/* roulang page: index */
:root{
  --ink:#0E0F10;
  --graphite:#1A1C1E;
  --lime:#D8F34A;
  --ember:#FF6A2B;
  --paper:#F7F6F2;
  --white:#FFFFFF;
  --muted:#6B7076;
  --line:#E6E4DE;
  --dark-line:rgba(255,255,255,.12);
  --ok:#2FBF71;
  --warn:#F2B134;
  --err:#E5484D;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:18px;
  --r-xl:22px;
  --sh-1:0 1px 2px rgba(14,15,16,.06);
  --sh-2:0 18px 40px -20px rgba(14,15,16,.28);
  --sans:"HarmonyOS Sans SC","PingFang SC","Noto Sans SC",system-ui,-apple-system,"Microsoft YaHei",sans-serif;
  --mono:"DIN Alternate","Roboto Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease)}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--lime);outline-offset:2px}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
input{font:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums;letter-spacing:.02em}

.wrap{max-width:1240px;margin:0 auto;padding:0 20px}
@media (min-width:1024px){.wrap{padding:0 32px}}

.section{padding:64px 0}
@media (min-width:1024px){.section{padding:104px 0}}
.section-dark{background:var(--ink);color:#fff}
.section-head{margin-bottom:32px;display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px}
@media (min-width:1024px){.section-head{margin-bottom:44px}}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;
  color:var(--muted);margin-bottom:12px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--lime);display:block}
.h1{font-size:clamp(30px,4.8vw,58px);line-height:1.14;letter-spacing:-.02em;font-weight:700}
.h2{font-size:clamp(22px,2.6vw,34px);line-height:1.25;letter-spacing:-.01em;font-weight:650;margin:0}
.h3{font-size:19px;line-height:1.4;font-weight:600;letter-spacing:-.005em}
.lead{color:var(--muted);font-size:16px;line-height:1.8}
.section-dark .lead{color:rgba(255,255,255,.66)}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:12px;
  font-size:15px;font-weight:600;white-space:nowrap;
  transition:transform .2s var(--ease),background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.btn-lg{height:52px;padding:0 28px;font-size:16px}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:var(--graphite);transform:translateY(-1px);box-shadow:var(--sh-1)}
.btn-dark:active{transform:translateY(1px)}
.btn-lime{background:var(--lime);color:var(--ink)}
.btn-lime:hover{filter:brightness(1.06);transform:translateY(-1px)}
.btn-lime:active{transform:translateY(1px)}
.btn-ghost{background:transparent;border:1px solid var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--ink);color:var(--ink)}
.btn-ghost-dark{background:transparent;border:1px solid var(--dark-line);color:#fff}
.btn-ghost-dark:hover{border-color:var(--lime);color:var(--lime)}
.btn-text{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--ink);position:relative}
.btn-text::after{
  content:"";position:absolute;left:0;bottom:-3px;height:1px;width:100%;
  background:currentColor;transform:scaleX(0);transform-origin:left;transition:transform .22s var(--ease);
}
.btn-text:hover::after{transform:scaleX(1)}
.btn-text .arrow{transition:transform .22s var(--ease)}
.btn-text:hover .arrow{transform:translateX(3px)}
.btn-text-lime{color:var(--lime)}
.btn-text-lime:hover{color:#fff}

/* 标签 */
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  background:rgba(14,15,16,.06);color:var(--ink);
  font-size:12.5px;font-weight:600;letter-spacing:.02em;
}
.tag-lime{background:var(--lime);color:var(--ink)}
.tag-ember{background:var(--ember);color:#fff}

/* 头部 */
.site-header{position:sticky;top:0;z-index:60;background:rgba(247,246,242,.92);backdrop-filter:blur(10px);border-bottom:1px solid transparent;transition:border-color .25s var(--ease),box-shadow .25s var(--ease)}
.site-header.is-stuck{border-bottom-color:var(--line);box-shadow:0 1px 0 rgba(14,15,16,.02)}
.header-brand-row{transition:padding .25s var(--ease)}
.brand-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:16px 20px}
@media (min-width:1024px){.brand-inner{padding:22px 32px}}
.is-stuck .brand-inner{padding-top:10px;padding-bottom:10px}
.brand{display:inline-flex;align-items:center;gap:10px;min-width:0}
.brand-mark{
  width:38px;height:38px;flex:0 0 38px;border-radius:10px;background:var(--ink);color:var(--lime);
  display:grid;place-items:center;font-family:var(--mono);font-size:13px;font-weight:700;letter-spacing:.04em;
}
.brand-text{font-size:17px;font-weight:700;letter-spacing:-.01em;white-space:nowrap}
.brand-badge{
  display:none;align-items:center;height:22px;padding:0 9px;border-radius:999px;
  background:var(--orange-soft,#FFE9DF);color:#B23C0C;font-size:11.5px;font-weight:700;letter-spacing:.02em;
}
@media (min-width:768px){.brand-badge{display:inline-flex}}
.brand-actions{display:flex;align-items:center;gap:10px}
.search-box{display:none;align-items:center;gap:6px;height:42px;padding:0 6px 0 14px;border:1px solid var(--line);border-radius:12px;background:#fff}
@media (min-width:1024px){.search-box{display:inline-flex;width:230px}}
.search-box input{border:0;background:transparent;font-size:14px;flex:1;min-width:0;outline:none;color:var(--ink)}
.search-box input::placeholder{color:#9AA0A6}
.search-box button{height:32px;padding:0 12px;border-radius:9px;background:var(--ink);color:#fff;font-size:13px;font-weight:600;transition:background-color .2s var(--ease)}
.search-box button:hover{background:var(--graphite)}
.brand-actions .btn-dark{display:none}
@media (min-width:768px){.brand-actions .btn-dark{display:inline-flex}}
.nav-toggle{display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);background:#fff}
@media (min-width:1024px){.nav-toggle{display:none}}
.nav-toggle span{display:block;width:16px;height:2px;background:var(--ink);position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:16px;height:2px;background:var(--ink)}
.nav-toggle span::before{top:-5px}
.nav-toggle span::after{top:5px}

