/* roulang page: index */
:root{
  --c-primary:#0F3F38;
  --c-primary-600:#1B6B5C;
  --c-accent:#E4633A;
  --c-mint:#3DBFA0;
  --c-bg:#F6F2EA;
  --c-bg-alt:#EFE9DE;
  --c-surface:#FFFFFF;
  --c-dark:#0B2A25;
  --c-text:#1C2B27;
  --c-text-2:#5A6B66;
  --c-line:#E3DCD0;
  --c-warn:#C7742B;
  --c-info:#2E7D74;
  --sh-1:0 1px 2px rgba(12,38,34,.06);
  --sh-2:0 8px 24px rgba(12,38,34,.08);
  --sh-3:0 18px 48px rgba(12,38,34,.14);
  --r-card:16px;
  --r-btn:10px;
  --r-chip:999px;
  --r-img:14px;
  --bs-body-color:#1C2B27;
  --bs-body-bg:#F6F2EA;
  --bs-border-color:#E3DCD0;
  --bs-border-radius:10px;
  --bs-primary:#0F3F38;
  --bs-link-color:#1B6B5C;
  --bs-link-hover-color:#0F3F38;
  --bs-font-sans-serif:system-ui,-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%}
body{
  margin:0;
  font-family:var(--bs-font-sans-serif);
  font-size:16px;
  line-height:1.85;
  color:var(--c-text);
  background:var(--c-bg);
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,figure,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
a{color:var(--c-primary-600);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--c-primary);text-decoration:underline;text-underline-offset:2px}
img{max-width:100%;height:auto;display:block}
button{font-family:inherit}
:focus-visible{outline:3px solid rgba(228,99,58,.28);outline-offset:2px;border-radius:6px}

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

/* ============ 顶部信息条 ============ */
.topbar{background:var(--c-dark);color:#E9E4D8;font-size:13px;line-height:36px;height:36px;overflow:hidden}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:36px}
.topbar-note{display:flex;align-items:center;gap:8px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar-note i{color:var(--c-mint)}
.topbar-chips{display:flex;align-items:center;gap:8px;flex-shrink:0}
.chip-mini{
  display:inline-block;padding:2px 12px;border-radius:var(--r-chip);
  border:1px solid rgba(233,228,216,.28);color:#E9E4D8;font-size:12px;line-height:20px;
}
.chip-mini:hover{background:rgba(61,191,160,.18);border-color:var(--c-mint);color:#fff;text-decoration:none}

/* ============ 页头 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;background:rgba(246,242,234,.96);
  border-bottom:1px solid var(--c-line);backdrop-filter:saturate(140%) blur(6px);
  transition:box-shadow .25s ease,background .25s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-1);background:rgba(246,242,234,.99)}
.header-inner{display:flex;align-items:center;gap:24px;height:72px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;text-decoration:none}
.brand:hover{text-decoration:none}
.brand-mark{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(140deg,var(--c-primary),var(--c-primary-600));
  color:#fff;font-weight:800;font-size:17px;letter-spacing:.02em;flex-shrink:0;
}
.brand-text{font-size:17px;font-weight:800;color:var(--c-primary);letter-spacing:0;white-space:nowrap}
.nav-chips{display:flex;align-items:center;gap:10px;margin-left:8px;overflow-x:auto;scrollbar-width:none}
.nav-chips::-webkit-scrollbar{display:none}
.nav-chip{
  display:inline-flex;align-items:center;height:36px;padding:0 16px;border-radius:var(--r-chip);
  border:1px solid var(--c-line);background:transparent;color:var(--c-text-2);
  font-size:14px;font-weight:600;white-space:nowrap;transition:all .2s ease;
}
.nav-chip:hover{border-color:var(--c-primary);color:var(--c-primary);text-decoration:none}
.nav-chip.is-active{background:var(--c-primary);border-color:var(--c-primary);color:#fff}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:14px;flex-shrink:0}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--c-line);
  background:var(--c-surface);color:var(--c-primary);font-size:16px;cursor:pointer;
}
.nav-toggle:hover{border-color:var(--c-primary)}
.nav-drawer{display:none;border-top:1px solid var(--c-line);background:var(--c-surface);padding:16px 0 20px}
.nav-drawer.is-open{display:block}
.nav-drawer .nav-chip{margin:0 6px 10px 0}
.drawer-cta{margin-top:6px}
.drawer-cta .btn-main{width:100%;justify-content:center}

/* ============ 按钮 ============ */
.btn-main{
  display:inline-flex;align-items:center;gap:8px;justify-content:center;
  background:var(--c-accent);color:#fff;border:none;border-radius:var(--r-btn);
  padding:12px 28px;font-size:15px;font-weight:700;cursor:pointer;
  box-shadow:var(--sh-1);transition:all .2s ease;
}
.btn-main:hover{background:#d55631;color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);text-decoration:none}
.btn-main:active{transform:translateY(0)}
.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;justify-content:center;
  background:transparent;color:var(--c-primary);border:1.5px solid var(--c-primary);
  border-radius:var(--r-btn);padding:11px 26px;font-size:15px;font-weight:700;cursor:pointer;
  transition:all .2s ease;
}
.btn-ghost:hover{background:rgba(27,107,92,.08);color:var(--c-primary);transform:translateY(-2px);text-decoration:none}
.btn-ghost:active{transform:translateY(0)}
.btn-dark-zone{
  display:inline-flex;align-items:center;gap:8px;justify-content:center;
  background:#F6F2EA;color:var(--c-dark);border:1px solid rgba(246,242,234,.6);
  border-radius:var(--r-btn);padding:12px 28px;font-size:15px;font-weight:700;cursor:pointer;
  transition:all .2s ease;
}
.btn-dark-zone:hover{background:#fff;color:var(--c-dark);transform:translateY(-2px);text-decoration:none}
.btn-light-outline{
  display:inline-flex;align-items:center;gap:8px;justify-content:center;
  background:transparent;color:#F6F2EA;border:1.5px solid rgba(246,242,234,.5);
  border-radius:var(--r-btn);padding:11px 26px;font-size:15px;font-weight:700;cursor:pointer;
  transition:all .2s ease;
}
.btn-light-outline:hover{background:rgba(246,242,234,.12);color:#fff;text-decoration:none}
.is-disabled{opacity:.45;cursor:not-allowed}

/* ============ Hero ============ */
.hero{
  position:relative;overflow:hidden;color:#fff;min-height:520px;display:flex;align-items:center;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(15,63,56,.94) 0%,rgba(15,63,56,.72) 45%,rgba(15,63,56,.42) 100%);
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(circle at 72% 32%,rgba(61,191,160,.18),transparent 55%),
    repeating-linear-gradient(115deg,rgba(255,255,255,.045) 0 1px,transparent 1px 64px);
  pointer-events:none;
}
.hero-inner{position:relative;z-index:2;padding:88px 0 72px;width:100%}
.hero-copy{max-width:640px}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:var(--r-chip);
  background:rgba(61,191,160,.16);border:1px solid rgba(61,191,160,.42);
  color:#CBEDE2;font-size:13px;font-weight:600;margin-bottom:22px;
}
.hero h1{
  font-size:clamp(30px,4.4vw,48px);line-height:1.25;font-weight:800;letter-spacing:0;
  color:#fff;margin-bottom:20px;
}
.hero-sub{font-size:16px;line-height:1.85;color:rgba(255,255,255,.84);margin-bottom:24px;max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.hero-actions .btn-ghost{color:#fff;border-color:rgba(255,255,255,.7)}
.hero-actions .btn-ghost:hover{background:rgba(255,255,255,.14);color:#fff}
.hero-stats{
  position:relative;z-index:2;margin-top:48px;display:grid;grid-template-columns:repeat(3,1fr);
  border-top:1px solid rgba(255,255,255,.22);border-bottom:1px solid rgba(255,255,255,.14);
  background:rgba(11,42,37,.32);
}
.hero-stat{padding:20px 24px;border-right:1px solid rgba(255,255,255,.18)}
.hero-stat:last-child{border-right:none}
.hero-stat b{display:block;font-size:26px;font-weight:800;color:#fff;line-height:1.2}
.hero-stat span{display:block;font-size:13px;color:rgba(255,255,255,.72);margin-top:4px}

/* ============ 通用板块 ============ */
.section{padding:88px 0}
.section-alt{background:var(--c-bg-alt)}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap;
}
.section-head h2{
  font-size:clamp(24px,3vw,34px);line-height:1.35;font-weight:700;color:var(--c-primary);letter-spacing:0;
}
.section-head .section-desc{margin-top:10px;font-size:15px;color:var(--c-text-2);max-width:640px}
.section-more{font-size:14px;font-weight:700;color:var(--c-primary-600);white-space:nowrap}
.section-more i{margin-left:4px;transition:transform .2s ease}
.section-more:hover i{transform:translateX(4px)}
.eyebrow-tag{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:.06em;color:var(--c-primary-600);
  background:rgba(27,107,92,.1);border-radius:var(--r-chip);padding:4px 12px;margin-bottom:14px;
}

/* ============ 玩法步骤条 ============ */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;position:relative}
.step{position:relative;padding:0 26px 0 0}
.step:last-child{padding-right:0}
.step-num{
  font-size:40px;font-weight:800;line-height:1;color:rgba(15,63,56,.14);
  letter-spacing:-.01em;margin-bottom:12px;
}
.step h3{font-size:19px;font-weight:700;color:var(--c-primary);margin-bottom:8px}
.step p{font-size:14px;color:var(--c-text-2);line-height:1.8}
.step::after{
  content:"";position:absolute;top:22px;right:8px;width:calc(100% - 44px);
  border-top:1px dashed var(--c-line);
}
.step:last-child::after{display:none}
.step:not(:last-child)::before{
  content:"\f061";font-family:"Font Awesome 6 Free";font-weight:900;font-size:12px;
  color:var(--c-mint);position:absolute;top:16px;right:14px;
}

/* ============ 卡片 ============ */
.card-base{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);overflow:hidden;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  height:100%;display:flex;flex-direction:column;
}
.card-base:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(15,63,56,.3)}
.card-media{aspect-ratio:16/9;overflow:hidden;background:var(--c-bg-alt)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.card-base:hover .card-media img{transform:scale(1.03)}
.card-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-badge{
  align-self:flex-start;font-size:12px;font-weight:700;color:var(--c-primary-600);
  background:rgba(27,107,92,.1);border-radius:6px;padding:3px 10px;
}
.card-title{font-size:18px;font-weight:700;line-height:1.5;color:var(--c-text)}
.card-base:hover .card-title{color:var(--c-primary-600)}
.card-summary{font-size:14px;color:var(--c-text-2);line-height:1.8}
.card-meta{
  margin-top:auto;display:flex;align-items:center;gap:14px;font-size:13px;color:var(--c-text-2);
  padding-top:12px;border-top:1px solid var(--c-line);flex-wrap:wrap;
}
.card-meta i{color:var(--c-mint);margin-right:4px}

/* 奖励预览：非对称栅格 */
.reward-grid{display:grid;grid-template-columns:1.55fr 1fr;gap:24px;align-items:stretch}
.reward-side{display:grid;grid-template-rows:1fr 1fr;gap:24px}
.reward-main{position:relative;border-radius:var(--r-card);overflow:hidden;border:1px solid var(--c-line);background:var(--c-dark);min-height:420px}
.reward-main img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.62}
.reward-main .reward-overlay{
  position:relative;z-index:2;height:100%;display:flex;flex-direction:column;justify-content:flex-end;
  padding:32px;color:#fff;background:linear-gradient(180deg,rgba(11,42,37,.1) 0%,rgba(11,42,37,.88) 78%);
}
.reward-main h3{font-size:24px;font-weight:700;margin-bottom:10px;color:#fff}
.reward-main p{font-size:15px;color:rgba(255,255,255,.82);max-width:520px}
.reward-main .reward-tags{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:16px}
.reward-tag{
  font-size:12px;font-weight:700;padding:4px 12px;border-radius:var(--r-chip);
  background:rgba(61,191,160,.2);border:1px solid rgba(61,191,160,.5);color:#CBEDE2;
}
.reward-small{padding:22px;display:flex;gap:16px;align-items:flex-start}
.reward-small .thumb{width:88px;height:88px;border-radius:12px;overflow:hidden;flex-shrink:0;background:var(--c-bg-alt)}
.reward-small .thumb img{width:100%;height:100%;object-fit:cover}
.reward-small h3{font-size:17px;font-weight:700;color:var(--c-primary);margin-bottom:6px}
.reward-small p{font-size:14px;color:var(--c-text-2);line-height:1.75}
.reward-small .time{display:block;margin-top:10px;font-size:13px;color:var(--c-text-2)}

