:var(--radius-md);width:100%;height:auto;object-fit:cover}
figcaption{margin-top:12px;text-align:center;font-size:13px;color:var(--text-3)}
.quote{border-left:4px solid var(--primary);background:var(--primary-100);border-radius:0 var(--radius-md) var(--radius-md) 0;padding:20px 24px;margin:28px 0;color:var(--text-2);font-size:16.5px;line-height:1.85}
.key-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin:26px 0 8px}
.key-item{display:flex;gap:12px;align-items:flex-start;padding:16px 18px;border:1px solid var(--line);border-radius:var(--radius-md);background:var(--paper);transition:all .2s var(--ease)}
.key-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:var(--primary)}
.key-item .kdot{width:26px;height:26px;flex:0 0 auto;border-radius:50%;display:grid;place-items:center;background:var(--primary-100);color:var(--primary-700);font-size:12px;font-weight:800}
.key-item b{display:block;font-size:15px;color:var(--text);margin-bottom:2px}
.key-item span{font-size:13.5px;color:var(--text-3);line-height:1.7}
.step-line{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;margin:32px 0 10px;position:relative}
.step-line .step{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-md);padding:20px 18px;transition:all .2s var(--ease)}
.step-line .step:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.step .snum{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:50%;background:var(--primary-600);color:#fff;font-weight:800;font-size:14px;font-variant-numeric:tabular-nums;margin-bottom:12px}
.step b{display:block;font-size:15.5px;margin-bottom:6px}
.step p{font-size:13.5px;line-height:1.75;color:var(--text-3);margin:0}

/* ---------- card matrix ---------- */
.matrix{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.card{background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-light);transition:all .22s var(--ease);display:flex;flex-direction:column}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.card:hover .card-title{color:var(--primary-700)}
.card-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:#EDEAE3}
.card-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .24s var(--ease)}
.card:hover .card-thumb img{transform:scale(1.03)}
.card-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:12px;flex:1}
.card-meta{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--text-3)}
.badge-cat{display:inline-flex;align-items:center;padding:4px 12px;border-radius:var(--radius-pill);background:var(--primary-100);color:var(--primary-700);font-size:12.5px;font-weight:700}
.badge-reward{display:inline-flex;align-items:center;padding:4px 12px;border-radius:var(--radius-pill);background:var(--reward-100);color:#B24C0B;font-size:12.5px;font-weight:700}
.card-title{font-size:17px;line-height:1.55;transition:color .2s var(--ease);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-text{font-size:14px;line-height:1.78;color:var(--text-3);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-link{margin-top:auto;display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:var(--primary-700)}
.card-link .arrow{transition:transform .2s var(--ease)}
.card:hover .card-link .arrow{transform:translateX(4px)}

/* ---------- progress ---------- */
.progress-wrap{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:44px;align-items:center;background:var(--ink-800);border-radius:var(--radius-lg);padding:52px 48px;color:var(--text-dark)}
.progress-wrap h2{color:#fff;font-size:clamp(22px,3vw,30px);line-height:1.34}
.progress-wrap .sub{color:var(--text-dark-2);font-size:15.5px;margin-top:14px;line-height:1.85}
.progress-item{margin-bottom:26px}
.progress-item:last-child{margin-bottom:0}
.progress-top{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:10px;font-size:14.5px;font-weight:600;color:var(--text-dark)}
.progress-top .val{font-variant-numeric:tabular-nums;color:var(--primary);font-weight:800}
.track{height:8px;border-radius:var(--radius-pill);background:rgba(255,255,255,.12);overflow:hidden}
.track span{display:block;height:100%;border-radius:var(--radius-pill);background:linear-gradient(90deg,var(--primary),var(--reward))}
.tick-note{font-size:13px;color:var(--text-dark-2);margin-top:8px}

/* ---------- faq ---------- */
.faq-list{display:flex;flex-direction:column;gap:14px}
.faq-item{border:1px solid var(--line);border-radius:var(--radius-md);background:var(--paper-2);overflow:hidden;box-shadow:var(--shadow-light)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:20px 24px;background:transparent;border:none;text-align:left;font-size:16.5px;font-weight:600;color:var(--text);cursor:pointer;transition:background .2s var(--ease)}
.faq-q:hover{background:var(--paper)}
.faq-icon{position:relative;width:20px;height:20px;flex:0 0 auto}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--primary-600);border-radius:2px;transition:transform .22s var(--ease),opacity .22s var(--ease)}
.faq-icon::before{left:0;top:9px;width:20px;height:2px}
.faq-icon::after{left:9px;top:0;width:2px;height:20px}
.faq-q[aria-expanded="true"] .faq-icon::after{transform:rotate(90deg);opacity:0}
.faq-a{padding:0 24px 22px;font-size:15.5px;line-height:1.85;color:var(--text-2);background:rgba(223,247,238,.5)}
.faq-a p{margin:0}

/* ---------- related pills ---------- */
.related-pills{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.rel-pill{display:inline-flex;align-items:center;gap:8px;padding:12px 20px;border-radius:var(--radius-pill);border:1px solid var(--line);background:var(--paper-2);color:var(--text-2);font-size:14.5px;font-weight:600;box-shadow:var(--shadow-light);transition:all .2s var(--ease)}
.rel-pill:hover{border-color:var(--primary);color:var(--primary-700);transform:translateY(-3px);box-shadow:var(--shadow-hover)}

/* ---------- cta ---------- */
.cta-band{background:var(--ink-800);border-radius:var(--radius-lg);padding:52px 48px;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;position:relative;overflow:hidden}
.cta-band::after{content:"";position:absolute;right:-60px;top:-60px;width:260px;height:260px;border-radius:50%;background:radial-gradient(circle,rgba(0,192,139,.28),transparent 68%)}
.cta-band h2{color:#fff;font-size:clamp(22px,3vw,30px);line-height:1.34;position:relative}
.cta-band p{color:var(--text-dark-2);margin-top:12px;font-size:15.5px;max-width:600px;position:relative}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;position:relative}