.header-channel-row{border-top:1px solid var(--line)}
.channel-inner{display:flex;align-items:center;gap:8px;overflow-x:auto;padding:0 20px;scrollbar-width:none}
.channel-inner::-webkit-scrollbar{display:none}
@media (min-width:1024px){.channel-inner{padding:0 32px}}
.channel-nav{display:flex;align-items:center;gap:26px;height:50px;white-space:nowrap}
.channel-link{position:relative;font-size:15px;font-weight:600;color:var(--muted);padding:14px 0;transition:color .2s var(--ease)}
.channel-link::after{content:"";position:absolute;left:0;right:0;bottom:8px;height:2px;background:var(--lime);transform:scaleX(0);transform-origin:left;transition:transform .2s var(--ease)}
.channel-link:hover{color:var(--ink)}
.channel-link.is-active{color:var(--ink)}
.channel-link.is-active::after{transform:scaleX(1)}
.mobile-drawer{display:none;border-top:1px solid var(--line);background:#fff}
.mobile-drawer.open{display:block}
@media (min-width:1024px){.mobile-drawer{display:none!important}}
.mobile-drawer ul{padding:8px 20px 18px}
.mobile-drawer a{display:block;padding:12px 0;font-size:16px;font-weight:600;border-bottom:1px solid var(--line)}
.mobile-drawer a.is-active{color:#000}
.mobile-drawer a.is-active::before{content:"●";color:var(--lime);margin-right:8px;font-size:10px;vertical-align:middle}

/* Hero */
.hero{padding:40px 0 56px}
@media (min-width:1024px){.hero{padding:56px 0 96px}}
.hero-grid{display:grid;grid-template-columns:1fr;gap:32px}
@media (min-width:1024px){.hero-grid{grid-template-columns:6fr 5fr;gap:48px;align-items:start}}
.hero-cover{position:relative;border-radius:var(--r-xl);overflow:hidden;aspect-ratio:16/9;background:var(--graphite);box-shadow:var(--sh-2)}
.hero-cover img{width:100%;height:100%;object-fit:cover}
.hero-cover::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(14,15,16,.30) 0%,rgba(14,15,16,.05) 42%,rgba(14,15,16,.72) 100%)}
.cover-badge{position:absolute;left:16px;top:16px;z-index:2;display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:999px;background:var(--ember);color:#fff;font-size:12.5px;font-weight:700;letter-spacing:.04em}
.cover-time{position:absolute;right:16px;bottom:16px;z-index:2;color:#fff;font-family:var(--mono);font-size:14px;font-weight:600;letter-spacing:.02em}
.cover-caption{position:absolute;left:16px;bottom:16px;z-index:2;color:rgba(255,255,255,.86);font-size:13px;max-width:60%}
.hero-info>*+*{margin-top:20px}
.hero-sub{font-size:17px;line-height:1.7;color:var(--muted);max-width:52ch}
.countdown{display:grid;grid-template-columns:repeat(4,1fr);background:var(--ink);border-radius:var(--r-lg);overflow:hidden;border:1px solid rgba(255,255,255,.08)}
.cd-cell{padding:16px 10px;text-align:center;border-right:1px solid var(--dark-line)}
.cd-cell:last-child{border-right:0}
.cd-num{font-family:var(--mono);font-size:clamp(24px,3.4vw,36px);font-weight:700;color:var(--lime);line-height:1;font-variant-numeric:tabular-nums;display:block}
.cd-num.tick{animation:tick 1s ease-out}
@keyframes tick{0%{opacity:.45}35%{opacity:1}100%{opacity:1}}
.cd-label{display:block;margin-top:8px;font-size:12px;letter-spacing:.14em;color:rgba(255,255,255,.5)}
.highlight-list{border-top:1px solid var(--line)}
.hl-item{display:grid;grid-template-columns:auto 1fr;gap:14px;padding:16px 0;border-bottom:1px solid var(--line)}
.hl-num{font-family:var(--mono);font-size:14px;font-weight:700;color:var(--ink);background:var(--lime);border-radius:8px;width:28px;height:28px;display:grid;place-items:center}
.hl-title{font-size:16px;font-weight:600;line-height:1.45}
.hl-desc{font-size:14px;color:var(--muted);line-height:1.6;margin-top:3px}
.subscribe-form{display:flex;flex-direction:column;gap:10px}
@media (min-width:520px){.subscribe-form{flex-direction:row}}
.subscribe-form input{
  flex:1;height:46px;padding:0 16px;border-radius:12px;border:1px solid var(--line);background:#fff;color:var(--ink);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.subscribe-form input::placeholder{color:#9AA0A6}
.subscribe-form input:focus{outline:none;border-color:var(--lime);box-shadow:0 0 0 4px rgba(216,243,74,.35)}
.form-note{font-size:13px;color:var(--muted);line-height:1.6}
.form-note.ok{color:var(--ok)}
.form-note.err{color:var(--err)}
.hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:18px}