/* ============ 任务进度 ============ */
.progress-wrap{display:grid;grid-template-columns:1.4fr 1fr;gap:24px}
.progress-panel{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:32px;box-shadow:var(--sh-1);
}
.progress-head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin-bottom:18px}
.progress-head h3{font-size:19px;font-weight:700;color:var(--c-primary)}
.progress-head b{font-size:24px;font-weight:800;color:var(--c-accent)}
.progress{height:10px;background:var(--c-bg-alt);border-radius:999px;overflow:hidden;box-shadow:none}
.progress-bar{
  background:linear-gradient(90deg,var(--c-primary-600),var(--c-mint));
  border-radius:999px;
}
.stage-list{margin-top:28px;display:grid;gap:14px}
.stage{display:flex;gap:14px;align-items:flex-start}
.stage-dot{
  width:18px;height:18px;border-radius:50%;flex-shrink:0;margin-top:6px;
  border:2px solid var(--c-line);background:transparent;
}
.stage.done .stage-dot{background:var(--c-mint);border-color:var(--c-mint)}
.stage.doing .stage-dot{border-color:var(--c-accent);background:rgba(228,99,58,.18);animation:pulse 1.9s infinite}
.stage.todo .stage-dot{border-color:var(--c-line);background:#fff}
@keyframes pulse{0%,100%{box-shadow:0 0 0 0 rgba(228,99,58,.32)}50%{box-shadow:0 0 0 6px rgba(228,99,58,0)}}
.stage strong{display:block;font-size:15px;font-weight:700;color:var(--c-text)}
.stage span{display:block;font-size:13px;color:var(--c-text-2);line-height:1.7}
.note-card{
  background:var(--c-primary);color:#EAF3EF;border-radius:var(--r-card);padding:32px;
  border:1px solid rgba(255,255,255,.12);display:flex;flex-direction:column;gap:16px;
}
.note-card h3{font-size:19px;font-weight:700;color:#fff}
.note-card p{font-size:14px;line-height:1.85;color:rgba(234,243,239,.82)}
.note-card ul{display:grid;gap:10px;margin-top:4px}
.note-card li{display:flex;gap:10px;font-size:14px;color:rgba(234,243,239,.88);line-height:1.7}
.note-card li i{color:var(--c-mint);margin-top:5px}

/* ============ 最新信息（CMS） ============ */
.news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.news-feature{
  grid-column:1/-1;display:grid;grid-template-columns:5fr 7fr;gap:0;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);overflow:hidden;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.news-feature:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(15,63,56,.3)}
.news-feature .card-media{aspect-ratio:16/10;height:100%}
.news-feature .card-body{padding:28px 30px}
.news-feature .card-title{font-size:22px}
.link-arrow{font-size:13px;font-weight:700;color:var(--c-primary-600);margin-left:auto;white-space:nowrap}
.link-arrow i{margin-left:4px;transition:transform .2s ease}
.card-base:hover .link-arrow i{transform:translateX(4px)}
.empty-state{
  grid-column:1/-1;min-height:200px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:14px;background:var(--c-surface);border:1px dashed var(--c-line);border-radius:var(--r-card);
  padding:40px 24px;text-align:center;
}
.empty-state i{font-size:30px;color:var(--c-text-2)}
.empty-state p{font-size:15px;color:var(--c-text-2)}

/* ============ 数据佐证 ============ */
.evidence{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.evidence-item{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:26px 24px;box-shadow:var(--sh-1);
}
.evidence-item b{display:block;font-size:30px;font-weight:800;color:var(--c-primary);line-height:1.2}
.evidence-item span{display:block;margin-top:6px;font-size:14px;color:var(--c-text-2)}

/* ============ FAQ ============ */
.faq-acc .accordion-item{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:12px;margin-bottom:12px;
  overflow:hidden;box-shadow:var(--sh-1);
}
.faq-acc .accordion-button{
  background:var(--c-surface);color:var(--c-text);font-size:16px;font-weight:600;
  padding:20px 22px;box-shadow:none;border:none;line-height:1.6;
}
.faq-acc .accordion-button:not(.collapsed){color:var(--c-primary);background:var(--c-surface)}
.faq-acc .accordion-button:focus{box-shadow:none;border-color:var(--c-line)}
.faq-acc .accordion-button::after{
  background-image:none;content:"\2b";font-family:inherit;font-size:20px;font-weight:600;
  color:var(--c-primary-600);width:22px;height:22px;line-height:22px;text-align:center;
  transition:transform .25s ease;
}
.faq-acc .accordion-button:not(.collapsed)::after{transform:rotate(45deg);color:var(--c-accent)}
.faq-acc .accordion-body{
  background:var(--c-bg);border-radius:12px;padding:20px;font-size:15px;color:var(--c-text-2);
  line-height:1.85;
}
.faq-acc .accordion-collapse{border:none}

/* ============ 底部 CTA ============ */
.cta-band{background:var(--c-dark);color:#F6F2EA;padding:72px 0;position:relative;overflow:hidden}
.cta-band::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(circle at 82% 20%,rgba(61,191,160,.16),transparent 58%);
  pointer-events:none;
}
.cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-inner h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;color:#fff;margin-bottom:10px}
.cta-inner p{font-size:15px;color:rgba(246,242,234,.76);max-width:600px}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-dark);color:#E9E4D8;padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-mark{background:linear-gradient(140deg,var(--c-primary-600),var(--c-mint))}
.footer-brand span{font-size:16px;font-weight:800;color:#fff}
.footer-col p{font-size:14px;line-height:1.85;color:rgba(233,228,216,.7)}
.footer-col h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:0}
.footer-col li{margin-bottom:10px}
.footer-col a{font-size:14px;color:rgba(233,228,216,.8)}
.footer-col a:hover{color:var(--c-mint);text-decoration:underline;text-underline-offset:2px}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(233,228,216,.16);padding:20px 0 28px;
  font-size:13px;color:rgba(233,228,216,.62);line-height:1.8;
}
.footer-bottom .row-line{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .section{padding:72px 0}
  .reward-grid{grid-template-columns:1.3fr 1fr}
  .progress-wrap{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:991.98px){
  .nav-chips{display:none}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center}
  .header-actions .btn-main{display:none}
  .header-inner{height:64px;gap:14px}
  .brand-text{font-size:16px}
  .hero{min-height:auto}
  .hero-inner{padding:64px 0 56px}
  .hero-stats{margin-top:36px}
  .steps{grid-template-columns:1fr 1fr;gap:32px 24px}
  .step{padding-right:0}
  .step::after,.step:not(:last-child)::before{display:none}
  .reward-grid{grid-template-columns:1fr}
  .reward-main{min-height:340px}
  .news-grid{grid-template-columns:1fr}
  .news-feature{grid-template-columns:1fr}
  .news-feature .card-media{aspect-ratio:16/9;height:auto}
  .evidence{grid-template-columns:1fr 1fr}
  .section-head{margin-bottom:28px}
}
@media (max-width:767.98px){
  .container{padding:0 16px}
  .section{padding:56px 0}
  .hero-stat{padding:16px 14px}
  .hero-stat b{font-size:22px}
  .hero-stat span{font-size:12px}
  .steps{grid-template-columns:1fr;gap:26px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .cta-band{padding:56px 0}
  .cta-inner{gap:22px}
  .reward-small .thumb{width:72px;height:72px}
}
@media (max-width:575.98px){
  .topbar{height:auto;line-height:1.6}
  .topbar-inner{height:auto;padding:8px 0;flex-wrap:wrap}
  .topbar-note{white-space:normal;font-size:12px}
  .topbar-chips{overflow-x:auto;padding-bottom:2px}
  .hero h1{font-size:28px}
  .hero-sub{font-size:15px}
  .hero-actions{gap:10px}
  .hero-actions .btn-main,.hero-actions .btn-ghost{width:100%}
  .hero-stats{grid-template-columns:1fr;border-bottom:none}
  .hero-stat{border-right:none;border-bottom:1px solid rgba(255,255,255,.16)}
  .evidence{grid-template-columns:1fr}
  .card-body{padding:18px}
  .progress-panel{padding:24px 20px}
  .note-card{padding:24px 20px}
}

/* roulang page: article */
:root{
  --c-primary:#0F3F38;
  --c-primary-600:#1B6B5C;
  --c-accent:#E4633A;
  --c-mint:#3DBFA0;
  --c-bg:#F6F2EA;
  --c-bg-alt:#EFE9DE;
  --c-surface:#FFFFFF;
  --c-dark:#0B2A25;
  --c-text:#1C2B27;
  --c-text-2:#5A6B66;
  --c-line:#E3DCD0;
  --c-warn:#C7742B;
  --c-info:#2E7D74;
  --sh-1:0 1px 2px rgba(12,38,34,.06);
  --sh-2:0 8px 24px rgba(12,38,34,.08);
  --sh-3:0 18px 48px rgba(12,38,34,.14);
  --r-card:16px;
  --r-btn:10px;
  --r-img:12px;
  --sp-1:8px; --sp-2:16px; --sp-3:24px; --sp-4:32px; --sp-5:48px; --sp-6:64px; --sp-7:96px;
  --bs-primary:var(--c-primary-600);
  --bs-body-color:var(--c-text);
  --bs-body-bg:var(--c-bg);
  --bs-border-color:var(--c-line);
  --bs-border-radius:var(--r-btn);
  --bs-link-color:var(--c-primary-600);
  --bs-link-hover-color:var(--c-primary);
  --bs-font-sans-serif:system-ui,-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:var(--bs-font-sans-serif);
  font-size:16px;
  line-height:1.85;
  color:var(--c-text);
  background:var(--c-bg);
  font-variant-numeric:tabular-nums;
  letter-spacing:0;
}
h1,h2,h3,h4,h5,p,figure,ul,ol,blockquote{margin:0;}
ul,ol{padding:0;list-style:none;}
img{max-width:100%;height:auto;display:block;}
a{color:var(--c-primary-600);text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease;}
a:hover{color:var(--c-primary);}
button{font-family:inherit;}
:focus-visible{outline:3px solid rgba(228,99,58,.35);outline-offset:2px;border-radius:6px;}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}
@media (min-width:1400px){ .container{max-width:1280px;} }

/* ---------- 顶部信息条 ---------- */
.topbar{
  background:var(--c-dark);
  color:rgba(246,242,234,.82);
  font-size:13px;
  min-height:36px;
  display:flex;
  align-items:center;
}
.topbar .topbar-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:var(--sp-3);
  min-height:36px;
}
.topbar .notice{
  display:flex;align-items:center;gap:8px;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.topbar .notice i{color:var(--c-mint);font-style:normal;}
.topbar .quick{display:flex;gap:8px;flex-wrap:nowrap;}
.topbar .quick a{
  display:inline-block;
  padding:2px 12px;
  border:1px solid rgba(246,242,234,.28);
  border-radius:999px;
  color:rgba(246,242,234,.86);
  font-size:12px;
  line-height:20px;
}
.topbar .quick a:hover{background:rgba(61,191,160,.16);border-color:var(--c-mint);color:#fff;}

/* ---------- 页头与导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:rgba(246,242,234,.96);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .25s ease,background-color .25s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-1);background:rgba(246,242,234,.98);}
.nav-inner{
  display:flex;
  align-items:center;
  gap:var(--sp-3);
  min-height:72px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:18px;
  font-weight:800;
  color:var(--c-primary);
  white-space:nowrap;
}
.brand:hover{color:var(--c-primary);}
.brand-mark{
  width:34px;height:34px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:10px;
  background:linear-gradient(140deg,var(--c-primary-600),var(--c-primary));
  color:#F6F2EA;
  font-size:16px;
  font-weight:800;
  flex:0 0 auto;
}
.nav-chips{
  display:flex;
  align-items:center;
  gap:8px;
  margin-left:auto;
  flex-wrap:nowrap;
}
.nav-chip{
  display:inline-flex;
  align-items:center;
  height:36px;
  padding:6px 16px;
  border-radius:999px;
  border:1px solid var(--c-line);
  color:var(--c-text-2);
  font-size:14px;
  background:transparent;
  white-space:nowrap;
  transition:all .2s ease;
}
.nav-chip:hover{border-color:var(--c-primary);color:var(--c-primary);}
.nav-chip.is-active{background:var(--c-primary);border-color:var(--c-primary);color:#F6F2EA;font-weight:600;}
.nav-cta{
  margin-left:24px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  height:40px;
  padding:0 22px;
  border-radius:var(--r-btn);
  background:var(--c-accent);
  color:#fff;
  font-weight:700;
  font-size:14px;
  border:none;
  box-shadow:var(--sh-1);
  transition:all .2s ease;
}
.nav-cta:hover{color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);filter:brightness(.94);}
.nav-cta:active{transform:translateY(0);}
.nav-toggle{
  display:none;
  width:44px;height:40px;
  border:1px solid var(--c-line);
  border-radius:var(--r-btn);
  background:var(--c-surface);
  color:var(--c-primary);
  align-items:center;
  justify-content:center;
  margin-left:auto;
  cursor:pointer;
}
.nav-toggle span{
  display:block;width:18px;height:2px;background:var(--c-primary);position:relative;
}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--c-primary);
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

/* ---------- 文章页主体 ---------- */
.page-wrap{padding:32px 0 88px;}
.crumb{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  font-size:13px;
  color:var(--c-text-2);
  margin-bottom:24px;
}
.crumb a{color:var(--c-text-2);}
.crumb a:hover{color:var(--c-primary-600);}
.crumb .sep{color:#B9B0A1;}
.crumb .current{color:var(--c-primary);font-weight:700;}