/* ---------- footer ---------- */
.site-footer{background:var(--ink-900);color:var(--text-dark-2);padding:64px 0 28px;margin-top:var(--sec-y);border-top:1px solid rgba(255,255,255,.08)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px}
.footer-brand .brand-mark{width:38px;height:38px;border-radius:11px}
.footer-brand .brand-text b{color:#fff}
.site-footer h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px}
.site-footer p{font-size:14px;line-height:1.85;color:var(--text-dark-2);margin:0}
.footer-links li{margin-bottom:10px}
.footer-links a{color:var(--text-dark-2);font-size:14px;transition:color .2s var(--ease)}
.footer-links a:hover{color:var(--primary)}
.footer-bottom{margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.09);display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:13.5px;color:#7E7891}

@media (max-width:1199.98px){
  :root{--sec-y:72px}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:30px}
}
@media (max-width:991.98px){
  :root{--sec-y:64px}
  .content-grid{grid-template-columns:minmax(0,1fr);gap:32px}
  .toc{position:static;top:auto}
  .article-body{padding:32px 26px}
  .progress-wrap{grid-template-columns:minmax(0,1fr);padding:40px 32px;gap:32px}
  .page-banner .banner-inner{padding:44px 32px}
  .cta-band{padding:40px 32px}
}
@media (max-width:767.98px){
  :root{--sec-y:48px}
  .shell{padding:0 16px}
  .topbar-inner{height:60px;gap:12px}
  .page-banner{min-height:0}
  .page-banner .banner-inner{padding:36px 22px}
  .article-body{padding:26px 20px;border-radius:var(--radius-md)}
  .article-body p{font-size:16px}
  .key-list{grid-template-columns:minmax(0,1fr)}
  .step-line{grid-template-columns:minmax(0,1fr)}
  .matrix{grid-template-columns:minmax(0,1fr)}
  .progress-wrap{padding:32px 22px}
  .faq-q{padding:18px 20px;font-size:15.5px}
  .faq-a{padding:0 20px 20px}
  .cta-band{padding:32px 22px;border-radius:var(--radius-md)}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:28px}
  .footer-bottom{flex-direction:column}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
  .card:hover,.key-item:hover,.rel-pill:hover,.step-line .step:hover,.btn-main:hover{transform:none!important}
}

/* roulang page: article */
:root{
  --primary:#00C08B;
  --primary-600:#00926B;
  --primary-700:#00805D;
  --primary-100:#DFF7EE;
  --reward:#FF7A2F;
  --reward-100:#FFEAD9;
  --ink-900:#0B0A14;
  --ink-800:#151129;
  --ink-700:#221A3D;
  --ink-line:rgba(255,255,255,.10);
  --paper:#F7F5F0;
  --paper-2:#FFFFFF;
  --line:#E7E3DA;
  --t-dark:#F2F0FA;
  --t-dark-2:#B9B3CC;
  --t:#1B1726;
  --t-2:#5A5468;
  --t-3:#8A8496;
  --r-xs:8px;
  --r-sm:14px;
  --r-lg:20px;
  --shadow-dark:0 2px 10px rgba(0,0,0,.35);
  --shadow-light:0 2px 6px rgba(21,17,41,.06),0 12px 28px rgba(21,17,41,.05);
  --shadow-hover:0 6px 12px rgba(21,17,41,.08),0 20px 40px rgba(21,17,41,.08);
  --ease:cubic-bezier(.2,.7,.3,1);
  --bs-primary:#00926B;
  --bs-primary-rgb:0,146,107;
  --bs-link-color:#00926B;
  --bs-link-hover-color:#00805D;
  --bs-body-color:#1B1726;
  --bs-body-font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--t);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.01em;line-height:1.35}
p{margin:0}
button{font-family:inherit;cursor:pointer}
ul,ol{margin:0}
.skip-link{position:absolute;left:-9999px;top:0;z-index:2000;background:var(--primary);color:var(--ink-900);padding:10px 18px;border-radius:0 0 12px 0;font-weight:700}
.skip-link:focus{left:0}
.shell{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.num{font-variant-numeric:tabular-nums}

/* 顶部导航 */
.site-header{position:relative;z-index:1040}
.topbar{background:var(--ink-800);border-bottom:1px solid var(--ink-line)}
.topbar-inner{display:flex;align-items:center;gap:16px;height:68px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:38px;height:38px;border-radius:12px;flex:0 0 auto;
  background:linear-gradient(135deg,var(--primary),var(--primary-700));
  display:grid;place-items:center;font-size:13px;font-weight:800;color:var(--ink-900);letter-spacing:.02em;
}
.brand-text{display:flex;flex-direction:column;line-height:1.18}
.brand-text b{color:var(--t-dark);font-size:16px;font-weight:800;letter-spacing:.02em}
.brand-text em{font-style:normal;font-size:12px;color:var(--t-dark-2);letter-spacing:.06em}
.main-nav{display:flex;align-items:center;gap:4px;margin:0 auto}
.nav-item-link{
  position:relative;padding:10px 15px;border-radius:10px;font-size:15px;color:var(--t-dark-2);
  transition:color .2s var(--ease),background .2s var(--ease);
}
.nav-item-link:hover{color:#fff;background:rgba(255,255,255,.07)}
.nav-item-link.active{color:#fff;background:rgba(0,192,139,.14)}
.nav-item-link.active::after{
  content:"";position:absolute;left:15px;right:15px;bottom:3px;height:2px;border-radius:2px;background:var(--primary);
}
.topbar-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
.icon-btn{
  width:42px;height:42px;border-radius:12px;border:1px solid var(--ink-line);background:transparent;
  color:var(--t-dark-2);display:grid;place-items:center;transition:all .2s var(--ease);
}
.icon-btn:hover{color:#fff;border-color:rgba(255,255,255,.32);background:rgba(255,255,255,.06)}
.btn-nav{
  display:inline-flex;align-items:center;justify-content:center;height:44px;padding:0 22px;border-radius:var(--r-sm);
  background:var(--primary);color:var(--ink-900);font-weight:700;font-size:15px;border:0;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
}
.btn-nav:hover{background:#12cf9a;transform:translateY(-2px);box-shadow:0 0 0 8px rgba(0,192,139,.16)}
.burger{display:grid;place-items:center;width:42px;height:42px;border-radius:12px;border:1px solid var(--ink-line);background:transparent;color:#fff}
.burger:focus-visible{outline:2px solid var(--primary);outline-offset:2px}