/* 通用网格 */
.grid-3{display:grid;grid-template-columns:1fr;gap:20px}
@media (min-width:768px){.grid-3{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.grid-3{grid-template-columns:repeat(3,1fr);gap:24px}}

/* 流程步骤 */
.steps{display:grid;grid-template-columns:1fr;gap:20px;counter-reset:step}
@media (min-width:768px){.steps{grid-template-columns:repeat(3,1fr);gap:24px}}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:28px 24px;transition:transform .22s var(--ease),box-shadow .22s var(--ease)}
.step:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.step-num{font-family:var(--mono);font-size:34px;font-weight:700;color:var(--ink);line-height:1;letter-spacing:-.02em}
.step-num em{font-style:normal;color:var(--lime);-webkit-text-stroke:0}
.step h3{margin:16px 0 8px;font-size:19px;font-weight:600}
.step p{color:var(--muted);font-size:15px;line-height:1.75}

/* CMS 列表 */
.cms-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media (min-width:1024px){.cms-grid{grid-template-columns:7fr 5fr;gap:28px}}
.cms-lead{display:block;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);transition:transform .22s var(--ease),box-shadow .22s var(--ease)}
.cms-lead:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.cms-lead-cover{aspect-ratio:16/9;overflow:hidden;background:var(--graphite)}
.cms-lead-cover img{width:100%;height:100%;object-fit:cover;transition:transform .22s var(--ease)}
.cms-lead:hover .cms-lead-cover img{transform:scale(1.02)}
.cms-lead-body{padding:24px}
.cms-lead-body h3{margin:12px 0 10px;font-size:22px;line-height:1.35;font-weight:650}
.cms-lead-body p{color:var(--muted);font-size:15px;line-height:1.75}
.cms-rest{display:grid;grid-template-columns:1fr;gap:14px}
.cms-item{display:grid;grid-template-columns:96px 1fr;gap:14px;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:12px;transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease)}
.cms-item:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#DAD7CE}
.cms-item-cover{width:96px;height:72px;border-radius:10px;overflow:hidden;background:var(--graphite)}
.cms-item-cover img{width:100%;height:100%;object-fit:cover}
.cms-item-body h3{margin:8px 0 6px;font-size:16px;line-height:1.45;font-weight:600;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.cms-item-body p{color:var(--muted);font-size:13.5px;line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.meta{display:inline-flex;align-items:center;gap:10px;font-family:var(--mono);font-size:12.5px;color:var(--muted);margin-top:10px}
.cms-empty{
  background:#fff;border:1px dashed var(--line);border-radius:var(--r-lg);
  padding:56px 24px;text-align:center;
}
.cms-empty-icon{font-size:28px;color:var(--lime);margin-bottom:12px}
.cms-empty p{color:var(--muted);margin-bottom:18px}

/* 频道入口 */
.channel-cards{display:grid;grid-template-columns:1fr;gap:20px}
@media (min-width:768px){.channel-cards{grid-template-columns:repeat(2,1fr);gap:24px}}
.channel-card{
  position:relative;display:block;border-radius:var(--r-lg);overflow:hidden;
  min-height:230px;padding:28px 26px;color:#fff;background:var(--graphite);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.channel-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.channel-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.52}
.channel-card::after{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(14,15,16,.88) 8%,rgba(14,15,16,.42) 100%)}
.channel-card-inner{position:relative;z-index:2;max-width:34ch}
.channel-card h3{font-size:22px;font-weight:650;margin:14px 0 10px;color:#fff}
.channel-card p{color:rgba(255,255,255,.76);font-size:14.5px;line-height:1.7}
.channel-card .channel-link-arrow{display:inline-flex;align-items:center;gap:6px;margin-top:20px;color:var(--lime);font-weight:600;font-size:15px}

/* 数据条 */
.stats{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden}
@media (min-width:1024px){.stats{grid-template-columns:repeat(4,1fr)}}
.stat{background:#fff;padding:28px 22px}
.stat-num{font-family:var(--mono);font-size:clamp(26px,3.4vw,38px);font-weight:700;line-height:1;letter-spacing:-.02em}
.stat-num span{font-size:.5em;color:var(--muted);margin-left:4px}
.stat-label{margin-top:10px;font-size:14px;color:var(--muted)}
.stat-bar{height:4px;border-radius:999px;background:var(--line);margin-top:14px;overflow:hidden}
.stat-bar i{display:block;height:100%;background:var(--lime);border-radius:999px}

/* CTA 条 */
.cta-band{background:var(--ink);border-radius:var(--r-xl);padding:40px 26px;color:#fff}
@media (min-width:1024px){.cta-band{padding:56px 48px}}
.cta-inner{display:grid;grid-template-columns:1fr;gap:28px}
@media (min-width:1024px){.cta-inner{grid-template-columns:1fr 1fr;align-items:center;gap:48px}}
.cta-band h2{color:#fff}
.cta-band .lead{color:rgba(255,255,255,.66);margin-top:14px}
.cta-form{display:flex;flex-direction:column;gap:12px}
@media (min-width:520px){.cta-form{flex-direction:row}}
.cta-form input{
  flex:1;height:50px;padding:0 18px;border-radius:12px;border:1px solid var(--dark-line);
  background:rgba(255,255,255,.06);color:#fff;
}
.cta-form input::placeholder{color:rgba(255,255,255,.45)}
.cta-form input:focus{outline:none;border-color:var(--lime);box-shadow:0 0 0 4px rgba(216,243,74,.28)}
.cta-form .btn-lime{height:50px}