.article-shell{
  max-width:820px;
  margin:0 auto;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  padding:48px 56px 56px;
}
.article-head{padding-bottom:24px;border-bottom:1px solid var(--c-line);margin-bottom:32px;}
.badge-cat{
  display:inline-block;
  padding:4px 12px;
  border-radius:6px;
  background:rgba(27,107,92,.10);
  color:var(--c-primary-600);
  font-size:12px;
  font-weight:700;
  letter-spacing:.02em;
  margin-bottom:16px;
}
.article-head h1{
  font-size:clamp(26px,3.4vw,38px);
  line-height:1.32;
  font-weight:800;
  color:var(--c-primary);
  margin-bottom:18px;
}
.article-meta{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:10px;
  font-size:14px;
  color:var(--c-text-2);
}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:#C6BDAE;display:inline-block;}
.article-cover{
  margin:28px 0 0;
  border-radius:var(--r-img);
  overflow:hidden;
  border:1px solid var(--c-line);
  aspect-ratio:16/9;
  background:var(--c-bg-alt);
}
.article-cover img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.article-cover:hover img{transform:scale(1.02);}

.article-body{font-size:17px;line-height:1.9;color:var(--c-text);}
.article-body p{margin:0 0 1.1em;}
.article-body h2{
  font-size:clamp(21px,2.4vw,27px);
  font-weight:700;
  line-height:1.4;
  color:var(--c-primary);
  margin:2.1em 0 .8em;
  padding-left:14px;
  border-left:4px solid var(--c-accent);
}
.article-body h3{
  font-size:19px;
  font-weight:600;
  line-height:1.5;
  color:var(--c-text);
  margin:1.7em 0 .6em;
}
.article-body ul,.article-body ol{padding-left:1.3em;margin:0 0 1.1em;}
.article-body ul li{list-style:disc;margin-bottom:.5em;}
.article-body ol li{list-style:decimal;margin-bottom:.5em;}
.article-body blockquote{
  background:var(--c-bg-alt);
  border-left:4px solid var(--c-primary-600);
  border-radius:var(--r-img);
  padding:18px 22px;
  margin:1.4em 0;
  color:var(--c-text-2);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{
  max-width:100%;
  height:auto;
  border-radius:var(--r-img);
  box-shadow:var(--sh-1);
  margin:1.4em auto;
}
.article-body figure{margin:1.4em 0;}
.article-body figcaption{
  text-align:center;
  font-size:13px;
  color:var(--c-text-2);
  margin-top:10px;
}
.article-body table{
  width:100%;
  border-collapse:collapse;
  margin:1.4em 0;
  font-size:15px;
  border-radius:var(--r-img);
  overflow:hidden;
}
.article-body th,.article-body td{
  border:1px solid var(--c-line);
  padding:10px 14px;
  text-align:left;
  vertical-align:top;
}
.article-body th{background:var(--c-bg-alt);font-weight:700;color:var(--c-primary);}
.article-body a{color:var(--c-primary-600);text-decoration:underline;text-underline-offset:2px;}
.article-body a:hover{color:var(--c-primary);}
.article-body code{
  background:var(--c-bg-alt);
  padding:2px 6px;
  border-radius:6px;
  font-size:.92em;
  color:var(--c-info);
}
.article-body hr{border:none;border-top:1px solid var(--c-line);margin:2em 0;}

.empty-state{
  text-align:center;
  padding:56px 24px;
  border:1px dashed var(--c-line);
  border-radius:var(--r-card);
  background:var(--c-bg);
}
.empty-state .empty-icon{
  width:56px;height:56px;
  margin:0 auto 18px;
  border-radius:50%;
  border:1.5px solid var(--c-primary-600);
  display:flex;align-items:center;justify-content:center;
  color:var(--c-primary-600);
  font-size:24px;
  font-weight:700;
}
.empty-state h3{font-size:18px;font-weight:700;color:var(--c-primary);margin-bottom:8px;}
.empty-state p{color:var(--c-text-2);font-size:15px;margin-bottom:22px;}

.article-foot{margin-top:48px;padding-top:32px;border-top:1px solid var(--c-line);}
.foot-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:40px;}
.btn-primary-solid{
  display:inline-flex;align-items:center;justify-content:center;
  padding:12px 28px;
  border-radius:var(--r-btn);
  background:var(--c-accent);
  color:#fff;
  font-weight:700;
  font-size:15px;
  border:none;
  box-shadow:var(--sh-1);
  transition:all .2s ease;
}
.btn-primary-solid:hover{color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);filter:brightness(.94);}
.btn-primary-solid:active{transform:translateY(0);}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;
  padding:11px 26px;
  border-radius:var(--r-btn);
  border:1.5px solid var(--c-primary);
  color:var(--c-primary);
  background:transparent;
  font-weight:700;
  font-size:15px;
  transition:all .2s ease;
}
.btn-ghost:hover{background:rgba(27,107,92,.08);color:var(--c-primary);}

.related-title{
  font-size:20px;
  font-weight:700;
  color:var(--c-primary);
  margin-bottom:20px;
  display:flex;
  align-items:center;
  gap:10px;
}
.related-title::before{
  content:"";
  width:6px;height:20px;
  border-radius:3px;
  background:var(--c-accent);
  display:inline-block;
}
.related-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:20px;
}
.related-card{
  display:block;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  height:100%;
}
.related-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(15,63,56,.3);}
.related-card .thumb{
  aspect-ratio:16/9;
  overflow:hidden;
  background:var(--c-bg-alt);
}
.related-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.related-card:hover .thumb img{transform:scale(1.03);}
.related-card .rc-body{padding:16px 18px 20px;}
.related-card .rc-tag{
  display:inline-block;
  padding:3px 10px;
  border-radius:6px;
  background:rgba(228,99,58,.10);
  color:var(--c-accent);
  font-size:12px;
  font-weight:700;
  margin-bottom:10px;
}
.related-card h3{
  font-size:16px;
  font-weight:600;
  line-height:1.5;
  color:var(--c-text);
  margin-bottom:8px;
}
.related-card:hover h3{color:var(--c-primary-600);}
.related-card .rc-time{font-size:13px;color:var(--c-text-2);}

/* ---------- 底部 CTA 带 ---------- */
.cta-band{
  background:var(--c-dark);
  color:rgba(246,242,234,.9);
  padding:64px 0;
  margin-top:72px;
}
.cta-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
}
.cta-inner h2{
  font-size:clamp(22px,2.6vw,30px);
  font-weight:700;
  color:#F6F2EA;
  margin-bottom:10px;
}
.cta-inner p{color:rgba(246,242,234,.72);font-size:15px;max-width:560px;}
.btn-light-solid{
  display:inline-flex;align-items:center;justify-content:center;
  padding:13px 30px;
  border-radius:var(--r-btn);
  background:#F6F2EA;
  color:var(--c-dark);
  font-weight:700;
  font-size:15px;
  border:1px solid rgba(246,242,234,.3);
  transition:all .2s ease;
  white-space:nowrap;
}
.btn-light-solid:hover{background:#fff;color:var(--c-primary);transform:translateY(-2px);}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--c-dark);
  color:rgba(246,242,234,.82);
  padding:64px 0 24px;
  border-top:1px solid rgba(246,242,234,.1);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1fr;
  gap:32px;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:17px;
  font-weight:800;
  color:#F6F2EA;
  margin-bottom:14px;
}
.footer-brand .brand-mark{background:linear-gradient(140deg,var(--c-mint),var(--c-primary-600));}
.footer-col p{font-size:14px;line-height:1.8;color:rgba(246,242,234,.68);max-width:340px;}
.footer-col h4{
  font-size:14px;
  font-weight:700;
  color:#F6F2EA;
  margin-bottom:16px;
}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul li a{
  font-size:14px;
  color:rgba(246,242,234,.8);
}
.footer-col ul li a:hover{color:var(--c-mint);text-decoration:underline;text-underline-offset:3px;}
.footer-bottom{
  margin-top:48px;
  padding-top:20px;
  border-top:1px solid rgba(246,242,234,.14);
}
.footer-bottom .row-line{
  display:flex;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:12.5px;
  color:rgba(246,242,234,.6);
}

/* ---------- 响应式 ---------- */
@media (min-width:1200px){
  .container{padding-left:24px;padding-right:24px;}
}
@media (max-width:1199.98px){
  .nav-inner{gap:16px;}
  .nav-chip{padding:6px 13px;font-size:13px;}
  .nav-cta{margin-left:16px;padding:0 18px;}
}
@media (max-width:991.98px){
  .topbar .quick{display:none;}
  .nav-inner{min-height:60px;}
  .nav-toggle{display:inline-flex;}
  .nav-cta{display:none;}
  .nav-chips{
    display:none;
    position:absolute;
    top:100%;
    left:0;
    right:0;
    background:var(--c-surface);
    border-bottom:1px solid var(--c-line);
    box-shadow:var(--sh-2);
    padding:16px 24px 24px;
    flex-direction:column;
    align-items:stretch;
    gap:10px;
    margin-left:0;
  }
  .site-header.nav-open .nav-chips{display:flex;}
  .nav-chip{height:44px;justify-content:center;font-size:15px;}
  .site-header.nav-open .nav-chips .nav-cta{
    display:inline-flex;
    margin:8px 0 0;
    height:44px;
    width:100%;
  }
  .page-wrap{padding:24px 0 64px;}
  .article-shell{padding:36px 32px 40px;}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
}
@media (max-width:767.98px){
  .container{padding-left:16px;padding-right:16px;}
  .brand{font-size:16px;}
  .brand-mark{width:30px;height:30px;border-radius:9px;font-size:14px;}
  .article-shell{padding:28px 20px 32px;border-radius:14px;}
  .article-head h1{font-size:24px;}
  .article-body{font-size:16.5px;line-height:1.85;}
  .article-body h2{font-size:21px;}
  .article-body h3{font-size:18px;}
  .related-grid{grid-template-columns:1fr;}
  .cta-band{padding:48px 0;margin-top:56px;}
  .site-footer{padding:48px 0 20px;}
  .article-foot{margin-top:36px;padding-top:24px;}
}
@media (max-width:520px){
  .topbar{font-size:12px;}
  .topbar .notice{max-width:100%;}
  .page-wrap{padding:18px 0 48px;}
  .crumb{font-size:12.5px;gap:6px;margin-bottom:18px;}
  .article-meta{font-size:13px;gap:8px;}
  .related-title{font-size:18px;}
  .footer-grid{grid-template-columns:1fr;gap:24px;}
  .footer-bottom .row-line{flex-direction:column;gap:8px;}
  .btn-primary-solid,.btn-ghost,.btn-light-solid{width:100%;}
}

/* roulang page: category1 */
:root{
  --c-primary:#0F3F38;
  --c-primary-600:#1B6B5C;
  --c-accent:#E4633A;
  --c-mint:#3DBFA0;
  --c-bg:#F6F2EA;
  --c-bg-alt:#EFE9DE;
  --c-surface:#FFFFFF;
  --c-dark:#0B2A25;
  --c-text:#1C2B27;
  --c-text-2:#5A6B66;
  --c-line:#E3DCD0;
  --c-warn:#C7742B;
  --c-info:#2E7D74;
  --sh-1:0 1px 2px rgba(12,38,34,.06);
  --sh-2:0 8px 24px rgba(12,38,34,.08);
  --sh-3:0 18px 48px rgba(12,38,34,.14);
  --r-card:16px;
  --r-btn:10px;
  --r-img:12px;
  --sp-1:8px;--sp-2:16px;--sp-3:24px;--sp-4:32px;--sp-5:48px;--sp-6:64px;--sp-7:88px;
  --bs-primary:#0F3F38;
  --bs-body-color:#1C2B27;
  --bs-border-color:#E3DCD0;
  --bs-body-bg:#F6F2EA;
  --bs-border-radius:12px;
  --bs-link-color:#1B6B5C;
  --bs-link-hover-color:#0F3F38;
  --bs-font-sans-serif:system-ui,-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:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;line-height:1.85;color:var(--c-text);background:var(--c-bg);
  font-variant-numeric:tabular-nums;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0;}
ul,ol{list-style:none;}
img{max-width:100%;height:auto;display:block;}
a{color:var(--c-primary-600);text-decoration:none;transition:color .2s ease,text-decoration-color .2s ease;}
a:hover{color:var(--c-primary);}
a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid rgba(228,99,58,.32);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
@media (min-width:1400px){.container{max-width:1280px;}}
.section{padding:var(--sp-7) 0;}
.section-alt{background:var(--c-bg-alt);}