/* 频道 Tabs */
.channel-bar{
  position:sticky;top:0;z-index:1030;background:#100E1F;
  border-bottom:1px solid var(--ink-line);
  transition:box-shadow .2s var(--ease);
}
.channel-bar.is-stuck{box-shadow:0 2px 10px rgba(0,0,0,.25)}
.channel-scroll{display:flex;gap:10px;overflow-x:auto;padding:10px 0;scrollbar-width:none;-webkit-overflow-scrolling:touch}
.channel-scroll::-webkit-scrollbar{display:none}
.channel-pill{
  flex:0 0 auto;padding:8px 16px;border-radius:999px;border:1px solid var(--ink-line);
  color:var(--t-dark-2);font-size:14px;white-space:nowrap;
  transition:all .2s var(--ease);
}
.channel-pill:hover{color:#fff;border-color:rgba(255,255,255,.32);transform:translateY(-2px)}
.channel-pill.active{background:var(--primary-100);border-color:var(--primary);color:var(--primary-600);font-weight:700}
.channel-spacer{flex:0 0 6px}

/* 搜索抽屉 */
.search-drawer{background:var(--ink-700);border-bottom:1px solid var(--ink-line);padding:14px 0}
.search-drawer[hidden]{display:none}
.search-form{display:flex;gap:10px;align-items:center}
.search-form input{
  flex:1;height:46px;border-radius:var(--r-sm);border:1px solid var(--ink-line);
  background:rgba(255,255,255,.06);color:#fff;padding:0 16px;font-size:15px;
}
.search-form input::placeholder{color:var(--t-dark-2)}
.search-form input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(0,192,139,.22)}
.btn-search{
  height:46px;padding:0 24px;border-radius:var(--r-sm);border:0;background:var(--primary);color:var(--ink-900);
  font-weight:700;font-size:15px;
}

/* 通用按钮 */
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 28px;
  border-radius:var(--r-sm);border:0;background:var(--primary-600);color:#fff;font-size:15px;font-weight:700;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
}
.btn-main:hover{background:var(--primary-700);transform:translateY(-2px);box-shadow:0 0 0 8px rgba(0,192,139,.18)}
.btn-main:active{transform:translateY(0)}
.btn-main:focus-visible{outline:2px solid var(--primary-600);outline-offset:2px}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 26px;
  border-radius:var(--r-sm);border:1.5px solid var(--primary-600);background:transparent;color:var(--primary-600);
  font-size:15px;font-weight:700;transition:all .2s var(--ease);
}
.btn-ghost:hover{background:var(--primary-100);transform:translateY(-2px)}
.btn-ghost:focus-visible{outline:2px solid var(--primary-600);outline-offset:2px}
.btn-light{
  display:inline-flex;align-items:center;justify-content:center;height:48px;padding:0 28px;border-radius:var(--r-sm);
  border:0;background:var(--paper-2);color:var(--ink-900);font-weight:700;font-size:15px;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.btn-light:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(0,0,0,.22)}

/* 面包屑 */
.crumb-bar{background:var(--paper);border-bottom:1px solid var(--line);padding:14px 0}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--t-3)}
.crumb a{transition:color .2s var(--ease)}
.crumb a:hover{color:var(--primary-600)}
.crumb .divider{width:1px;height:12px;background:var(--line)}
.crumb .current{color:var(--t-2);max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* 文章头部 */
.article-hero{padding:40px 0 32px;background:linear-gradient(180deg,#FFFFFF 0%,var(--paper) 100%);border-bottom:1px solid var(--line)}
.pill{
  display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border-radius:999px;font-size:13px;font-weight:600;
  background:var(--primary-100);color:var(--primary-600);
}
.pill-reward{background:var(--reward-100);color:var(--reward)}
.article-title{
  font-size:clamp(28px,4.4vw,46px);font-weight:800;letter-spacing:-.01em;line-height:1.28;
  max-width:820px;margin:16px 0 18px;color:var(--t);
}
.meta-line{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:var(--t-3)}
.meta-line .sep{width:1px;height:12px;background:var(--line)}
.meta-line .strong{color:var(--t-2);font-weight:600}

/* 主体 */
.article-main{padding:48px 0 72px}
.article-card{
  background:var(--paper-2);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--shadow-light);padding:40px;
}
.article-body{max-width:820px;font-size:17px;color:var(--t)}
.article-body > *:first-child{margin-top:0}
.article-body h2{
  position:relative;padding-left:16px;font-size:clamp(21px,2.4vw,27px);
  margin:2.1em 0 .85em;font-weight:800;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:4px;border-radius:4px;background:var(--primary);
}
.article-body h3{position:relative;padding-left:18px;font-size:20px;margin:1.8em 0 .7em}
.article-body h3::before{
  content:"";position:absolute;left:0;top:.58em;width:9px;height:9px;border-radius:3px;background:var(--reward);
}
.article-body p{margin:0 0 1.4em;line-height:1.9;color:var(--t-2)}
.article-body strong{color:var(--t);font-weight:700}
.article-body ul{padding:0;list-style:none;margin:0 0 1.5em}
.article-body ul li{position:relative;padding-left:20px;margin-bottom:.65em;line-height:1.85;color:var(--t-2)}
.article-body ul li::before{
  content:"";position:absolute;left:4px;top:.72em;width:6px;height:6px;border-radius:2px;background:var(--primary);
}
.article-body ol{padding-left:1.2em;margin:0 0 1.5em;color:var(--t-2)}
.article-body ol li{margin-bottom:.6em}
.article-body blockquote{
  margin:1.6em 0;padding:18px 22px;border-left:4px solid var(--primary);background:var(--primary-100);
  border-radius:0 var(--r-sm) var(--r-sm) 0;color:var(--t-2);font-size:16px;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--r-sm);margin:1.6em auto;height:auto;box-shadow:var(--shadow-light)}
.article-body figure{margin:1.8em 0}
.article-body figcaption{font-size:13px;color:var(--t-3);text-align:center;margin-top:10px}
.article-body a{color:var(--primary-600);text-decoration:underline;text-underline-offset:3px;transition:color .2s var(--ease)}
.article-body a:hover{color:var(--primary-700)}
.article-body code{
  background:var(--paper);border:1px solid var(--line);border-radius:6px;padding:2px 6px;font-size:14px;color:var(--primary-600);
}
.article-body pre{
  background:var(--ink-800);color:var(--t-dark);padding:18px 20px;border-radius:var(--r-sm);overflow-x:auto;font-size:14px;line-height:1.7;
}
.article-body pre code{background:transparent;border:0;color:inherit;padding:0}
.article-body table{
  width:100%;border-collapse:separate;border-spacing:0;border:1px solid var(--line);
  border-radius:var(--r-sm);overflow:hidden;font-size:15px;margin:1.6em 0;
}
.article-body th{background:var(--primary-100);color:var(--primary-600);text-align:left;padding:12px 14px;font-weight:700}
.article-body td{padding:12px 14px;border-top:1px solid var(--line);color:var(--t-2)}
.article-body tbody tr:nth-child(even){background:var(--paper)}
.article-body hr{border:0;border-top:1px dashed var(--line);margin:2.2em 0}
.article-body::after{content:"";display:table;clear:both}