/* FAQ */
.faq{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 0;text-align:left;font-size:18px;font-weight:600;color:var(--ink);
  transition:color .2s var(--ease);
}
.faq-q:hover{color:var(--graphite)}
.faq-q i{
  flex:0 0 auto;width:26px;height:26px;border-radius:999px;border:1px solid var(--line);
  display:grid;place-items:center;transition:transform .24s var(--ease),background-color .24s var(--ease),border-color .24s var(--ease);
}
.faq-q i::before{content:"";width:8px;height:8px;border-right:2px solid var(--ink);border-bottom:2px solid var(--ink);transform:rotate(45deg) translate(-1px,-1px);display:block}
.faq-item.open .faq-q i{transform:rotate(180deg);background:var(--lime);border-color:var(--lime)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s var(--ease)}
.faq-a p{padding:0 0 22px;color:var(--muted);font-size:15px;line-height:1.85;max-width:78ch}

/* 页脚 */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:56px 0 28px;margin-top:0}
@media (min-width:1024px){.site-footer{padding:72px 0 32px}}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px}
@media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr);gap:32px}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px}}
.footer-brand{display:inline-flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:17px}
.footer-title{color:#fff;font-size:14px;font-weight:700;letter-spacing:.08em;margin-bottom:16px}
.footer-col p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.62);margin-top:14px;max-width:34ch}
.footer-link{display:block;font-size:14.5px;padding:6px 0;color:rgba(255,255,255,.72);transition:color .2s var(--ease),transform .2s var(--ease)}
.footer-link:hover{color:var(--lime);transform:translateX(3px)}
.footer-bottom{margin-top:44px;padding-top:22px;border-top:1px solid var(--dark-line);display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;font-size:13px;color:rgba(255,255,255,.5)}
.footer-bottom a:hover{color:var(--lime)}

@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;scroll-behavior:auto!important}
  .cms-lead:hover,.cms-item:hover,.step:hover,.channel-card:hover,.cms-lead:hover .cms-lead-cover img{transform:none!important}
}

/* roulang page: article */
:root{
  --ink:#0E0F10;
  --graphite:#1A1C1E;
  --lime:#D8F34A;
  --ember:#FF6A2B;
  --paper:#F7F6F2;
  --white:#FFFFFF;
  --muted:#6B7076;
  --line:#E6E4DE;
  --line-dark:rgba(255,255,255,.12);
  --r-s:8px;
  --r-c:16px;
  --r-l:22px;
  --sh-1:0 1px 2px rgba(14,15,16,.06);
  --sh-2:0 18px 40px -20px rgba(14,15,16,.28);
  --ease:cubic-bezier(.22,.61,.36,1);
  --font-sans:"HarmonyOS Sans SC","PingFang SC","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-mono:"DIN Alternate","Roboto Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--ink);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--ink)}
button,input{font:inherit}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px}
.mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums}
.wrap{max-width:1240px;margin:0 auto;padding:0 20px}
@media (min-width:1024px){ .wrap{padding:0 32px} }

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 20px;border-radius:12px;border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;white-space:nowrap;
  transition:background-color .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease),transform .22s var(--ease),filter .22s var(--ease),box-shadow .22s var(--ease);
}
.btn-lime{background:var(--lime);color:var(--ink)}
.btn-lime:hover{filter:brightness(1.07);transform:translateY(-1px)}
.btn-lime:active{transform:translateY(1px)}
.btn-lime:focus-visible{outline:2px solid var(--lime);outline-offset:2px}
.btn-ink{background:var(--ink);color:#fff}
.btn-ink:hover{background:var(--graphite);transform:translateY(-1px);color:#fff}
.btn-ink:active{transform:translateY(1px)}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--ink);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(1px)}
.btn-outline-light{background:transparent;border-color:var(--line-dark);color:#fff}
.btn-outline-light:hover{border-color:var(--lime);color:var(--lime);transform:translateY(-1px)}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:600;color:var(--ink);position:relative}
.text-link::after{content:"";position:absolute;left:0;right:0;bottom:-3px;height:1px;background:var(--ink);transform:scaleX(0);transform-origin:left;transition:transform .2s var(--ease)}
.text-link:hover::after{transform:scaleX(1)}
.text-link .arrow{transition:transform .2s var(--ease)}
.text-link:hover .arrow{transform:translateX(3px)}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,246,242,.94);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.brand-row{display:flex;align-items:center;justify-content:space-between;gap:16px;height:76px;transition:height .22s var(--ease)}
.site-header.is-compact .brand-row{height:62px}
.brand{display:inline-flex;align-items:center;gap:10px;min-width:0}
.brand-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:11px;background:var(--ink);color:var(--lime);
  font-family:var(--font-mono);font-size:13.5px;font-weight:700;letter-spacing:.04em;flex:0 0 auto;
}
.brand-name{font-size:17px;font-weight:700;letter-spacing:-.01em;white-space:nowrap}
.brand-tag{display:none;font-size:12px;padding:3px 10px;border-radius:999px;border:1px solid var(--line);color:var(--muted);white-space:nowrap}
@media (min-width:680px){ .brand-tag{display:inline-block} }
.brand-actions{display:flex;align-items:center;gap:10px}
.search-link{font-size:14px;color:var(--muted);padding:8px 2px;font-weight:500}
.search-link:hover{color:var(--ink)}
.nav-toggle{
  display:none;flex-direction:column;justify-content:center;gap:4px;
  width:44px;height:44px;padding:0 11px;border:1px solid var(--line);border-radius:12px;
  background:var(--white);cursor:pointer;transition:border-color .2s var(--ease)
}
.nav-toggle:hover{border-color:var(--ink)}
.nav-toggle span{display:block;height:2px;border-radius:2px;background:var(--ink)}
@media (max-width:767px){
  .brand-actions .btn,
  .brand-actions .search-link{display:none}
  .nav-toggle{display:inline-flex}
}
.channel-bar{border-top:1px solid var(--line)}
.channel-row{display:flex;align-items:center;gap:16px}
.channel-nav{display:flex;gap:26px;flex:1 1 auto;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none}
.channel-nav::-webkit-scrollbar{display:none}
.channel-link{
  position:relative;flex:0 0 auto;padding:13px 0;font-size:15px;font-weight:500;
  color:var(--muted);white-space:nowrap
}
.channel-link::after{
  content:"";position:absolute;left:0;right:0;bottom:6px;height:2px;background:var(--lime);
  transform:scaleX(0);transform-origin:left;transition:transform .2s var(--ease)
}
.channel-link:hover{color:var(--ink)}
.channel-link:hover::after,.channel-link.is-active::after{transform:scaleX(1)}
.channel-link.is-active{color:var(--ink);font-weight:700}
.mobile-panel{
  position:absolute;left:0;right:0;top:100%;
  background:var(--white);border-bottom:1px solid var(--line);
  padding:12px 20px 22px;display:flex;flex-direction:column;gap:2px;
  box-shadow:var(--sh-2)
}
.mobile-panel[hidden]{display:none}
.mobile-panel a{padding:12px 0;font-size:15px;font-weight:600;border-bottom:1px solid var(--line)}
.mobile-panel a:last-child{border-bottom:0;margin-top:12px;justify-content:center}
@media (min-width:768px){ .mobile-panel{display:none!important} }