/* ============ 顶部信息条 ============ */
.topbar{height:36px;background:var(--c-dark);color:rgba(246,242,234,.86);font-size:13px;}
.topbar .container{height:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;}
.topbar-note{display:flex;align-items:center;gap:8px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.topbar-note i{color:var(--c-mint);}
.topbar-chips{display:flex;align-items:center;gap:8px;}
.topbar-chips a{
  color:rgba(246,242,234,.82);font-size:12px;padding:3px 12px;border-radius:999px;
  border:1px solid rgba(246,242,234,.22);transition:all .2s ease;
}
.topbar-chips a:hover{color:var(--c-dark);background:var(--c-mint);border-color:var(--c-mint);}

/* ============ Header / 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;background:rgba(246,242,234,.94);
  border-bottom:1px solid var(--c-line);transition:box-shadow .25s ease,background .25s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-1);background:rgba(246,242,234,.97);}
.header-inner{height:72px;display:flex;align-items:center;gap:24px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--c-primary);}
.brand:hover{color:var(--c-primary);}
.brand-mark{
  width:38px;height:38px;border-radius:11px;display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,var(--c-primary),var(--c-primary-600));color:#F6F2EA;
  font-weight:800;font-size:19px;letter-spacing:0;box-shadow:var(--sh-1);
}
.brand-text{font-size:18px;font-weight:800;line-height:1.2;letter-spacing:0;white-space:nowrap;}
.brand-text small{display:block;font-size:11px;font-weight:500;color:var(--c-text-2);letter-spacing:.04em;}
.nav-chips{display:flex;align-items:center;gap:8px;flex:1 1 auto;overflow-x:auto;scrollbar-width:none;}
.nav-chips::-webkit-scrollbar{display:none;}
.nav-chip{
  height:36px;display:inline-flex;align-items:center;padding:6px 16px;border-radius:999px;
  border:1px solid var(--c-line);color:var(--c-text-2);font-size:14px;white-space:nowrap;
  transition:all .2s ease;
}
.nav-chip:hover{border-color:var(--c-primary);color:var(--c-primary);background:rgba(27,107,92,.06);}
.nav-chip.is-active{background:var(--c-primary);border-color:var(--c-primary);color:#F6F2EA;font-weight:600;}
.header-cta{flex:0 0 auto;}
.btn-main{
  display:inline-flex;align-items:center;gap:8px;background:var(--c-accent);color:#fff;
  font-weight:700;font-size:15px;padding:12px 28px;border-radius:var(--r-btn);border:1px solid var(--c-accent);
  transition:all .2s ease;cursor:pointer;
}
.btn-main:hover{color:#fff;filter:brightness(.94);transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-main:active{transform:translateY(0);}
.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;background:transparent;color:var(--c-primary);
  font-weight:600;font-size:15px;padding:12px 28px;border-radius:var(--r-btn);border:1.5px solid var(--c-primary);
  transition:all .2s ease;cursor:pointer;
}
.btn-ghost:hover{background:rgba(27,107,92,.08);color:var(--c-primary);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn-sm{padding:9px 20px;font-size:14px;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:10px;border:1px solid var(--c-line);
  background:var(--c-surface);color:var(--c-primary);font-size:17px;align-items:center;justify-content:center;
}
.mobile-drawer{display:none;}
.mobile-drawer.is-open{display:block;}
.mobile-drawer{
  border-top:1px solid var(--c-line);background:var(--c-surface);padding:16px 0 20px;
}
.mobile-drawer .nav-chips{flex-direction:column;align-items:stretch;overflow:visible;gap:10px;}
.mobile-drawer .nav-chip{justify-content:center;height:42px;}
.mobile-drawer .btn-main{width:100%;justify-content:center;margin-top:16px;}

/* ============ 小 KV ============ */
.page-kv{
  position:relative;overflow:hidden;color:#F6F2EA;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
}
.page-kv::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(15,63,56,.94) 0%,rgba(15,63,56,.70) 55%,rgba(11,42,37,.62) 100%);
}
.page-kv::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(circle at 78% 30%,rgba(61,191,160,.18),transparent 58%);
  pointer-events:none;
}
.page-kv .container{position:relative;z-index:2;padding-top:56px;padding-bottom:56px;}
.kv-crumb{font-size:13px;color:rgba(246,242,234,.74);display:flex;align-items:center;gap:10px;margin-bottom:18px;}
.kv-crumb a{color:rgba(246,242,234,.86);}
.kv-crumb a:hover{color:var(--c-mint);}
.kv-crumb i{font-size:10px;opacity:.7;}
.kv-crumb .now{color:#F6F2EA;font-weight:600;}
.page-kv h1{
  font-size:clamp(30px,4.4vw,48px);line-height:1.25;font-weight:800;letter-spacing:0;
}
.page-kv .kv-sub{
  margin-top:16px;max-width:660px;font-size:16px;line-height:1.85;color:rgba(246,242,234,.84);
}
.kv-meta{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.kv-meta span{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;padding:6px 14px;border-radius:999px;
  border:1px solid rgba(246,242,234,.28);color:rgba(246,242,234,.9);
}
.kv-meta span i{color:var(--c-mint);}

/* ============ 分段 chip ============ */
.seg-wrap{padding-top:36px;}
.seg-chips{display:flex;flex-wrap:wrap;gap:12px;align-items:center;}
.seg-chip{
  display:inline-flex;align-items:center;gap:8px;height:42px;padding:8px 22px;border-radius:999px;
  border:1px solid var(--c-line);background:var(--c-surface);color:var(--c-text-2);font-size:15px;
  transition:all .2s ease;box-shadow:var(--sh-1);
}
.seg-chip:hover{border-color:var(--c-primary);color:var(--c-primary);transform:translateY(-2px);}
.seg-chip.is-active{background:var(--c-primary);border-color:var(--c-primary);color:#F6F2EA;font-weight:600;}
.seg-chip.is-active i{color:var(--c-mint);}

/* ============ 板块标题 ============ */
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap;}
.sec-head h2{font-size:clamp(24px,3vw,34px);line-height:1.35;font-weight:700;letter-spacing:0;}
.sec-head .sec-desc{margin-top:10px;color:var(--c-text-2);font-size:15px;max-width:640px;}
.sec-more{font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:6px;}
.sec-more i{transition:transform .2s ease;}
.sec-more:hover i{transform:translateX(4px);}

/* ============ 内容卡 ============ */
.c-card{
  height:100%;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);display:flex;flex-direction:column;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.c-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(15,63,56,.3);}
.c-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--c-bg-alt);}
.c-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.c-card:hover .c-thumb img{transform:scale(1.03);}
.c-badge{
  position:absolute;left:14px;top:14px;background:rgba(11,42,37,.82);color:#F6F2EA;
  font-size:12px;padding:4px 10px;border-radius:6px;letter-spacing:.02em;
}
.c-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1 1 auto;}
.c-body h3{font-size:19px;line-height:1.45;font-weight:600;margin-bottom:10px;transition:color .2s ease;}
.c-card:hover .c-body h3{color:var(--c-primary-600);}
.c-body p{font-size:14px;line-height:1.75;color:var(--c-text-2);margin-bottom:16px;}
.c-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px;}
.c-tag{
  font-size:12px;padding:3px 10px;border-radius:6px;background:rgba(27,107,92,.08);
  color:var(--c-primary-600);border:1px solid rgba(27,107,92,.16);
}
.c-tag.mint{background:rgba(61,191,160,.12);color:#1B6B5C;border-color:rgba(61,191,160,.3);}
.c-foot{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--c-line);
  display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--c-text-2);
}
.c-foot .go{display:inline-flex;align-items:center;gap:6px;color:var(--c-primary-600);font-weight:600;}
.c-foot .go i{transition:transform .2s ease;}
.c-card:hover .c-foot .go i{transform:translateX(4px);}

/* ============ 相关分类 ============ */
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.rel-item{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:26px 24px;box-shadow:var(--sh-1);transition:all .2s ease;display:block;height:100%;
}
.rel-item:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(15,63,56,.3);}
.rel-item i{font-size:20px;color:var(--c-accent);margin-bottom:14px;display:block;}
.rel-item h3{font-size:18px;font-weight:600;color:var(--c-text);margin-bottom:8px;}
.rel-item:hover h3{color:var(--c-primary-600);}
.rel-item p{font-size:14px;color:var(--c-text-2);line-height:1.75;}

/* ============ 分页 ============ */
.pager{display:flex;justify-content:center;align-items:center;gap:10px;margin-top:48px;flex-wrap:wrap;}
.pager a,.pager span{
  min-width:42px;height:42px;padding:0 14px;border-radius:999px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--c-line);background:var(--c-surface);color:var(--c-text-2);font-size:14px;transition:all .2s ease;
}
.pager a:hover{border-color:var(--c-primary);color:var(--c-primary);background:rgba(27,107,92,.08);}
.pager .is-current{background:var(--c-primary);border-color:var(--c-primary);color:#F6F2EA;font-weight:700;}
.pager .is-disabled{opacity:.45;cursor:not-allowed;}

/* ============ FAQ ============ */
.faq-list{max-width:900px;margin:0 auto;}
.faq-item{border-bottom:1px solid var(--c-line);padding:6px 0;}
.faq-q{
  width:100%;display:flex;align-items:center;gap:14px;padding:18px 4px;background:transparent;border:0;
  text-align:left;font-size:16px;font-weight:600;color:var(--c-text);cursor:pointer;transition:color .2s ease;
}
.faq-q .idx{
  width:28px;height:28px;border-radius:999px;background:rgba(27,107,92,.1);color:var(--c-primary-600);
  font-size:13px;display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;
}
.faq-q .plus{margin-left:auto;color:var(--c-text-2);transition:transform .25s ease;}
.faq-q[aria-expanded="true"]{color:var(--c-primary);}
.faq-q[aria-expanded="true"] .plus{transform:rotate(45deg);color:var(--c-accent);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-a .inner{
  background:var(--c-bg);border-radius:12px;padding:20px;margin:0 4px 18px;font-size:15px;
  line-height:1.85;color:var(--c-text-2);
}

/* ============ CTA 带 ============ */
.cta-band{background:var(--c-dark);color:#F6F2EA;padding:72px 0;}
.cta-inner{
  border:1px solid rgba(246,242,234,.16);border-radius:20px;padding:48px 44px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-inner h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;line-height:1.4;color:#F6F2EA;}
.cta-inner p{margin-top:12px;font-size:15px;color:rgba(246,242,234,.76);max-width:560px;}
.btn-light-solid{
  display:inline-flex;align-items:center;gap:8px;background:#F6F2EA;color:var(--c-dark);
  font-weight:700;font-size:15px;padding:13px 30px;border-radius:var(--r-btn);border:1px solid #F6F2EA;
  transition:all .2s ease;
}
.btn-light-solid:hover{background:#fff;color:var(--c-dark);transform:translateY(-2px);}
.btn-light-solid:active{transform:translateY(0);}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-dark);color:rgba(246,242,234,.8);padding:64px 0 0;font-size:14px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;}
.footer-brand{display:flex;align-items:center;gap:10px;color:#F6F2EA;font-weight:800;font-size:17px;margin-bottom:14px;}
.footer-brand .brand-mark{background:#F6F2EA;color:var(--c-dark);}
.footer-col p{line-height:1.8;color:rgba(246,242,234,.7);}
.footer-col h4{font-size:14px;font-weight:700;color:#F6F2EA;margin-bottom:16px;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul li a{color:rgba(246,242,234,.8);font-size:14px;}
.footer-col ul li a:hover{color:var(--c-mint);text-decoration:underline;text-underline-offset:2px;}
.footer-bottom{margin-top:48px;border-top:1px solid rgba(246,242,234,.16);padding:20px 0 26px;}
.footer-bottom .row-line{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12.5px;color:rgba(246,242,234,.62);
}

/* ============ 响应式 ============ */
@media (max-width:1200px){
  .rel-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:992px){
  .nav-chips,.header-cta{display:none;}
  .nav-toggle{display:inline-flex;}
  .header-inner{height:60px;}
  .section{padding:56px 0;}
  .page-kv .container{padding-top:40px;padding-bottom:40px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .cta-inner{padding:36px 28px;}
}
@media (max-width:768px){
  .topbar-note{font-size:12px;}
  .topbar-chips{display:none;}
  .rel-grid{grid-template-columns:1fr;}
  .sec-head{margin-bottom:28px;}
  .c-body{padding:18px;}
  .faq-q{font-size:15px;}
}
@media (max-width:576px){
  .container{padding:0 16px;}
  body{font-size:15px;}
  .page-kv h1{font-size:28px;}
  .kv-sub{font-size:15px;}
  .seg-chips{flex-wrap:nowrap;overflow-x:auto;padding-bottom:6px;}
  .seg-chip{flex:0 0 auto;}
  .footer-grid{grid-template-columns:1fr;}
  .cta-band{padding:48px 0;}
  .cta-inner{padding:28px 20px;}
  .btn-main,.btn-ghost{width:100%;justify-content:center;}
}