/* 空态 */
.empty-state{
  min-height:220px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  text-align:center;padding:32px 20px;border:1px dashed var(--line);border-radius:var(--r-sm);background:var(--paper);
}
.empty-state .empty-icon{
  width:56px;height:56px;border-radius:18px;background:var(--primary-100);color:var(--primary-600);
  display:grid;place-items:center;font-size:24px;font-weight:800;
}
.empty-state p{font-size:15px;color:var(--t-2);max-width:420px}

/* 文章底部标签 */
.article-foot{margin-top:24px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px}
.tag-row{display:flex;flex-wrap:wrap;gap:8px}
.tag{
  display:inline-flex;align-items:center;padding:6px 14px;border-radius:999px;background:var(--paper-2);
  border:1px solid var(--line);font-size:13px;color:var(--t-2);transition:all .2s var(--ease);
}
.tag:hover{border-color:var(--primary);color:var(--primary-600);background:var(--primary-100)}

/* 上下篇 */
.post-nav{margin-top:24px}
.post-nav-card{
  display:block;height:100%;background:var(--paper-2);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:20px 22px;box-shadow:var(--shadow-light);transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.post-nav-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:var(--primary)}
.post-nav-card .label{font-size:13px;color:var(--t-3);margin-bottom:6px}
.post-nav-card b{display:block;font-size:16px;font-weight:700;color:var(--t);line-height:1.5}
.post-nav-card .arrow{display:inline-block;color:var(--primary-600);font-weight:700;transition:transform .2s var(--ease)}
.post-nav-card:hover .arrow{transform:translateX(4px)}

/* 侧栏 */
.side-sticky{display:flex;flex-direction:column;gap:20px}
@media(min-width:992px){.side-sticky{position:sticky;top:86px}}
.side-card{
  background:var(--paper-2);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:22px;box-shadow:var(--shadow-light);
}
.side-card h3{font-size:16px;font-weight:800;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.side-card h3::before{content:"";width:4px;height:16px;border-radius:3px;background:var(--primary)}
.toc-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:4px;max-height:400px;overflow-y:auto}
.toc-list a{
  display:block;font-size:14px;color:var(--t-2);padding:7px 10px;border-radius:10px;
  border-left:2px solid transparent;transition:all .2s var(--ease);
}
.toc-list a:hover{background:var(--paper);color:var(--primary-600)}
.toc-list a.lv3{padding-left:22px;font-size:13px;color:var(--t-3)}
.toc-list a.active{background:var(--primary-100);color:var(--primary-600);border-left-color:var(--primary);font-weight:700}
.toc-empty{font-size:13px;color:var(--t-3);padding:6px 2px}
.mini-card{
  display:flex;gap:12px;padding:10px;border-radius:var(--r-sm);transition:background .2s var(--ease);
}
.mini-card:hover{background:var(--paper)}
.mini-card img{width:76px;height:56px;border-radius:10px;object-fit:cover;flex:0 0 auto}
.mini-card .mini-text{display:flex;flex-direction:column;gap:4px;min-width:0}
.mini-card b{font-size:14px;font-weight:700;line-height:1.5;color:var(--t);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.mini-card span{font-size:12px;color:var(--t-3)}
.mini-card:hover b{color:var(--primary-600)}
.pill-group{display:flex;flex-wrap:wrap;gap:8px}
.channel-chip{
  display:inline-flex;padding:7px 14px;border-radius:999px;font-size:13px;background:var(--paper);
  border:1px solid var(--line);color:var(--t-2);transition:all .2s var(--ease);
}
.channel-chip:hover{background:var(--primary-100);border-color:var(--primary);color:var(--primary-600);transform:translateY(-2px)}

/* 相关推荐 */
.related-section{padding:0 0 72px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:26px}
.section-head h2{font-size:clamp(22px,3vw,32px)}
.section-head p{font-size:14px;color:var(--t-3);margin-top:8px}
.link-more{font-size:14px;font-weight:700;color:var(--primary-600);display:inline-flex;align-items:center;gap:6px}
.link-more .arrow{transition:transform .2s var(--ease)}
.link-more:hover .arrow{transform:translateX(4px)}
.card-post{
  display:flex;flex-direction:column;height:100%;background:var(--paper-2);border:1px solid var(--line);
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-light);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.card-post:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:var(--primary)}
.card-post .thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--paper)}
.card-post .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease)}
.card-post:hover .thumb img{transform:scale(1.04)}
.card-post .body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-post .badge-line{display:flex;align-items:center;gap:10px;font-size:12px;color:var(--t-3)}
.card-post h3{font-size:18px;font-weight:700;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-post:hover h3{color:var(--primary-600)}
.card-post p{font-size:14px;color:var(--t-2);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-post .foot{margin-top:auto;font-size:14px;font-weight:700;color:var(--primary-600);display:inline-flex;align-items:center;gap:6px}
.card-post:hover .foot .arrow{transform:translateX(4px)}
.card-post .foot .arrow{transition:transform .2s var(--ease)}