/* ---------- 文章主体 ---------- */
.article-main{padding:34px 0 0}
.breadcrumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:13.5px;color:var(--muted);padding-bottom:20px;border-bottom:1px solid var(--line)
}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--ink);text-decoration:underline;text-decoration-color:var(--lime);text-decoration-thickness:2px;text-underline-offset:4px}
.breadcrumb .sep{color:#C9C6BE}
.breadcrumb .crumb-current{
  max-width:min(320px,44vw);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--ink);font-weight:600
}
.channel-kicker{
  display:inline-flex;align-items:center;gap:10px;margin:26px 0 18px;
  font-size:13px;font-weight:700;letter-spacing:.16em;color:var(--muted)
}
.channel-kicker::before{content:"";width:22px;height:2px;background:var(--lime)}
.article-head{max-width:880px}
.article-title{
  font-size:clamp(28px,3.6vw,44px);line-height:1.18;letter-spacing:-.02em;font-weight:700;margin:0 0 20px;color:var(--ink)
}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:14px;padding-bottom:24px;border-bottom:1px solid var(--line)}
.badge-cat{
  display:inline-flex;align-items:center;background:var(--lime);color:var(--ink);
  border-radius:999px;padding:5px 13px;font-size:13px;font-weight:700;letter-spacing:.02em
}
.meta-item{font-size:13.5px;color:var(--muted);display:inline-flex;align-items:center;gap:6px}
.meta-item + .meta-item::before{content:"";width:1px;height:12px;background:var(--line);margin-right:4px}
.article-body{max-width:880px;padding:34px 0 0;font-size:18px;line-height:1.9;color:#25282C}
.article-body > *:first-child{margin-top:0}
.article-body p{margin:0 0 24px}
.article-body h2{font-size:clamp(21px,2.2vw,27px);line-height:1.3;font-weight:650;letter-spacing:-.01em;margin:42px 0 16px;color:var(--ink)}
.article-body h3{font-size:20px;font-weight:600;line-height:1.45;margin:34px 0 14px;color:var(--ink)}
.article-body h4{font-size:17px;font-weight:600;margin:26px 0 12px;color:var(--ink)}
.article-body ul,.article-body ol{margin:0 0 24px;padding-left:22px}
.article-body li{margin-bottom:10px}
.article-body ul li::marker{color:var(--ember)}
.article-body ol li::marker{color:var(--ember);font-family:var(--font-mono);font-weight:700}
.article-body strong{font-weight:700;color:var(--ink)}
.article-body img{border-radius:var(--r-l);margin:28px 0;box-shadow:var(--sh-1)}
.article-body a{
  color:var(--ink);text-decoration:underline;text-decoration-color:var(--lime);
  text-decoration-thickness:2px;text-underline-offset:4px
}
.article-body a:hover{background:rgba(216,243,74,.4)}
.article-body blockquote{margin:28px 0;padding:8px 0 8px 22px;border-left:3px solid var(--lime);color:#3B3F44}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body table{width:100%;border-collapse:collapse;margin:26px 0;font-size:15.5px}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left}
.article-body th{background:#F1EFE9;font-weight:600}
.article-body code{font-family:var(--font-mono);font-size:.92em;background:#EFEDE7;padding:2px 6px;border-radius:6px}
.article-body pre{background:var(--ink);color:#E9E7E1;padding:18px;border-radius:var(--r-c);overflow:auto;margin:26px 0}
.article-body pre code{background:transparent;color:inherit;padding:0}
.article-body hr{border:0;border-top:1px solid var(--line);margin:38px 0}
.article-body figure{margin:28px 0}
.article-body figcaption{font-size:13.5px;color:var(--muted);margin-top:10px;text-align:center}
.article-empty{
  max-width:880px;margin:40px auto;padding:56px 24px;text-align:center;
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-l)
}
.article-empty .empty-icon{
  width:56px;height:56px;margin:0 auto 18px;border-radius:16px;background:var(--paper);
  border:1px dashed #CFCBC2;display:flex;align-items:center;justify-content:center;
  font-family:var(--font-mono);color:var(--muted);font-size:20px
}
.article-empty h2{font-size:22px;font-weight:650;margin:0 0 10px;line-height:1.4}
.article-empty p{color:var(--muted);margin:0 0 22px;font-size:15px;line-height:1.8}