/* roulang page: category2 */
:root{
  --c-primary:#0F3F38;
  --c-primary-600:#1B6B5C;
  --c-accent:#E4633A;
  --c-mint:#3DBFA0;
  --c-bg:#F6F2EA;
  --c-bg-alt:#EFE9DE;
  --c-surface:#FFFFFF;
  --c-dark:#0B2A25;
  --c-text:#1C2B27;
  --c-text-2:#5A6B66;
  --c-line:#E3DCD0;
  --c-warn:#C7742B;
  --c-info:#2E7D74;
  --r-card:16px;
  --r-btn:10px;
  --r-chip:999px;
  --r-img:14px;
  --sh-1:0 1px 2px rgba(12,38,34,.06);
  --sh-2:0 8px 24px rgba(12,38,34,.08);
  --sh-3:0 18px 48px rgba(12,38,34,.14);
  --bs-primary:#0F3F38;
  --bs-body-color:#1C2B27;
  --bs-border-color:#E3DCD0;
  --bs-border-radius:10px;
  --bs-link-color:#1B6B5C;
  --bs-link-hover-color:#0F3F38;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:0;
  font-variant-numeric:tabular-nums;
}
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(--c-primary-600);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--c-primary);text-decoration:underline;text-underline-offset:2px}
a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid rgba(228,99,58,.35);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media (min-width:1400px){.container{max-width:1280px}}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--c-dark);color:rgba(246,242,234,.86);font-size:13px;line-height:36px;height:36px;overflow:hidden}
.topbar .container{display:flex;align-items:center;justify-content:space-between;gap:16px}
.topbar-note{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar-chips{display:flex;gap:8px;flex:0 0 auto}
.topbar-chips a{
  color:rgba(246,242,234,.9);border:1px solid rgba(246,242,234,.25);
  border-radius:var(--r-chip);padding:0 12px;line-height:22px;font-size:12px;display:inline-block;text-decoration:none;
  transition:all .2s ease
}
.topbar-chips a:hover{background:rgba(61,191,160,.18);border-color:var(--c-mint);color:#fff;text-decoration:none}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;background:rgba(246,242,234,.96);
  border-bottom:1px solid var(--c-line);transition:box-shadow .2s ease,background .2s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-1);background:rgba(246,242,234,.98)}
.header-inner{display:flex;align-items:center;gap:24px;height:72px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;text-decoration:none}
.brand:hover{text-decoration:none}
.brand-mark{
  width:38px;height:38px;flex:0 0 38px;border-radius:11px;
  background:linear-gradient(135deg,var(--c-primary) 0%,var(--c-primary-600) 100%);
  color:#F6F2EA;font-weight:800;font-size:19px;display:flex;align-items:center;justify-content:center;
  box-shadow:var(--sh-1)
}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-name{font-size:16px;font-weight:800;color:var(--c-primary);letter-spacing:0}
.brand-sub{font-size:11px;color:var(--c-text-2);letter-spacing:.04em}
.nav-chips{display:flex;align-items:center;gap:8px;flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none;margin:0 auto}
.nav-chips::-webkit-scrollbar{display:none}
.nav-chip{
  height:36px;line-height:34px;padding:0 16px;border-radius:var(--r-chip);
  border:1px solid var(--c-line);color:var(--c-text-2);font-size:14px;white-space:nowrap;
  background:transparent;transition:all .2s ease;text-decoration:none
}
.nav-chip:hover{border-color:var(--c-primary);color:var(--c-primary);text-decoration:none}
.nav-chip.is-active{background:var(--c-primary);border-color:var(--c-primary);color:#fff;font-weight:600}
.header-cta{flex:0 0 auto}
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--c-accent);color:#fff;font-weight:700;font-size:15px;
  padding:12px 28px;border-radius:var(--r-btn);border:1px solid var(--c-accent);
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;cursor:pointer
}
.btn-main:hover{filter:brightness(.94);transform:translateY(-2px);box-shadow:var(--sh-2);color:#fff;text-decoration:none}
.btn-main:active{transform:translateY(0)}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:transparent;color:var(--c-primary);font-weight:600;font-size:15px;
  padding:12px 28px;border-radius:var(--r-btn);border:1.5px solid var(--c-primary);
  transition:background .2s ease,transform .2s ease;cursor:pointer
}
.btn-ghost:hover{background:rgba(27,107,92,.08);transform:translateY(-2px);color:var(--c-primary);text-decoration:none}
.btn-main.sm,.btn-ghost.sm{padding:9px 20px;font-size:14px}
.btn-light{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:#F6F2EA;color:var(--c-dark);font-weight:700;font-size:15px;
  padding:12px 28px;border-radius:var(--r-btn);border:1px solid rgba(246,242,234,.6);
  transition:transform .2s ease,box-shadow .2s ease
}
.btn-light:hover{transform:translateY(-2px);color:var(--c-dark);text-decoration:none;box-shadow:0 12px 28px rgba(0,0,0,.22)}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:10px;border:1px solid var(--c-line);
  background:#fff;align-items:center;justify-content:center;flex-direction:column;gap:4px;cursor:pointer
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--c-primary);border-radius:2px}
.mobile-drawer{display:none;border-top:1px solid var(--c-line);background:#fff}
.mobile-drawer.open{display:block}
.mobile-drawer .container{padding-top:12px;padding-bottom:20px}
.mobile-drawer .nav-chip{display:block;height:44px;line-height:42px;margin-bottom:8px;text-align:center}
.mobile-drawer .btn-main{width:100%}

/* ---------- 小 KV ---------- */
.page-kv{
  position:relative;overflow:hidden;
  background-image:linear-gradient(135deg,rgba(246,242,234,.94) 0%,rgba(246,242,234,.82) 55%,rgba(246,242,234,.66) 100%),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--c-line)
}
.page-kv::after{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(115deg,rgba(15,63,56,.05) 0 1px,transparent 1px 22px);
  opacity:.5;pointer-events:none
}
.kv-inner{position:relative;z-index:2;padding:56px 0 52px;max-width:760px}
.kv-eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:600;
  color:var(--c-primary-600);background:rgba(61,191,160,.14);border:1px solid rgba(61,191,160,.34);
  border-radius:var(--r-chip);padding:4px 14px;margin-bottom:18px
}
.kv-inner h1{font-size:clamp(30px,4.4vw,46px);font-weight:800;line-height:1.25;color:var(--c-primary)}
.kv-desc{margin-top:16px;font-size:16.5px;color:var(--c-text-2);max-width:640px}
.kv-meta{display:flex;flex-wrap:wrap;gap:24px;margin-top:26px;padding-top:22px;border-top:1px dashed rgba(15,63,56,.2)}
.kv-meta div{min-width:110px}
.kv-meta .num{font-size:22px;font-weight:800;color:var(--c-primary);line-height:1.3}
.kv-meta .lbl{font-size:12.5px;color:var(--c-text-2)}

/* ---------- 分段 chip ---------- */
.seg-bar{background:var(--c-bg-alt);border-bottom:1px solid var(--c-line)}
.seg-inner{display:flex;gap:10px;overflow-x:auto;padding:16px 0;scrollbar-width:none}
.seg-inner::-webkit-scrollbar{display:none}
.seg-chip{
  height:38px;line-height:36px;padding:0 18px;border-radius:var(--r-chip);
  background:#fff;border:1px solid var(--c-line);color:var(--c-text-2);font-size:14px;white-space:nowrap;
  transition:all .2s ease;text-decoration:none
}
.seg-chip:hover{border-color:var(--c-primary-600);color:var(--c-primary);text-decoration:none}
.seg-chip.is-active{background:var(--c-primary);border-color:var(--c-primary);color:#fff;font-weight:600}

/* ---------- 通用板块 ---------- */
.section{padding:72px 0}
.section.alt{background:var(--c-bg-alt)}
.section-head{margin-bottom:40px;max-width:780px}
.section-head .tag{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--c-accent);
  background:rgba(228,99,58,.1);border-radius:6px;padding:3px 10px;margin-bottom:12px
}
.section-head h2{font-size:clamp(24px,3vw,32px);font-weight:700;line-height:1.35;color:var(--c-primary)}
.section-head p{margin-top:12px;color:var(--c-text-2);font-size:15.5px}

/* ---------- 卖点 ---------- */
.value-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:24px}
.value-main{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:32px;box-shadow:var(--sh-1);display:flex;flex-direction:column;justify-content:space-between
}
.value-main h3{font-size:22px;font-weight:700;color:var(--c-primary);line-height:1.45}
.value-main p{margin-top:14px;color:var(--c-text-2);font-size:15.5px}
.value-side{display:grid;grid-template-rows:1fr 1fr;gap:24px}
.value-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-1);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease
}
.value-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(15,63,56,.3)}
.value-card h3{font-size:18px;font-weight:600;color:var(--c-primary);display:flex;align-items:center;gap:10px}
.value-card h3 .dot{width:8px;height:8px;border-radius:50%;background:var(--c-accent);flex:0 0 8px}
.value-card p{margin-top:10px;font-size:14.5px;color:var(--c-text-2)}

/* ---------- 步骤条 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;position:relative}
.step{position:relative;padding:0 20px 0 0}
.step::after{
  content:"";position:absolute;top:26px;right:8px;width:calc(100% - 56px);border-top:1px dashed rgba(15,63,56,.28)
}
.step:last-child::after{display:none}
.step-num{
  position:relative;z-index:1;width:52px;height:52px;border-radius:14px;background:#fff;
  border:1px solid rgba(15,63,56,.18);color:var(--c-primary);font-size:20px;font-weight:800;
  display:flex;align-items:center;justify-content:center;box-shadow:var(--sh-1)
}
.step-num em{font-style:normal;position:absolute;font-size:34px;font-weight:800;color:rgba(15,63,56,.09);transform:translate(2px,-2px)}
.step h3{margin-top:18px;font-size:17px;font-weight:600;color:var(--c-primary)}
.step p{margin-top:8px;font-size:14.5px;color:var(--c-text-2);padding-right:12px}

/* ---------- 适用场景 ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.scene-item{
  display:flex;gap:16px;align-items:flex-start;background:var(--c-surface);
  border:1px solid var(--c-line);border-radius:var(--r-card);padding:22px;box-shadow:var(--sh-1);
  transition:border-color .2s ease,transform .2s ease
}
.scene-item:hover{border-color:rgba(61,191,160,.55);transform:translateY(-3px)}
.scene-icon{
  width:42px;height:42px;flex:0 0 42px;border-radius:12px;background:rgba(61,191,160,.14);
  color:var(--c-primary-600);font-weight:800;display:flex;align-items:center;justify-content:center;font-size:15px
}
.scene-item h3{font-size:16.5px;font-weight:600;color:var(--c-primary)}
.scene-item p{margin-top:6px;font-size:14.5px;color:var(--c-text-2)}

/* ---------- 内容卡列表 ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.item-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);display:flex;flex-direction:column;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease
}
.item-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(15,63,56,.3)}
.thumb{aspect-ratio:16/9;overflow:hidden;background:var(--c-bg-alt)}
.thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.item-card:hover .thumb img{transform:scale(1.03)}
.card-body{padding:20px;display:flex;flex-direction:column;flex:1}
.badge-soft{
  display:inline-block;font-size:12px;font-weight:600;border-radius:6px;padding:2px 9px;
  background:rgba(15,63,56,.08);color:var(--c-primary-600);margin-bottom:10px;align-self:flex-start
}
.badge-soft.accent{background:rgba(228,99,58,.12);color:#B8481F}
.badge-soft.mint{background:rgba(61,191,160,.16);color:#1F7A63}
.item-card h3{font-size:17.5px;font-weight:600;line-height:1.5;color:var(--c-primary);margin-bottom:10px}
.item-card p{font-size:14px;color:var(--c-text-2);flex:1}
.card-meta{
  margin-top:16px;padding-top:14px;border-top:1px solid var(--c-line);
  display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--c-text-2)
}
.arrow-link{color:var(--c-accent);font-weight:600;display:inline-flex;align-items:center;gap:5px}
.arrow-link i{font-style:normal;transition:transform .2s ease}
.arrow-link:hover{text-decoration:none;color:#B8481F}
.arrow-link:hover i{transform:translateX(4px)}

/* ---------- 相关分类 + 分页 ---------- */
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-bottom:36px}
.related-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:22px;box-shadow:var(--sh-1);transition:transform .2s ease,border-color .2s ease
}
.related-card:hover{transform:translateY(-3px);border-color:rgba(15,63,56,.3)}
.related-card h3{font-size:17px;font-weight:600;color:var(--c-primary)}
.related-card p{margin-top:8px;font-size:14px;color:var(--c-text-2)}
.pagination-row{display:flex;justify-content:center;gap:10px;flex-wrap:wrap}
.page-pill{
  min-width:40px;height:40px;line-height:38px;text-align:center;border-radius:999px;
  border:1px solid var(--c-line);background:#fff;color:var(--c-text-2);font-size:14px;padding:0 14px;
  transition:all .2s ease;text-decoration:none
}
.page-pill:hover{background:rgba(15,63,56,.08);color:var(--c-primary);text-decoration:none}
.page-pill.is-current{background:var(--c-primary);border-color:var(--c-primary);color:#fff;font-weight:700}
.page-pill.is-disabled{opacity:.45;cursor:not-allowed;pointer-events:none}