/* FAQ */
.faq-section{padding:0 0 72px}
.faq-accordion .accordion-item{
  border:1px solid var(--line);border-radius:var(--r-sm);margin-bottom:12px;overflow:hidden;background:var(--paper-2);
  box-shadow:var(--shadow-light);
}
.faq-accordion .accordion-item:last-child{margin-bottom:0}
.faq-accordion .accordion-button{
  font-size:16px;font-weight:700;color:var(--t);background:var(--paper-2);padding:18px 20px;box-shadow:none;
  display:flex;justify-content:space-between;gap:16px;
}
.faq-accordion .accordion-button:not(.collapsed){background:rgba(223,247,238,.5);color:var(--primary-600)}
.faq-accordion .accordion-button:focus{box-shadow:0 0 0 3px rgba(0,192,139,.18);border-color:var(--primary)}
.faq-accordion .accordion-button::after{
  content:"＋";background-image:none;width:auto;height:auto;font-size:19px;font-weight:700;color:var(--primary-600);
  transform:none;line-height:1;display:flex;align-items:center;
}
.faq-accordion .accordion-button:not(.collapsed)::after{content:"－";transform:none}
.faq-accordion .accordion-body{padding:4px 20px 20px;font-size:15px;line-height:1.85;color:var(--t-2);background:rgba(223,247,238,.28)}

/* CTA */
.cta-section{padding:0 0 88px}
.cta-band{
  background:var(--ink-800);border-radius:var(--r-lg);padding:44px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  border:1px solid var(--ink-line);
}
.cta-band h2{color:var(--t-dark);font-size:clamp(22px,3vw,30px);margin-bottom:10px}
.cta-band p{color:var(--t-dark-2);font-size:15px;max-width:620px}

/* 页脚 */
.site-footer{background:var(--ink-900);color:var(--t-dark-2);padding:64px 0 0;margin-top:0}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;
  padding-bottom:44px;border-bottom:1px solid var(--ink-line);
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-mark{width:36px;height:36px;border-radius:11px;background:linear-gradient(135deg,var(--primary),var(--primary-700));display:grid;place-items:center;color:var(--ink-900);font-weight:800;font-size:13px}
.footer-brand .brand-text b{color:var(--t-dark);font-size:16px;font-weight:800}
.footer-brand .brand-text em{font-style:normal;font-size:12px;color:var(--t-dark-2)}
.site-footer p{font-size:14px;line-height:1.85;color:var(--t-dark-2)}
.site-footer h4{font-size:15px;font-weight:800;color:var(--t-dark);margin-bottom:16px}
.footer-links{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:var(--t-dark-2);transition:color .2s var(--ease)}
.footer-links a:hover{color:var(--primary)}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  padding:22px 0;font-size:13px;color:var(--t-3);
}

/* 移动端抽屉 */
.nav-drawer{background:var(--ink-800);color:var(--t-dark);width:300px}
.nav-drawer .offcanvas-header{border-bottom:1px solid var(--ink-line);padding:16px 20px}
.nav-drawer .offcanvas-body{padding:18px 20px;display:flex;flex-direction:column;gap:8px}
.nav-drawer .btn-close{filter:invert(1) grayscale(1) brightness(2);opacity:.8}
.drawer-link{
  padding:13px 14px;border-radius:var(--r-sm);font-size:15px;color:var(--t-dark-2);
  border:1px solid transparent;transition:all .2s var(--ease);
}
.drawer-link:hover,.drawer-link.active{background:rgba(0,192,139,.14);border-color:rgba(0,192,139,.35);color:#fff}

/* 响应式 */
@media(max-width:1199px){
  .article-body{max-width:100%}
}
@media(max-width:991px){
  .topbar-inner{height:64px}
  .brand-text b{font-size:15px}
  .article-main{padding:36px 0 56px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-band{padding:34px}
}
@media(max-width:767px){
  .shell{padding:0 16px}
  .article-card{padding:20px;border-radius:var(--r-sm)}
  .article-hero{padding:28px 0 24px}
  .article-title{margin:14px 0 14px}
  .article-body{font-size:16px}
  .article-body table{display:block;overflow-x:auto;white-space:nowrap}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .cta-band{padding:26px;flex-direction:column;align-items:flex-start}
  .related-section,.faq-section{padding-bottom:56px}
  .cta-section{padding-bottom:64px}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px}
}
@media(max-width:575px){
  .btn-main,.btn-ghost,.btn-light{width:100%}
  .article-foot{flex-direction:column;align-items:flex-start}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .card-post:hover,.post-nav-card:hover{transform:none}
}

/* roulang page: category2 */
:root{
  --primary:#00C08B;
  --primary-600:#00926B;
  --primary-100:#DFF7EE;
  --reward:#FF7A2F;
  --reward-600:#C8551A;
  --reward-100:#FFEAD9;
  --ink-900:#0B0A14;
  --ink-800:#151129;
  --ink-700:#221A3D;
  --paper:#F7F5F0;
  --paper-2:#FFFFFF;
  --line:#E7E3DA;
  --line-dark:rgba(255,255,255,.10);
  --txt:#1B1726;
  --txt-2:#5A5468;
  --txt-3:#8A8496;
  --txt-dark:#F2F0FA;
  --txt-dark-2:#B9B3CC;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:20px;
  --r-pill:999px;
  --sh-card:0 2px 6px rgba(21,17,41,.06), 0 12px 28px rgba(21,17,41,.05);
  --sh-hover:0 6px 12px rgba(21,17,41,.08), 0 20px 40px rgba(21,17,41,.08);
  --sh-dark:0 2px 10px rgba(0,0,0,.35);
  --ease:cubic-bezier(.2,.7,.3,1);
  --shell:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--txt);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{font-weight:800;letter-spacing:-.01em;line-height:1.3;margin:0;color:var(--txt)}
h1{font-size:clamp(32px,5.4vw,58px);line-height:1.15}
h2{font-size:clamp(22px,3vw,32px)}
h3{font-size:20px}
p{margin:0 0 1.4em}
p:last-child{margin-bottom:0}
a{color:var(--primary-600);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--primary)}
img{max-width:100%;display:block;height:auto}
button{font-family:inherit}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}
section[id],div[id]{scroll-margin-top:96px}

.shell{width:100%;max-width:var(--shell);margin:0 auto;padding:0 24px}
.sec{padding:88px 0}
.sec-tight{padding:64px 0}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap}
.sec-head p{margin:10px 0 0;color:var(--txt-2);font-size:15.5px;max-width:640px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:var(--primary-100);color:var(--primary-600);
  font-size:13px;font-weight:700;letter-spacing:.04em;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--primary)}
.muted{color:var(--txt-2)}
.small{font-size:13px;color:var(--txt-3)}