/* ---------- 文末动作 ---------- */
.article-actions{
  max-width:880px;margin:48px 0 0;padding:26px 28px;background:var(--ink);border-radius:var(--r-l);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:18px
}
.article-actions p{margin:0;color:rgba(255,255,255,.72);font-size:15px;max-width:420px}
.article-actions .actions-btns{display:flex;flex-wrap:wrap;gap:12px}

/* ---------- 相关推荐 ---------- */
.related{margin-top:76px;padding-top:34px;border-top:1px solid var(--line)}
.related-title{font-size:20px;font-weight:650;margin:0 0 22px;letter-spacing:-.01em}
.related-list{display:grid;gap:16px}
.related-item{
  display:grid;grid-template-columns:150px 1fr;gap:18px;align-items:center;
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-c);padding:14px;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease)
}
.related-item:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#DBD8D0}
.related-thumb{aspect-ratio:16/9;width:100%;border-radius:12px;overflow:hidden;background:#EDEBE5}
.related-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .22s var(--ease)}
.related-item:hover .related-thumb img{transform:scale(1.04)}
.related-meta{display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--muted);margin-bottom:6px}
.related-meta .tag{
  background:rgba(255,106,43,.12);color:var(--ember);border-radius:999px;padding:2px 9px;font-weight:600;font-size:12px
}
.related-h3{font-size:17px;font-weight:600;line-height:1.45;margin:0 0 6px}
.related-desc{
  font-size:14px;color:var(--muted);margin:0;line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden
}
@media (max-width:520px){
  .related-item{grid-template-columns:1fr}
}

/* ---------- 上一篇 / 下一篇 ---------- */
.post-nav{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:26px}
.post-nav-item{
  display:block;padding:18px 20px;background:var(--white);border:1px solid var(--line);border-radius:var(--r-c);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease)
}
.post-nav-item:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#DBD8D0}
.post-nav-item .pn-label{display:block;font-size:12.5px;color:var(--muted);letter-spacing:.08em;margin-bottom:6px}
.post-nav-item .pn-title{font-size:16px;font-weight:600;line-height:1.5}
.post-nav-item.next{text-align:right}
@media (max-width:640px){
  .post-nav{grid-template-columns:1fr}
  .post-nav-item.next{text-align:left}
}

/* ---------- 页脚 ---------- */
.site-footer{margin-top:92px;background:var(--ink);color:#fff;padding:64px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px}
@media (max-width:1023px){ .footer-grid{grid-template-columns:1fr 1fr} }
@media (max-width:560px){ .footer-grid{grid-template-columns:1fr;gap:30px} }
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;margin-bottom:14px}
.footer-col p{color:rgba(255,255,255,.62);font-size:14px;line-height:1.8;margin:0}
.footer-title{color:#fff;font-size:14px;font-weight:600;letter-spacing:.06em;margin:0 0 14px}
.footer-link{display:block;color:rgba(255,255,255,.72);font-size:14px;padding:5px 0;transition:color .2s var(--ease),transform .2s var(--ease)}
.footer-link:hover{color:var(--lime);transform:translateX(4px)}
.subscribe-form{display:flex;gap:8px;margin-bottom:10px}
.subscribe-form input{
  flex:1 1 auto;min-width:0;height:46px;border-radius:12px;border:1px solid var(--line-dark);
  background:rgba(255,255,255,.06);color:#fff;padding:0 14px;font-size:14px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease)
}
.subscribe-form input::placeholder{color:rgba(255,255,255,.45)}
.subscribe-form input:focus{outline:none;border-color:var(--lime);box-shadow:0 0 0 3px rgba(216,243,74,.22)}
.form-note{font-size:13px;line-height:1.7}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;align-items:center;
  margin-top:46px;padding-top:22px;border-top:1px solid var(--line-dark);
  color:rgba(255,255,255,.5);font-size:13px
}
@media (max-width:640px){
  .subscribe-form{flex-direction:column}
  .subscribe-form .btn{width:100%}
}

@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
  .related-item:hover,.post-nav-item:hover,.btn:hover,.footer-link:hover,.text-link:hover .arrow{transform:none!important}
}