/* ---------- FAQ ---------- */
.accordion-item{border:none;border-bottom:1px solid var(--c-line);background:transparent}
.accordion-item:first-of-type{border-top:1px solid var(--c-line)}
.accordion-button{
  background:transparent;color:var(--c-text);font-size:16.5px;font-weight:600;line-height:1.6;
  padding:20px 44px 20px 0;box-shadow:none;display:flex;align-items:flex-start;gap:12px
}
.accordion-button:not(.collapsed){color:var(--c-primary);background:transparent;box-shadow:none}
.accordion-button::after{
  background-image:none;content:"+";font-size:22px;font-weight:400;color:var(--c-accent);
  width:22px;height:22px;line-height:20px;text-align:center;transition:transform .25s ease;
  position:absolute;right:6px;top:20px;margin:0
}
.accordion-button:not(.collapsed)::after{transform:rotate(45deg)}
.accordion-button:focus{box-shadow:none}
.accordion-body{
  background:var(--c-bg);border-radius:12px;padding:20px;font-size:15px;color:var(--c-text-2);
  margin-bottom:16px
}
.faq-num{
  flex:0 0 26px;width:26px;height:26px;border-radius:50%;background:rgba(15,63,56,.08);
  color:var(--c-primary-600);font-size:13px;font-weight:700;display:inline-flex;align-items:center;justify-content:center;margin-top:2px
}

/* ---------- CTA 带 ---------- */
.cta-band{background:var(--c-dark);color:#F6F2EA;padding:64px 0;position:relative;overflow:hidden}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(circle at 82% 28%,rgba(61,191,160,.2),transparent 55%);
  pointer-events:none
}
.cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-inner h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;color:#F6F2EA;line-height:1.4}
.cta-inner p{margin-top:10px;color:rgba(246,242,234,.78);font-size:15px;max-width:620px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-dark);color:rgba(246,242,234,.8);padding:56px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#F6F2EA;font-size:16px;font-weight:700}
.footer-brand .brand-mark{box-shadow:none;background:linear-gradient(135deg,#1B6B5C,#3DBFA0)}
.footer-col p{margin-top:14px;font-size:14px;color:rgba(246,242,234,.72);line-height:1.8;max-width:340px}
.footer-col h4{font-size:14px;font-weight:700;color:#F6F2EA;margin-bottom:16px}
.footer-col ul li{margin-bottom:10px}
.footer-col ul a{font-size:14px;color:rgba(246,242,234,.8);text-decoration:none}
.footer-col ul a:hover{color:var(--c-mint);text-decoration:underline;text-underline-offset:3px}
.footer-bottom{margin-top:44px;border-top:1px solid rgba(246,242,234,.16);padding:18px 0 26px}
.footer-bottom .row-line{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:12.5px;color:rgba(246,242,234,.62)}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .nav-chips{display:none}
  .header-cta{display:none}
  .nav-toggle{display:flex}
  .header-inner{justify-content:space-between}
}
@media (max-width:991.98px){
  .section{padding:56px 0}
  .value-grid{grid-template-columns:1fr}
  .value-side{grid-template-columns:1fr 1fr;grid-template-rows:none}
  .steps{grid-template-columns:repeat(2,1fr);gap:28px 0}
  .step:nth-child(2)::after{display:none}
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .scene-grid{grid-template-columns:1fr}
  .related-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:767.98px){
  .kv-inner{padding:44px 0 40px}
  .kv-meta{gap:18px}
  .value-side{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .step{padding-right:0}
  .step::after{display:none}
  .cta-inner{flex-direction:column;align-items:flex-start}
}
@media (max-width:575.98px){
  .container{padding:0 16px}
  body{font-size:15.5px}
  .card-grid{grid-template-columns:1fr}
  .related-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .topbar-chips{display:none}
  .topbar .container{justify-content:flex-start}
  .section{padding:46px 0}
}

/* roulang page: category3 */
:root{
  --c-primary:#0F3F38;
  --c-primary-600:#1B6B5C;
  --c-accent:#E4633A;
  --c-mint:#3DBFA0;
  --c-bg:#F6F2EA;
  --c-bg-alt:#EFE9DE;
  --c-surface:#FFFFFF;
  --c-dark:#0B2A25;
  --c-text:#1C2B27;
  --c-text-2:#5A6B66;
  --c-line:#E3DCD0;
  --c-warn:#C7742B;
  --c-info:#2E7D74;
  --sh-1:0 1px 2px rgba(12,38,34,.06);
  --sh-2:0 8px 24px rgba(12,38,34,.08);
  --sh-3:0 18px 48px rgba(12,38,34,.14);
  --r-card:16px;
  --r-btn:10px;
  --r-img:14px;
  --sp-1:8px; --sp-2:16px; --sp-3:24px; --sp-4:32px; --sp-5:48px; --sp-6:64px; --sp-7:88px;
  --bs-primary:#0F3F38;
  --bs-body-color:#1C2B27;
  --bs-border-color:#E3DCD0;
  --bs-border-radius:16px;
  --bs-body-bg:#F6F2EA;
  --bs-link-color:#1B6B5C;
  --bs-link-hover-color:#0F3F38;
  --bs-font-sans-serif:system-ui,-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;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:var(--bs-font-sans-serif);
  font-size:16px;
  line-height:1.85;
  letter-spacing:0;
  font-variant-numeric:tabular-nums;
  overflow-x:hidden;
}
h1,h2,h3,h4,h5,p,ul,ol,figure{margin:0}
h1,h2,h3,h4{line-height:1.35;font-weight:700;letter-spacing:0}
ul{padding:0;list-style:none}
img{max-width:100%;display:block}
a{color:var(--c-primary-600);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--c-primary)}
button{font-family:inherit}
:focus-visible{outline:3px solid rgba(228,99,58,.35);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media (min-width:1400px){.container{max-width:1280px}}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--c-dark);color:rgba(246,242,234,.82);font-size:13px;height:36px;display:flex;align-items:center}
.topbar .container{display:flex;align-items:center;justify-content:space-between;gap:16px}
.topbar-left{display:flex;align-items:center;gap:8px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar-left i{color:var(--c-mint)}
.topbar-right{display:flex;align-items:center;gap:8px}
.topbar-chip{
  display:inline-block;padding:2px 12px;border-radius:999px;font-size:12px;
  color:rgba(246,242,234,.9);border:1px solid rgba(246,242,234,.22);white-space:nowrap;transition:.2s ease;
}
.topbar-chip:hover{background:rgba(61,191,160,.18);border-color:rgba(61,191,160,.55);color:#fff}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;background:rgba(246,242,234,.96);
  border-bottom:1px solid var(--c-line);transition:box-shadow .25s ease,background .25s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-1);background:rgba(246,242,234,.98)}
.header-inner{display:flex;align-items:center;gap:24px;height:72px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:36px;height:36px;border-radius:10px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--c-primary) 0%,var(--c-primary-600) 100%);
  color:#fff;font-weight:800;font-size:17px;letter-spacing:0;
}
.brand-text{font-size:16px;font-weight:800;color:var(--c-primary);white-space:nowrap}
.nav-chips{display:flex;align-items:center;gap:8px;flex:1 1 auto;overflow-x:auto;scrollbar-width:none}
.nav-chips::-webkit-scrollbar{display:none}
.nav-chip{
  display:inline-flex;align-items:center;height:36px;padding:0 16px;border-radius:999px;
  border:1px solid var(--c-line);background:transparent;color:var(--c-text-2);
  font-size:14px;font-weight:600;white-space:nowrap;transition:.2s ease;
}
.nav-chip:hover{border-color:var(--c-primary);color:var(--c-primary);background:rgba(15,63,56,.05)}
.nav-chip.is-active{background:var(--c-primary);border-color:var(--c-primary);color:#fff}
.header-actions{display:flex;align-items:center;gap:16px;flex:0 0 auto}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:10px;border:1px solid var(--c-line);
  background:var(--c-surface);color:var(--c-primary);font-size:17px;align-items:center;justify-content:center;
}
.mobile-nav{display:none;border-top:1px solid var(--c-line);background:var(--c-surface);padding:16px 24px 20px}
.mobile-nav.is-open{display:block}
.mobile-nav ul{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.mobile-nav a{
  display:block;padding:10px 14px;border-radius:10px;border:1px solid var(--c-line);
  font-size:14px;font-weight:600;color:var(--c-text-2);background:var(--c-bg);
}
.mobile-nav a.is-active{background:var(--c-primary);color:#fff;border-color:var(--c-primary)}
.mobile-nav .mobile-cta{grid-column:1 / -1;text-align:center;background:var(--c-accent);color:#fff;border-color:var(--c-accent)}

/* ---------- 按钮 ---------- */
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--c-accent);color:#fff;font-weight:700;font-size:15px;
  padding:11px 26px;border-radius:var(--r-btn);border:1px solid transparent;
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;cursor:pointer;
}
.btn-brand:hover{filter:brightness(.94);transform:translateY(-2px);box-shadow:var(--sh-2);color:#fff}
.btn-brand:active{transform:translateY(0)}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:transparent;color:var(--c-primary);font-weight:700;font-size:15px;
  padding:10px 24px;border-radius:var(--r-btn);border:1.5px solid var(--c-primary);transition:.2s ease;cursor:pointer;
}
.btn-ghost:hover{background:rgba(27,107,92,.08);color:var(--c-primary)}
.btn-ghost.on-dark{color:#F6F2EA;border-color:rgba(246,242,234,.5)}
.btn-ghost.on-dark:hover{background:rgba(246,242,234,.12);color:#fff}
.btn-light-solid{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:#F6F2EA;color:var(--c-dark);font-weight:700;font-size:15px;
  padding:12px 30px;border-radius:var(--r-btn);border:1px solid transparent;transition:.2s ease;cursor:pointer;
}
.btn-light-solid:hover{background:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);color:var(--c-dark)}
.btn-sm{padding:8px 18px;font-size:14px}

/* ---------- 分类 KV ---------- */
.cat-kv{
  position:relative;overflow:hidden;border-bottom:1px solid var(--c-line);
  background-image:
    linear-gradient(100deg,rgba(246,242,234,.95) 0%,rgba(246,242,234,.80) 45%,rgba(239,233,222,.72) 100%),
    url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
}
.cat-kv::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(135deg,rgba(15,63,56,.06) 25%,transparent 25%,transparent 50%,rgba(15,63,56,.06) 50%,rgba(15,63,56,.06) 75%,transparent 75%);
  background-size:28px 28px;opacity:.5;
}
.cat-kv-inner{position:relative;z-index:2;padding:56px 0 52px;max-width:760px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--c-primary-600);
  background:rgba(61,191,160,.14);border:1px solid rgba(61,191,160,.35);
  padding:4px 14px;border-radius:999px;margin-bottom:16px;
}
.cat-kv h1{font-size:clamp(30px,4.4vw,48px);font-weight:800;line-height:1.25;color:var(--c-primary)}
.cat-kv .kv-sub{margin-top:16px;font-size:16px;color:var(--c-text-2);max-width:640px}
.kv-meta{display:flex;flex-wrap:wrap;gap:12px 28px;margin-top:24px}
.kv-meta-item{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--c-text-2)}
.kv-meta-item strong{color:var(--c-primary);font-weight:800;font-size:18px}

/* ---------- 分段 chip ---------- */
.segment-bar{background:var(--c-surface);border-bottom:1px solid var(--c-line)}
.segment-inner{display:flex;align-items:center;gap:10px;padding:14px 0;overflow-x:auto;scrollbar-width:none}
.segment-inner::-webkit-scrollbar{display:none}
.seg-chip{
  display:inline-flex;align-items:center;gap:8px;height:38px;padding:0 20px;border-radius:999px;
  border:1px solid var(--c-line);color:var(--c-text-2);font-size:14px;font-weight:600;white-space:nowrap;transition:.2s ease;
}
.seg-chip:hover{border-color:var(--c-primary);color:var(--c-primary)}
.seg-chip.is-active{background:var(--c-primary);border-color:var(--c-primary);color:#fff}
.seg-chip i{font-size:12px;opacity:.85}

/* ---------- 通用板块 ---------- */
.section{padding:72px 0}
.section.alt{background:var(--c-bg-alt)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px}
.section-head h2{font-size:clamp(24px,3vw,34px);font-weight:700;color:var(--c-primary)}
.section-head .lead-sub{margin-top:10px;font-size:15px;color:var(--c-text-2);max-width:620px}
.more-link{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:700;color:var(--c-primary-600);white-space:nowrap}
.more-link i{transition:transform .2s ease}
.more-link:hover i{transform:translateX(4px)}