/* ---------- 顶部导航 ---------- */
.site-header{position:relative;z-index:1040}
.topbar{background:var(--ink-800);border-bottom:1px solid var(--line-dark)}
.topbar-inner{display:flex;align-items:center;gap:20px;height:68px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:38px;height:38px;border-radius:12px;
  background:linear-gradient(135deg,var(--primary),var(--primary-600));
  color:var(--ink-900);display:grid;place-items:center;
  font-weight:800;font-size:15px;letter-spacing:.02em;
}
.brand-text{display:flex;flex-direction:column;line-height:1.18}
.brand-text b{font-size:16px;font-weight:800;color:var(--txt-dark)}
.brand-text em{font-style:normal;font-size:12px;color:var(--txt-dark-2);letter-spacing:.08em}
.main-nav{display:flex;align-items:center;gap:6px;margin:0 auto}
.nav-item-link{
  padding:9px 15px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;color:var(--txt-dark-2);
  transition:color .2s var(--ease),background .2s var(--ease);
  white-space:nowrap;
}
.nav-item-link:hover{color:var(--txt-dark);background:rgba(255,255,255,.07)}
.nav-item-link.active{color:var(--ink-900);background:var(--primary)}
.topbar-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.icon-btn{
  width:44px;height:44px;border-radius:14px;
  background:rgba(255,255,255,.06);border:1px solid var(--line-dark);
  color:var(--txt-dark);display:inline-grid;place-items:center;
  cursor:pointer;transition:background .2s var(--ease),transform .2s var(--ease);
}
.icon-btn:hover{background:rgba(255,255,255,.12);transform:translateY(-2px)}
.btn-cta{
  background:var(--primary);color:var(--ink-900);
  border:0;border-radius:var(--r-md);height:48px;padding:0 26px;
  font-weight:700;font-size:15px;display:inline-flex;align-items:center;gap:8px;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
}
.btn-cta:hover{background:#00CE95;color:var(--ink-900);transform:translateY(-2px);box-shadow:0 0 0 6px rgba(0,192,139,.18)}
.btn-cta:active{transform:translateY(0)}
.btn-cta-sm{height:42px;padding:0 20px;font-size:14.5px}
.hamburger{
  width:44px;height:44px;border-radius:14px;border:1px solid var(--line-dark);
  background:rgba(255,255,255,.06);color:var(--txt-dark);
  display:inline-grid;place-items:center;cursor:pointer;
}
.hamburger span{display:block;width:18px;height:2px;background:currentColor;border-radius:2px;position:relative}
.hamburger span::before,.hamburger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor;border-radius:2px}
.hamburger span::before{top:-6px}
.hamburger span::after{top:6px}

.channel-bar{background:var(--ink-800);border-bottom:1px solid var(--line-dark);position:sticky;top:0;z-index:1030;transition:box-shadow .22s var(--ease)}
.channel-bar.is-stuck{box-shadow:0 2px 10px rgba(0,0,0,.25)}
.channel-scroll{display:flex;gap:10px;overflow-x:auto;padding:12px 0;scrollbar-width:none;-ms-overflow-style:none}
.channel-scroll::-webkit-scrollbar{display:none}
.channel-pill{
  flex:0 0 auto;padding:8px 17px;border-radius:var(--r-pill);
  font-size:14px;font-weight:600;color:var(--txt-dark-2);
  border:1px solid transparent;background:transparent;white-space:nowrap;
  transition:transform .2s var(--ease),background .2s var(--ease),color .2s var(--ease);
}
.channel-pill:hover{color:var(--txt-dark);background:rgba(255,255,255,.08);transform:translateY(-2px)}
.channel-pill.active{color:var(--primary-600);background:var(--primary-100);border-color:var(--primary)}

.mobile-menu{background:var(--ink-800);color:var(--txt-dark);width:300px}
.mobile-menu .offcanvas-header{border-bottom:1px solid var(--line-dark);padding:18px 22px}
.mobile-menu .offcanvas-body{padding:10px 22px 28px}
.mobile-menu .btn-close{filter:invert(1) grayscale(1) brightness(2)}
.mobile-link{display:block;padding:15px 0;color:var(--txt-dark);font-weight:600;font-size:15.5px;border-bottom:1px solid var(--line-dark)}
.mobile-link:hover{color:var(--primary)}
.mobile-link.active{color:var(--primary)}
.mobile-group-title{font-size:12.5px;letter-spacing:.1em;color:var(--txt-3);margin:22px 0 6px}

/* ---------- 面包屑 ---------- */
.crumbs{display:flex;align-items:center;gap:10px;font-size:13.5px;color:var(--txt-3);flex-wrap:wrap}
.crumbs a{color:var(--txt-2);font-weight:600}
.crumbs a:hover{color:var(--primary-600)}
.crumbs .sep{width:1px;height:12px;background:var(--line);display:inline-block}
.crumbs .current{color:var(--txt);font-weight:700}