/* roulang page: category1 */
:root{
  --ink:#0E0F10;
  --graphite:#1A1C1E;
  --lime:#D8F34A;
  --orange:#FF6A2B;
  --paper:#F7F6F2;
  --white:#FFFFFF;
  --gray:#6B7076;
  --line:#E6E4DE;
  --line-dark:rgba(255,255,255,.12);
  --r-sm:8px;
  --r-md:12px;
  --r-card:16px;
  --r-lg:22px;
  --sh-1:0 1px 2px rgba(14,15,16,.06);
  --sh-2:0 18px 40px -20px rgba(14,15,16,.28);
  --ease:cubic-bezier(.22,.61,.36,1);
  --font-sans:"HarmonyOS Sans SC","PingFang SC","Noto Sans SC",system-ui,sans-serif;
  --font-mono:"DIN Alternate","Roboto Mono",ui-monospace,monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
input{font:inherit;}
:focus-visible{outline:2px solid var(--ink);outline-offset:2px;border-radius:4px;}
.channel-hero :focus-visible,.cta-band :focus-visible,.site-footer :focus-visible,.side-card-dark :focus-visible{outline-color:var(--lime);}
.skip-link{position:absolute;left:-9999px;top:0;z-index:200;background:var(--ink);color:var(--lime);padding:10px 18px;border-radius:0 0 var(--r-md) 0;font-size:14px;}
.skip-link:focus{left:0;}
.wrap{width:100%;max-width:1240px;margin:0 auto;padding:0 20px;}
@media (min-width:1024px){.wrap{padding:0 32px;}}
.mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums;letter-spacing:.01em;}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(247,246,242,.94);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:var(--sh-1);}
.brand-row{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  height:76px;transition:height .22s var(--ease);
}
.site-header.is-scrolled .brand-row{height:62px;}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:700;letter-spacing:-.01em;min-width:0;}
.brand-mark{
  display:inline-grid;place-items:center;flex:0 0 auto;
  width:34px;height:34px;border-radius:10px;
  background:var(--ink);color:var(--lime);
  font-family:var(--font-mono);font-size:12px;font-weight:700;letter-spacing:.06em;
}
.brand-name{font-size:17px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.brand-chip{
  display:none;align-items:center;height:24px;padding:0 10px;margin-left:4px;
  border-radius:999px;background:var(--lime);color:var(--ink);
  font-size:12px;font-weight:700;white-space:nowrap;
}
@media (min-width:768px){.brand-chip{display:inline-flex;}}
.brand-actions{display:flex;align-items:center;gap:10px;}
.search-box{
  display:none;align-items:center;gap:8px;height:40px;padding:0 14px;
  border:1px solid var(--line);border-radius:999px;background:var(--white);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
@media (min-width:980px){.search-box{display:flex;}}
.search-box:focus-within{border-color:var(--lime);box-shadow:0 0 0 3px rgba(216,243,74,.35);}
.search-box svg{flex:0 0 auto;color:var(--gray);}
.search-box input{border:0;outline:0;background:none;width:132px;font-size:14px;color:var(--ink);}
.search-box input::placeholder{color:#9aa0a6;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 20px;border-radius:var(--r-md);
  font-size:15px;font-weight:600;white-space:nowrap;border:1px solid transparent;
  transition:transform .2s var(--ease),background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease),filter .2s var(--ease);
}
.btn-lime{background:var(--lime);color:var(--ink);}
.btn-lime:hover{filter:brightness(1.06);transform:translateY(-1px);}
.btn-lime:active{transform:translateY(1px);filter:brightness(.97);}
.btn-dark{background:var(--ink);color:#fff;}
.btn-dark:hover{background:var(--graphite);transform:translateY(-1px);}
.btn-dark:active{transform:translateY(1px);}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--ink);}
.btn-ghost:hover{border-color:var(--ink);background:rgba(14,15,16,.03);}
.btn-ghost-dark{background:transparent;border-color:rgba(255,255,255,.24);color:#fff;}
.btn-ghost-dark:hover{border-color:var(--lime);color:var(--lime);}
.btn-sm{height:40px;padding:0 16px;font-size:14px;}
.btn.on-dark:hover{transform:translateY(-1px);}
.menu-toggle{
  display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;border:1px solid var(--line);border-radius:10px;background:#fff;
  transition:border-color .2s var(--ease);
}
.menu-toggle:hover{border-color:var(--ink);}
@media (min-width:768px){.menu-toggle{display:none;}}
.channel-nav{
  display:none;gap:4px;max-width:1240px;margin:0 auto;
  padding:0 20px 12px;overflow-x:auto;
  -webkit-overflow-scrolling:touch;scrollbar-width:none;
}
.channel-nav::-webkit-scrollbar{display:none;}
@media (min-width:768px){.channel-nav{display:flex;padding:0 32px 12px;}}
.channel-nav.is-open{display:flex;padding:0 20px 14px;border-top:1px solid var(--line);margin-top:4px;}
.channel-link{
  position:relative;flex:0 0 auto;padding:8px 14px;border-radius:999px;
  font-size:14.5px;font-weight:600;color:var(--gray);
  transition:color .2s var(--ease),background .2s var(--ease);
}
.channel-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:var(--lime);transform:scaleX(0);transform-origin:left;
  transition:transform .2s var(--ease);
}
.channel-link:hover{color:var(--ink);}
.channel-link:hover::after{transform:scaleX(1);}
.channel-link.is-active{background:var(--ink);color:var(--lime);}
.channel-link.is-active::after{display:none;}