/* ---------- 卡片 ---------- */
.card-item{
  display:flex;flex-direction:column;height:100%;background:var(--c-surface);
  border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-1);
  overflow:hidden;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.card-item:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(15,63,56,.3)}
.card-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--c-bg-alt)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.card-item:hover .card-media img{transform:scale(1.03)}
.card-media .media-badge{
  position:absolute;left:12px;top:12px;background:rgba(11,42,37,.82);color:#F6F2EA;
  font-size:12px;font-weight:700;padding:4px 10px;border-radius:6px;backdrop-filter:blur(2px);
}
.card-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1 1 auto}
.card-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:12px}
.tag{
  display:inline-block;font-size:12px;font-weight:700;padding:3px 10px;border-radius:6px;
  background:rgba(15,63,56,.08);color:var(--c-primary-600);
}
.tag.mint{background:rgba(61,191,160,.16);color:#1F7C67}
.tag.accent{background:rgba(228,99,58,.12);color:#B4431F}
.card-body h3{font-size:19px;font-weight:600;line-height:1.45;color:var(--c-text);margin-bottom:10px}
.card-item:hover .card-body h3{color:var(--c-primary-600)}
.card-body p{font-size:14px;line-height:1.75;color:var(--c-text-2);flex:1 1 auto}
.card-meta{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin-top:18px;padding-top:14px;border-top:1px solid var(--c-line);font-size:13px;color:var(--c-text-2);
}
.card-meta .go{display:inline-flex;align-items:center;gap:6px;font-weight:700;color:var(--c-primary-600)}
.card-meta .go i{transition:transform .2s ease}
.card-item:hover .card-meta .go i{transform:translateX(4px)}

/* ---------- 奖励构成数据区 ---------- */
.reward-grid{display:grid;grid-template-columns:1.25fr 1fr;gap:24px}
.panel{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:28px;box-shadow:var(--sh-1);
}
.panel h3{font-size:20px;color:var(--c-primary);margin-bottom:14px}
.panel p{font-size:15px;color:var(--c-text-2)}
.stat-row{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--c-line);border-radius:12px;overflow:hidden;margin-top:22px}
.stat-cell{background:var(--c-surface);padding:18px 16px;text-align:center}
.stat-cell strong{display:block;font-size:24px;font-weight:800;color:var(--c-primary);letter-spacing:0}
.stat-cell span{font-size:13px;color:var(--c-text-2)}
.check-list{margin-top:18px;display:grid;gap:12px}
.check-list li{display:flex;gap:12px;font-size:14px;color:var(--c-text-2);align-items:flex-start}
.check-list i{color:var(--c-mint);margin-top:5px}

/* ---------- 进度轨迹 ---------- */
.track{position:relative;margin-top:28px;padding-left:26px}
.track::before{content:"";position:absolute;left:7px;top:8px;bottom:8px;width:2px;background:var(--c-line)}
.track-item{position:relative;padding-bottom:26px}
.track-item:last-child{padding-bottom:0}
.track-dot{
  position:absolute;left:-26px;top:4px;width:16px;height:16px;border-radius:50%;
  background:var(--c-surface);border:2px solid var(--c-line);
}
.track-item.done .track-dot{background:var(--c-mint);border-color:var(--c-mint)}
.track-item.doing .track-dot{border-color:var(--c-accent);box-shadow:0 0 0 4px rgba(228,99,58,.16)}
.track-item h4{font-size:16px;font-weight:700;color:var(--c-text);margin-bottom:4px}
.track-item span{font-size:13px;color:var(--c-text-2)}
.progress-shell{margin-top:8px}
.progress-brand{height:10px;background:var(--c-bg-alt);border-radius:999px;overflow:hidden}
.progress-brand .bar{
  height:100%;width:64%;border-radius:999px;
  background:linear-gradient(90deg,var(--c-primary-600) 0%,var(--c-mint) 100%);
}
.progress-labels{display:flex;justify-content:space-between;font-size:13px;color:var(--c-text-2);margin-top:10px}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:880px;margin:0 auto}
.accordion-item{border:0;border-bottom:1px solid var(--c-line);background:transparent}
.accordion-button{
  background:transparent;color:var(--c-text);font-weight:600;font-size:17px;
  padding:20px 4px;box-shadow:none;gap:14px;
}
.accordion-button:not(.collapsed){color:var(--c-primary);background:transparent;box-shadow:none}
.accordion-button:focus{box-shadow:none;outline:3px solid rgba(228,99,58,.25);outline-offset:-2px}
.accordion-button::after{display:none}
.faq-plus{
  width:26px;height:26px;flex:0 0 auto;border-radius:50%;border:1px solid var(--c-line);
  display:grid;place-items:center;color:var(--c-primary);font-size:15px;line-height:1;
  transition:transform .25s ease,background .25s ease,color .25s ease;
}
.accordion-button:not(.collapsed) .faq-plus{transform:rotate(45deg);background:var(--c-accent);border-color:var(--c-accent);color:#fff}
.accordion-body{padding:0 4px 22px 40px;font-size:15px;color:var(--c-text-2);background:transparent}

/* ---------- 相关分类 ---------- */
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.rel-card{
  display:flex;align-items:center;gap:16px;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:14px;padding:20px;box-shadow:var(--sh-1);transition:.2s ease;
}
.rel-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(15,63,56,.3)}
.rel-icon{
  width:46px;height:46px;flex:0 0 auto;border-radius:12px;display:grid;place-items:center;
  background:rgba(15,63,56,.08);color:var(--c-primary);font-size:18px;
}
.rel-card h4{font-size:16px;font-weight:700;color:var(--c-text);margin-bottom:4px}
.rel-card span{font-size:13px;color:var(--c-text-2)}

/* ---------- 分页 ---------- */
.pager{display:flex;justify-content:center;align-items:center;gap:10px;margin-top:40px;flex-wrap:wrap}
.pager a,.pager span{
  min-width:40px;height:40px;border-radius:999px;display:inline-flex;align-items:center;justify-content:center;
  padding:0 14px;font-size:14px;font-weight:700;border:1px solid var(--c-line);
  color:var(--c-text-2);background:var(--c-surface);transition:.2s ease;
}
.pager a:hover{background:rgba(15,63,56,.08);color:var(--c-primary);border-color:rgba(15,63,56,.3)}
.pager .current{background:var(--c-primary);border-color:var(--c-primary);color:#fff}
.pager .disabled{opacity:.45;cursor:not-allowed}

/* ---------- 底部 CTA ---------- */
.cta-band{background:var(--c-dark);color:#F6F2EA;padding:64px 0}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-inner h2{font-size:clamp(22px,2.6vw,30px);color:#fff;font-weight:700}
.cta-inner p{margin-top:10px;font-size:15px;color:rgba(246,242,234,.78);max-width:620px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-dark);color:rgba(246,242,234,.8);padding:56px 0 0;font-size:14px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px;padding-bottom:40px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:16px;margin-bottom:14px}
.footer-brand .brand-mark{background:linear-gradient(135deg,#1B6B5C 0%,#3DBFA0 100%)}
.footer-col p{color:rgba(246,242,234,.72);line-height:1.8;font-size:14px;max-width:340px}
.footer-col h4{font-size:14px;font-weight:700;color:#F6F2EA;margin-bottom:16px;letter-spacing:.02em}
.footer-col ul{display:grid;gap:10px}
.footer-col a{color:rgba(246,242,234,.8);font-size:14px;transition:.2s ease}
.footer-col a:hover{color:var(--c-mint);text-decoration:underline;text-underline-offset:3px}
.footer-bottom{border-top:1px solid rgba(246,242,234,.14);padding:20px 0 26px}
.footer-bottom .row-line{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(246,242,234,.6)}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .reward-grid{grid-template-columns:1fr}
  .related-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:991.98px){
  .nav-chips{display:none}
  .nav-toggle{display:inline-flex}
  .header-inner{height:60px;gap:12px}
  .brand-text{font-size:15px}
  .section{padding:56px 0}
  .cat-kv-inner{padding:44px 0 40px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .header-actions .btn-brand{display:none}
}
@media (max-width:767.98px){
  .topbar-right{display:none}
  .related-grid{grid-template-columns:1fr}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .stat-row{grid-template-columns:1fr;}
  .mobile-nav ul{grid-template-columns:1fr}
}
@media (max-width:575.98px){
  .container{padding:0 16px}
  body{font-size:15px}
  .cat-kv h1{font-size:26px}
  .card-body{padding:18px}
  .panel{padding:20px}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .footer-bottom .row-line{flex-direction:column;gap:8px}
}

/* roulang page: category4 */
:root{
  --c-primary:#0F3F38;
  --c-primary-600:#1B6B5C;
  --c-accent:#E4633A;
  --c-mint:#3DBFA0;
  --c-bg:#F6F2EA;
  --c-bg-alt:#EFE9DE;
  --c-surface:#FFFFFF;
  --c-dark:#0B2A25;
  --c-text:#1C2B27;
  --c-text-2:#5A6B66;
  --c-line:#E3DCD0;
  --c-warn:#C7742B;
  --c-info:#2E7D74;
  --r-card:16px;
  --r-btn:10px;
  --r-chip:999px;
  --r-img:14px;
  --sh-1:0 1px 2px rgba(12,38,34,.06);
  --sh-2:0 8px 24px rgba(12,38,34,.08);
  --sh-3:0 18px 48px rgba(12,38,34,.14);
  --bs-primary:#0F3F38;
  --bs-body-color:#1C2B27;
  --bs-border-color:#E3DCD0;
  --bs-border-radius:16px;
  --bs-link-color:#1B6B5C;
  --bs-link-hover-color:#0F3F38;
  --bs-font-sans-serif:system-ui,-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%}
body{
  margin:0;
  font-family:var(--bs-font-sans-serif);
  font-size:16px;
  line-height:1.85;
  color:var(--c-text);
  background:var(--c-bg);
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;height:auto;display:block}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding-left:0;list-style:none}
a{color:var(--c-primary-600);text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease}
a:hover{color:var(--c-primary);text-decoration:underline;text-underline-offset:3px}
a:focus-visible,button:focus-visible,.nav-chip:focus-visible{
  outline:3px solid rgba(228,99,58,.35);
  outline-offset:2px;
  border-radius:8px;
}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}
@media (min-width:1400px){.container{max-width:1280px}}

/* ============ 顶部信息条 ============ */
.topbar{
  height:36px;
  background:var(--c-dark);
  color:rgba(246,242,234,.82);
  font-size:13px;
  display:flex;
  align-items:center;
}
.topbar .container{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
}
.topbar-note{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar-chips{display:flex;gap:8px}
.topbar-chips a{
  color:rgba(246,242,234,.86);
  font-size:12px;
  padding:2px 10px;
  border:1px solid rgba(246,242,234,.22);
  border-radius:var(--r-chip);
}
.topbar-chips a:hover{
  color:var(--c-dark);
  background:var(--c-mint);
  border-color:var(--c-mint);
  text-decoration:none;
}
@media (max-width:767px){.topbar-chips{display:none}}

/* ============ 页头与导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:rgba(246,242,234,.98);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .25s ease,background-color .25s ease;
}
.site-header.is-scrolled{
  box-shadow:var(--sh-1);
  background:rgba(246,242,234,.96);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:24px;
  min-height:72px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
  color:var(--c-primary);
}
.brand:hover{text-decoration:none;color:var(--c-primary)}
.brand-mark{
  width:36px;height:36px;
  display:grid;place-items:center;
  border-radius:10px;
  background:linear-gradient(140deg,var(--c-primary) 0%,var(--c-primary-600) 100%);
  color:#F6F2EA;
  font-weight:800;
  font-size:18px;
  letter-spacing:.02em;
}
.brand-text{
  font-size:17px;
  font-weight:800;
  letter-spacing:.01em;
  white-space:nowrap;
}
.nav-chips{
  display:flex;
  align-items:center;
  gap:8px;
  flex:1 1 auto;
  overflow-x:auto;
  scrollbar-width:none;
}
.nav-chips::-webkit-scrollbar{display:none}
.nav-chip{
  flex:0 0 auto;
  height:36px;
  display:inline-flex;
  align-items:center;
  padding:0 16px;
  border-radius:var(--r-chip);
  border:1px solid var(--c-line);
  background:transparent;
  color:var(--c-text-2);
  font-size:14px;
  font-weight:600;
  transition:all .2s ease;
}
.nav-chip:hover{
  color:var(--c-primary);
  border-color:var(--c-primary);
  text-decoration:none;
  background:rgba(27,107,92,.06);
}
.nav-chip.is-active{
  background:var(--c-primary);
  border-color:var(--c-primary);
  color:#F6F2EA;
}
.header-actions{display:flex;align-items:center;gap:12px}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  font-family:inherit;
  font-weight:700;
  font-size:15px;
  line-height:1;
  padding:12px 26px;
  border-radius:var(--r-btn);
  border:1.5px solid transparent;
  cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary-c{background:var(--c-accent);color:#fff;box-shadow:var(--sh-1)}
.btn-primary-c:hover{
  background:#d9582f;
  color:#fff;
  transform:translateY(-2px);
  box-shadow:var(--sh-2);
  text-decoration:none;
}
.btn-primary-c:active{transform:translateY(0)}
.btn-ghost{
  background:transparent;
  border-color:var(--c-primary);
  color:var(--c-primary);
}
.btn-ghost:hover{
  background:rgba(27,107,92,.08);
  color:var(--c-primary);
  text-decoration:none;
}
.btn-light-c{background:#F6F2EA;color:var(--c-dark)}
.btn-light-c:hover{background:#fff;color:var(--c-dark);transform:translateY(-2px);text-decoration:none}
.btn.is-disabled,.btn:disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}
.nav-toggle{
  display:none;
  width:42px;height:42px;
  border-radius:10px;
  border:1px solid var(--c-line);
  background:var(--c-surface);
  padding:0;
  place-items:center;
}
.nav-toggle span{
  display:block;
  width:18px;height:2px;
  background:var(--c-primary);
  position:relative;
}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--c-primary);
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.nav-drawer{
  display:none;
  border-top:1px solid var(--c-line);
  background:var(--c-bg);
  padding:16px 24px 24px;
}
.nav-drawer.is-open{display:block}
.nav-drawer .nav-chip{
  width:100%;
  justify-content:center;
  margin-bottom:10px;
  height:42px;
}
.nav-drawer .btn{width:100%;margin-top:6px}
@media (max-width:991px){
  .nav-chips{display:none}
  .header-actions .btn-primary-c{display:none}
  .nav-toggle{display:grid}
  .header-inner{min-height:60px;gap:12px}
  .brand-text{font-size:15px}
}