/* ---------- 顶部标题区（索引气质） ---------- */
.index-hero{
  position:relative;overflow:hidden;
  padding:56px 0 72px;
  background:
    radial-gradient(circle at 84% 8%, rgba(0,192,139,.12), transparent 46%),
    linear-gradient(180deg,#FFFFFF 0%, var(--paper) 78%);
  border-bottom:1px solid var(--line);
}
.geo{position:absolute;inset:0;pointer-events:none;z-index:0}
.geo-ring{
  position:absolute;width:360px;height:360px;border-radius:50%;
  border:1.5px dashed rgba(0,192,139,.38);
  right:-90px;top:-140px;
}
.geo-box{
  position:absolute;width:190px;height:190px;border-radius:26px;
  border:1.5px solid rgba(255,122,47,.30);
  left:-70px;bottom:-80px;transform:rotate(12deg);
}
.geo-bar{
  position:absolute;width:120px;height:8px;border-radius:999px;
  background:linear-gradient(90deg,var(--primary),rgba(0,192,139,0));
  left:14%;bottom:38px;opacity:.55;
}
.index-hero .shell{position:relative;z-index:1}
.index-hero h1{margin:22px 0 18px;max-width:820px}
.index-hero .lead{font-size:17px;line-height:1.9;color:var(--txt-2);max-width:680px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:30px}
.btn-main{
  background:var(--primary-600);color:#fff;border:0;
  border-radius:var(--r-md);height:48px;padding:0 28px;
  font-weight:700;font-size:15px;display:inline-flex;align-items:center;gap:8px;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
}
.btn-main:hover{background:#007A59;color:#fff;transform:translateY(-2px);box-shadow:0 0 0 6px rgba(0,146,107,.18)}
.btn-main:active{transform:translateY(0)}
.btn-ghost{
  background:transparent;color:var(--primary-600);
  border:1.5px solid var(--primary);border-radius:var(--r-md);
  height:48px;padding:0 26px;font-weight:700;font-size:15px;
  display:inline-flex;align-items:center;gap:8px;
  transition:background .2s var(--ease),transform .2s var(--ease);
}
.btn-ghost:hover{background:var(--primary-100);color:var(--primary-600);transform:translateY(-2px)}
.stat-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:36px}
.stat-item{
  background:rgba(255,255,255,.75);border:1px solid var(--line);
  border-radius:var(--r-md);padding:14px 20px;min-width:150px;
}
.stat-item b{display:block;font-size:24px;font-weight:800;color:var(--txt);font-variant-numeric:tabular-nums;line-height:1.25}
.stat-item span{font-size:13px;color:var(--txt-3)}

/* ---------- 通用卡片 / 面板 ---------- */
.panel{
  background:var(--paper-2);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:28px;box-shadow:var(--sh-card);
}
.panel-title{font-size:19px;font-weight:800;margin-bottom:6px}
.panel-sub{font-size:14px;color:var(--txt-3);margin-bottom:20px}
.dash{border:0;border-top:1px dashed rgba(27,23,38,.18);margin:18px 0;width:70%}
.media-card{
  background:var(--paper-2);border:1px solid var(--line);
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-card);
  height:100%;display:flex;flex-direction:column;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.media-card:hover{transform:translateY(-3px);box-shadow:var(--sh-hover)}
.media-thumb{aspect-ratio:16/9;overflow:hidden;background:#EFECE4}
.media-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease)}
.media-card:hover .media-thumb img{transform:scale(1.04)}
.media-body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1}
.media-meta{display:flex;align-items:center;gap:10px;margin-bottom:10px;flex-wrap:wrap}
.media-title{font-size:17px;font-weight:800;line-height:1.45;margin-bottom:8px;transition:color .2s var(--ease)}
.media-card:hover .media-title{color:var(--primary-600)}
.media-text{font-size:14.5px;color:var(--txt-2);line-height:1.75;margin:0}
.media-foot{margin-top:auto;padding-top:14px;font-size:14px;font-weight:700;color:var(--primary-600)}
.media-foot .arrow{display:inline-block;transition:transform .2s var(--ease)}
.media-card:hover .media-foot .arrow{transform:translateX(4px)}
.badge-tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;border-radius:var(--r-sm);
  background:var(--primary-100);color:var(--primary-600);
  font-size:12px;font-weight:700;letter-spacing:.02em;
}
.badge-reward{background:var(--reward-100);color:var(--reward-600)}
.badge-plain{background:rgba(27,23,38,.06);color:var(--txt-2)}
.date-text{font-size:13px;color:var(--txt-3);font-variant-numeric:tabular-nums}

/* ---------- 清单 ---------- */
.list-check li{
  position:relative;padding-left:24px;margin-bottom:16px;
  font-size:15.5px;line-height:1.8;color:var(--txt-2);
}
.list-check li:last-child{margin-bottom:0}
.list-check li::before{
  content:"";position:absolute;left:2px;top:11px;
  width:8px;height:8px;border-radius:2px;background:var(--primary);
}
.list-check li b{color:var(--txt);font-weight:700}
.list-plain li{
  position:relative;padding-left:20px;margin-bottom:12px;
  font-size:15px;line-height:1.8;color:var(--txt-2);
}
.list-plain li::before{
  content:"";position:absolute;left:0;top:13px;
  width:8px;height:2px;border-radius:2px;background:var(--reward);
}

/* ---------- 步骤条 ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.step{
  position:relative;background:var(--paper-2);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:22px;box-shadow:var(--sh-card);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.step:hover{transform:translateY(-3px);box-shadow:var(--sh-hover)}
.step:not(:last-child)::after{
  content:"";position:absolute;right:-20px;top:39px;width:20px;height:2px;
  background:linear-gradient(90deg,var(--primary),rgba(0,192,139,.2));
}
.step-num{
  width:34px;height:34px;border-radius:50%;
  background:var(--primary-100);color:var(--primary-600);
  display:grid;place-items:center;font-weight:800;font-size:14px;
  font-variant-numeric:tabular-nums;margin-bottom:14px;
}
.step h3{font-size:17px;margin-bottom:8px}
.step p{font-size:14.5px;color:var(--txt-2);margin:0;line-height:1.75}

/* ---------- 对比块 ---------- */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.compare-col{
  border-radius:var(--r-lg);padding:26px;border:1px solid var(--line);
  background:var(--paper-2);box-shadow:var(--sh-card);
}
.compare-col.ok{border-color:rgba(0,192,139,.42);background:linear-gradient(180deg,var(--primary-100),#fff 60%)}
.compare-col.warn{border-color:rgba(255,122,47,.42);background:linear-gradient(180deg,var(--reward-100),#fff 60%)}
.compare-head{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:800;margin-bottom:16px}
.compare-head .dot{width:10px;height:10px;border-radius:50%;background:var(--primary)}
.compare-col.warn .compare-head .dot{background:var(--reward)}
.compare-col.warn .list-plain li::before{background:var(--reward)}

/* ---------- 进度 ---------- */
.meter{margin-bottom:22px}
.meter:last-child{margin-bottom:0}
.meter-top{display:flex;justify-content:space-between;align-items:baseline;font-size:14px;color:var(--txt-2);margin-bottom:8px}
.meter-val{font-weight:800;color:var(--txt);font-variant-numeric:tabular-nums}
.meter-track{height:8px;border-radius:var(--r-pill);background:rgba(27,23,38,.08);overflow:hidden}
.meter-fill{
  height:100%;width:0;border-radius:var(--r-pill);
  background:linear-gradient(90deg,var(--primary),var(--reward));
  transition:width 1s var(--ease);
}
.nodes{display:flex;align-items:center;gap:0;margin-top:26px;flex-wrap:wrap}
.node{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--txt-3)}
.node .pt{width:12px;height:12px;border-radius:50%;border:2px solid var(--line);background:#fff}
.node.done .pt{background:var(--primary);border-color:rgba(0,192,139,.28);box-shadow:0 0 0 3px rgba(0,192,139,.16)}
.node.done{color:var(--txt)}
.node-line{flex:1;min-width:26px;height:2px;background:var(--line);margin:0 10px}

/* ---------- FAQ ---------- */
.faq-acc .accordion-item{
  border:1px solid var(--line);border-radius:var(--r-md);
  background:var(--paper-2);margin-bottom:14px;overflow:hidden;
  box-shadow:var(--sh-card);
}
.faq-acc .accordion-button{
  display:flex;align-items:center;gap:12px;
  padding:18px 20px;font-size:16.5px;font-weight:600;color:var(--txt);
  background:transparent;box-shadow:none;
}
.faq-acc .accordion-button:not(.collapsed){
  background:rgba(223,247,238,.5);color:var(--primary-600);
}
.faq-acc .accordion-button::after{display:none}
.faq-acc .accordion-button:focus{box-shadow:none;border-color:transparent}
.faq-acc .accordion-body{
  padding:6px 20px 20px;font-size:15.5px;line-height:1.8;color:var(--txt-2);
  background:rgba(223,247,238,.5);
}
.faq-sign{position:relative;width:18px;height:18px;flex:0 0 18px;margin-left:auto}
.faq-sign::before,.faq-sign::after{
  content:"";position:absolute;background:currentColor;border-radius:2px;
  transition:transform .2s var(--ease),opacity .2s var(--ease);
}
.faq-sign::before{left:0;top:8px;width:18px;height:2px}
.faq-sign::after{left:8px;top:0;width:2px;height:18px}
.accordion-button:not(.collapsed) .faq-sign::after{transform:rotate(90deg);opacity:0}

/* ---------- pill 互链 ---------- */
.pill-links{display:flex;flex-wrap:wrap;gap:12px}
.pill-link{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 18px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:var(--paper-2);
  color:var(--txt-2);font-weight:600;font-size:14.5px;
  transition:transform .2s var(--ease),border-color .2s var(--ease),background .2s var(--ease),color .2s var(--ease);
}
.pill-link:hover{
  border-color:var(--primary);color:var(--primary-600);
  background:var(--primary-100);transform:translateY(-2px);
}
.pill-link.current{background:var(--primary-100);border-color:var(--primary);color:var(--primary-600)}

/* ---------- CTA 通栏 ---------- */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--ink-800);border-radius:var(--r-lg);
  padding:48px 40px;text-align:center;color:var(--txt-dark);
}
.cta-band::after{
  content:"";position:absolute;width:320px;height:320px;border-radius:50%;
  border:1.5px dashed rgba(255,255,255,.10);right:-90px;bottom:-160px;
}
.cta-band h2{color:var(--txt-dark);margin-bottom:12px;position:relative;z-index:1}
.cta-band p{color:var(--txt-dark-2);max-width:620px;margin:0 auto 26px;position:relative;z-index:1}
.cta-band .btn-cta{position:relative;z-index:1}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-900);color:var(--txt-dark-2);margin-top:72px;padding-top:64px}
.footer-grid{
  display:grid;grid-template-columns:1.7fr 1fr 1fr 1.2fr;gap:36px;
  padding-bottom:48px;border-bottom:1px solid var(--line-dark);
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:18px}
.footer-brand .brand-mark{
  width:38px;height:38px;border-radius:12px;
  background:linear-gradient(135deg,var(--primary),var(--primary-600));
  color:var(--ink-900);display:grid;place-items:center;font-weight:800;font-size:15px;
}
.footer-brand .brand-text b{font-size:16px;font-weight:800;color:var(--txt-dark);display:block}
.footer-brand .brand-text em{font-style:normal;font-size:12px;color:var(--txt-dark-2);letter-spacing:.08em;display:block}
.site-footer p{font-size:14.5px;line-height:1.85;color:var(--txt-dark-2)}
.site-footer h4{font-size:15px;color:var(--txt-dark);margin-bottom:16px;font-weight:700}
.footer-links li{margin-bottom:2px}
.footer-links a{color:var(--txt-dark-2);font-size:14.5px;display:inline-block;padding:5px 0}
.footer-links a:hover{color:var(--primary)}
.footer-bottom{
  display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap;
  padding:22px 0 34px;font-size:13px;color:var(--txt-3);
}

/* ---------- 响应式 ---------- */
@media (min-width:1400px){
  :root{--shell:1280px}
}
@media (max-width:1199.98px){
  .footer-grid{grid-template-columns:1.5fr 1fr 1fr;gap:30px}
}
@media (max-width:991.98px){
  .sec{padding:64px 0}
  .sec-tight{padding:52px 0}
  .index-hero{padding:44px 0 56px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .steps{grid-template-columns:1fr;gap:16px}
  .step:not(:last-child)::after{display:none}
}
@media (max-width:767.98px){
  .shell{padding:0 16px}
  .sec{padding:48px 0}
  .sec-tight{padding:40px 0}
  .index-hero{padding:32px 0 44px}
  .index-hero h1{font-size:clamp(28px,7.6vw,38px)}
  .hero-actions .btn-main,.hero-actions .btn-ghost{width:100%;justify-content:center}
  .stat-item{flex:1 1 44%;min-width:0;padding:12px 14px}
  .compare{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .panel{padding:22px}
  .cta-band{padding:34px 22px}
  .channel-scroll{padding:10px 0}
  .crumbs{font-size:12.5px}
}
@media (prefers-reduced-motion:reduce){
  *{transition-duration:.001ms !important;animation-duration:.001ms !important}
  html{scroll-behavior:auto}
  .media-card:hover,.step:hover,.btn-main:hover,.btn-ghost:hover,.btn-cta:hover,.pill-link:hover,.channel-pill:hover,.icon-btn:hover{transform:none !important}
}