/* ============ 小 KV ============ */
.page-hero{
  position:relative;
  min-height:264px;
  display:flex;
  align-items:center;
  padding:56px 0;
  overflow:hidden;
  background-image:
    linear-gradient(120deg,rgba(15,63,56,.94) 0%,rgba(15,63,56,.72) 55%,rgba(15,63,56,.52) 100%),
    radial-gradient(circle at 78% 30%,rgba(61,191,160,.22),transparent 60%),
    url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
}
.page-hero::after{
  content:"";
  position:absolute;inset:0;
  background-image:repeating-linear-gradient(135deg,rgba(255,255,255,.05) 0 1px,transparent 1px 16px);
  opacity:.5;
  pointer-events:none;
}
.page-hero .container{position:relative;z-index:2}
.page-hero .eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:700;
  letter-spacing:.06em;
  color:var(--c-mint);
  background:rgba(61,191,160,.14);
  border:1px solid rgba(61,191,160,.35);
  border-radius:var(--r-chip);
  padding:5px 14px;
  margin-bottom:18px;
}
.page-hero h1{
  font-size:clamp(30px,4.4vw,46px);
  line-height:1.25;
  font-weight:800;
  color:#F6F2EA;
  margin-bottom:16px;
}
.page-hero p{
  max-width:660px;
  font-size:16px;
  line-height:1.85;
  color:rgba(246,242,234,.85);
}

/* ============ 分段 chip 控件 ============ */
.tab-strip{
  background:var(--c-surface);
  border-bottom:1px solid var(--c-line);
  padding:18px 0;
}
.tab-strip .container{
  display:flex;
  align-items:center;
  gap:12px;
  flex-wrap:wrap;
}
.tab-strip .tab-label{
  font-size:13px;
  font-weight:700;
  color:var(--c-text-2);
  letter-spacing:.04em;
  margin-right:4px;
}
.tab-chip{
  height:38px;
  display:inline-flex;
  align-items:center;
  padding:0 18px;
  border-radius:var(--r-chip);
  border:1px solid var(--c-line);
  font-size:14px;
  font-weight:600;
  color:var(--c-text-2);
  background:var(--c-bg);
}
.tab-chip:hover{
  border-color:var(--c-primary);
  color:var(--c-primary);
  text-decoration:none;
}
.tab-chip.is-active{
  background:var(--c-accent);
  border-color:var(--c-accent);
  color:#fff;
}
@media (max-width:575px){
  .tab-strip .container{flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none}
  .tab-strip .container::-webkit-scrollbar{display:none}
  .tab-strip .tab-label{display:none}
  .tab-chip{flex:0 0 auto}
}

/* ============ 板块通用 ============ */
.section{padding:88px 0}
.section-alt{background:var(--c-bg-alt)}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:40px;
}
.section-head h2{
  font-size:clamp(24px,3vw,34px);
  line-height:1.35;
  font-weight:700;
  color:var(--c-primary);
}
.section-head .sub{
  margin-top:10px;
  font-size:15px;
  color:var(--c-text-2);
  max-width:700px;
}
.section-head .more{
  flex:0 0 auto;
  font-size:14px;
  font-weight:700;
  color:var(--c-primary-600);
  display:inline-flex;
  align-items:center;
  gap:6px;
}
.section-head .more .arw{transition:transform .2s ease}
.section-head .more:hover .arw{transform:translateX(4px)}
@media (max-width:767px){
  .section{padding:56px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:28px}
}

/* ============ 处理路径（步骤条） ============ */
.steps{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:0;
  border-top:1px dashed var(--c-line);
  padding-top:36px;
}
.step{
  position:relative;
  padding:0 28px 0 0;
}
.step + .step{padding-left:28px;border-left:1px dashed var(--c-line)}
.step-no{
  font-size:40px;
  font-weight:800;
  line-height:1;
  color:rgba(15,63,56,.13);
  margin-bottom:10px;
  font-variant-numeric:tabular-nums;
}
.step h3{
  font-size:19px;
  font-weight:600;
  color:var(--c-primary);
  margin-bottom:8px;
}
.step p{font-size:14px;color:var(--c-text-2);line-height:1.75}
@media (max-width:991px){
  .steps{grid-template-columns:repeat(2,1fr);gap:32px 0;border-top:0;padding-top:0}
  .step{padding:0 20px 0 0}
  .step + .step{padding-left:20px}
  .step:nth-child(odd){padding-left:0;border-left:0}
  .step:nth-child(even){border-left:1px dashed var(--c-line)}
}
@media (max-width:575px){
  .steps{grid-template-columns:1fr;gap:28px}
  .step,.step + .step{padding:0;border-left:0;border-top:1px dashed var(--c-line);padding-top:20px}
  .step:first-child{border-top:0;padding-top:0}
}

/* ============ 卡片网格 ============ */
.card-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.q-card{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  overflow:hidden;
  display:flex;
  flex-direction:column;
  box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.q-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--sh-2);
  border-color:rgba(15,63,56,.3);
}
.q-card:hover .q-card-title{color:var(--c-primary-600)}
.q-thumb{
  position:relative;
  aspect-ratio:16/9;
  overflow:hidden;
  background:var(--c-bg-alt);
}
.q-thumb img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .3s ease;
}
.q-card:hover .q-thumb img{transform:scale(1.03)}
.q-badge{
  position:absolute;
  left:12px;top:12px;
  font-size:12px;
  font-weight:700;
  padding:4px 10px;
  border-radius:6px;
  background:rgba(15,63,56,.86);
  color:#F6F2EA;
  backdrop-filter:blur(2px);
}
.q-card-body{
  padding:20px 22px 22px;
  display:flex;
  flex-direction:column;
  gap:12px;
  flex:1 1 auto;
}
.q-card-title{
  font-size:18px;
  font-weight:600;
  line-height:1.5;
  color:var(--c-text);
  transition:color .2s ease;
}
.q-card-text{
  font-size:14px;
  line-height:1.8;
  color:var(--c-text-2);
}
.q-card-meta{
  margin-top:auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding-top:14px;
  border-top:1px solid var(--c-line);
  font-size:13px;
  color:var(--c-text-2);
}
.q-card-meta .link{
  font-weight:700;
  color:var(--c-primary-600);
  display:inline-flex;
  align-items:center;
  gap:5px;
}
.q-card-meta .link .arw{transition:transform .2s ease}
.q-card:hover .q-card-meta .link .arw{transform:translateX(4px)}
@media (max-width:991px){.card-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:575px){.card-grid{grid-template-columns:1fr}}

/* ============ 背景说明块 ============ */
.split{
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:48px;
  align-items:center;
}
.split-media{
  border-radius:var(--r-card);
  overflow:hidden;
  border:1px solid var(--c-line);
  box-shadow:var(--sh-2);
  aspect-ratio:4/3;
  background:var(--c-bg-alt);
}
.split-media img{width:100%;height:100%;object-fit:cover}
.split h2{
  font-size:clamp(24px,3vw,32px);
  font-weight:700;
  line-height:1.35;
  color:var(--c-primary);
  margin-bottom:16px;
}
.split p{color:var(--c-text-2);margin-bottom:16px}
.check-list{display:grid;gap:12px;margin-top:24px}
.check-list li{
  display:flex;
  gap:12px;
  align-items:flex-start;
  font-size:15px;
  color:var(--c-text);
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:12px;
  padding:14px 16px;
}
.check-list .dot{
  flex:0 0 auto;
  width:20px;height:20px;
  margin-top:3px;
  border-radius:50%;
  background:rgba(61,191,160,.18);
  color:var(--c-primary-600);
  display:grid;place-items:center;
  font-size:12px;
  font-weight:800;
}
@media (max-width:991px){.split{grid-template-columns:1fr;gap:28px}}

/* ============ 相关分类 ============ */
.related-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
}
.related-card{
  display:block;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:14px;
  padding:22px 20px;
  box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.related-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--sh-2);
  border-color:rgba(15,63,56,.3);
  text-decoration:none;
}
.related-card h3{
  font-size:17px;
  font-weight:600;
  color:var(--c-primary);
  margin-bottom:8px;
}
.related-card p{font-size:13px;color:var(--c-text-2);line-height:1.7}
@media (max-width:991px){.related-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:575px){.related-grid{grid-template-columns:1fr}}

/* ============ 分页 ============ */
.pager{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  margin-top:44px;
}
.pager a,.pager span{
  min-width:42px;height:42px;
  display:grid;place-items:center;
  border-radius:999px;
  border:1px solid var(--c-line);
  background:var(--c-surface);
  font-size:14px;
  font-weight:700;
  color:var(--c-text-2);
  padding:0 12px;
}
.pager a:hover{
  background:rgba(27,107,92,.08);
  color:var(--c-primary);
  border-color:var(--c-primary);
  text-decoration:none;
}
.pager .is-current{
  background:var(--c-primary);
  border-color:var(--c-primary);
  color:#F6F2EA;
}
.pager .is-disabled{opacity:.45;cursor:not-allowed}

/* ============ FAQ ============ */
.faq-wrap{max-width:920px;margin:0 auto}
.accordion-item{
  border:0;
  border-bottom:1px solid var(--c-line);
  background:transparent;
}
.accordion-button{
  width:100%;
  text-align:left;
  background:transparent;
  border:0;
  padding:22px 0;
  font-size:17px;
  font-weight:600;
  color:var(--c-text);
  display:flex;
  align-items:center;
  gap:14px;
  box-shadow:none!important;
}
.accordion-button:not(.collapsed){color:var(--c-primary)}
.accordion-button::after{
  content:"+";
  margin-left:auto;
  font-size:22px;
  font-weight:400;
  color:var(--c-accent);
  line-height:1;
  transition:transform .25s ease;
  background-image:none!important;
  width:auto;height:auto;
}
.accordion-button:not(.collapsed)::after{transform:rotate(45deg)}
.acc-index{
  flex:0 0 auto;
  width:28px;height:28px;
  border-radius:50%;
  background:rgba(15,63,56,.08);
  color:var(--c-primary);
  display:grid;place-items:center;
  font-size:13px;
  font-weight:800;
}
.accordion-body{
  background:var(--c-bg);
  border-radius:12px;
  padding:20px;
  margin:0 0 18px;
  font-size:15px;
  line-height:1.85;
  color:var(--c-text-2);
}

/* ============ CTA 带 ============ */
.cta-band{
  background:var(--c-dark);
  color:#F6F2EA;
  padding:64px 0;
  border-top:1px solid rgba(246,242,234,.12);
}
.cta-band .container{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
}
.cta-band h2{
  font-size:clamp(22px,2.6vw,30px);
  font-weight:700;
  line-height:1.4;
  margin-bottom:10px;
}
.cta-band p{font-size:15px;color:rgba(246,242,234,.75);max-width:620px}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--c-dark);
  color:#F6F2EA;
  padding:64px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1fr;
  gap:32px;
  padding-bottom:40px;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:16px;
  font-weight:800;
  margin-bottom:14px;
}
.footer-brand .brand-mark{
  width:32px;height:32px;
  font-size:16px;
  background:linear-gradient(140deg,#1B6B5C,#3DBFA0);
  color:#0B2A25;
}
.footer-col p{
  font-size:14px;
  line-height:1.8;
  color:rgba(246,242,234,.72);
}
.footer-col h4{
  font-size:14px;
  font-weight:700;
  color:#F6F2EA;
  margin-bottom:16px;
}
.footer-col ul{display:grid;gap:10px}
.footer-col ul a{
  font-size:14px;
  color:rgba(246,242,234,.8);
}
.footer-col ul a:hover{
  color:var(--c-mint);
  text-decoration:underline;
}
.footer-bottom{
  border-top:1px solid rgba(246,242,234,.14);
  padding:20px 0 28px;
}
.footer-bottom .row-line{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:rgba(246,242,234,.62);
}
@media (max-width:991px){
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:575px){
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .container{padding:0 16px}
}