/* ============ 频道头图 ============ */
.channel-hero{
  position:relative;min-height:300px;display:flex;align-items:flex-end;color:#fff;
  background:#101112 url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
}
.channel-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(14,15,16,.94) 0%,rgba(14,15,16,.68) 52%,rgba(14,15,16,.32) 100%);
}
.channel-hero-inner{position:relative;z-index:2;padding-top:64px;padding-bottom:52px;width:100%;}
.hero-kicker{
  font-family:var(--font-mono);font-size:12.5px;letter-spacing:.16em;
  text-transform:uppercase;color:var(--lime);margin-bottom:16px;
}
.hero-title{font-size:clamp(30px,4.8vw,58px);line-height:1.14;letter-spacing:-.02em;font-weight:700;}
.hero-sub{
  margin-top:16px;max-width:620px;color:rgba(255,255,255,.78);
  font-size:16px;line-height:1.8;
}
.hero-facts{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.hero-fact{
  display:inline-flex;align-items:center;gap:8px;height:32px;padding:0 14px;
  border-radius:999px;border:1px solid var(--line-dark);
  background:rgba(255,255,255,.06);font-size:13px;color:rgba(255,255,255,.86);
}
.hero-fact b{font-family:var(--font-mono);color:var(--lime);font-weight:700;}

/* ============ 筛选条 ============ */
.filter-bar{background:#fff;border-bottom:1px solid var(--line);}
.filter-inner{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  flex-wrap:wrap;padding-top:18px;padding-bottom:18px;
}
.filter-tabs{display:flex;gap:8px;overflow-x:auto;scrollbar-width:none;padding-bottom:2px;}
.filter-tabs::-webkit-scrollbar{display:none;}
.filter-tab{
  flex:0 0 auto;height:36px;padding:0 16px;border-radius:999px;
  border:1px solid var(--line);background:#fff;color:var(--gray);font-size:14px;
  transition:border-color .2s var(--ease),color .2s var(--ease),background .2s var(--ease);
}
.filter-tab:hover{border-color:var(--ink);color:var(--ink);}
.filter-tab.is-active{background:var(--ink);border-color:var(--ink);color:var(--lime);font-weight:600;}
.filter-note{font-family:var(--font-mono);font-size:13px;color:var(--gray);}

/* ============ 通用板块 ============ */
.section{padding:56px 0;}
@media (min-width:1024px){.section{padding:84px 0;}}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:16px;flex-wrap:wrap;margin-bottom:28px;
}
.section-head h2{font-size:clamp(22px,2.6vw,34px);line-height:1.25;font-weight:650;letter-spacing:-.02em;}
.section-desc{margin-top:10px;font-size:15px;color:var(--gray);max-width:680px;line-height:1.8;}
.link-arrow{
  position:relative;display:inline-flex;align-items:center;gap:6px;
  font-size:14.5px;font-weight:600;color:var(--ink);padding-bottom:2px;
}
.link-arrow .arrow{transition:transform .2s var(--ease);}
.link-arrow::after{
  content:"";position:absolute;left:0;bottom:-2px;width:100%;height:2px;
  background:var(--lime);transform:scaleX(0);transform-origin:left;
  transition:transform .2s var(--ease);
}
.link-arrow:hover::after{transform:scaleX(1);}
.link-arrow:hover .arrow{transform:translateX(3px);}

/* ============ 主体：大卡 + 窄栏 ============ */
.main-grid{display:grid;grid-template-columns:minmax(0,1fr);gap:32px;}
@media (min-width:1024px){
  .main-grid{grid-template-columns:minmax(0,2fr) minmax(288px,1fr);gap:40px;align-items:start;}
}
.preview-grid{display:grid;grid-template-columns:minmax(0,1fr);gap:24px;}
@media (min-width:640px){.preview-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
.pv-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.pv-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#dcd9d1;}
.pv-thumb{position:relative;display:block;aspect-ratio:16/9;overflow:hidden;background:#e9e7e1;}
.pv-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .22s var(--ease);}
.pv-card:hover .pv-thumb img{transform:scale(1.02);}
.badge{
  position:absolute;left:12px;top:12px;display:inline-flex;align-items:center;
  height:26px;padding:0 12px;border-radius:999px;font-size:12px;font-weight:700;letter-spacing:.02em;
}
.badge-orange{background:var(--orange);color:#fff;}
.badge-lime{background:var(--lime);color:var(--ink);}
.pv-time-chip{
  position:absolute;right:12px;bottom:12px;height:26px;padding:0 12px;
  display:inline-flex;align-items:center;border-radius:999px;
  background:rgba(14,15,16,.78);color:#fff;
  font-family:var(--font-mono);font-variant-numeric:tabular-nums;font-size:12.5px;
}
.pv-body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1 1 auto;}
.pv-title{
  font-size:19px;line-height:1.42;font-weight:650;letter-spacing:-.01em;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.pv-title a{transition:color .2s var(--ease);}
.pv-title a:hover{color:#3f4245;}
.pv-desc{
  margin-top:10px;font-size:14.5px;color:var(--gray);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.pv-meta{
  margin-top:auto;padding-top:16px;display:flex;align-items:center;gap:10px;
  font-size:13px;color:var(--gray);border-top:1px solid var(--line);
}
.pv-meta .mono{color:var(--ink);}
.dot{width:4px;height:4px;border-radius:50%;background:var(--line);flex:0 0 auto;}

/* ============ 侧栏 ============ */
.side-column{display:flex;flex-direction:column;gap:20px;}
.side-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:22px;}
.side-title{font-size:15px;font-weight:700;margin-bottom:16px;letter-spacing:.01em;}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px;}
.tag{
  display:inline-block;padding:6px 13px;border-radius:999px;
  background:var(--paper);border:1px solid var(--line);
  font-size:13px;color:var(--gray);
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.tag:hover{background:var(--lime);border-color:var(--lime);color:var(--ink);}
.mini-list li{display:flex;gap:12px;padding:12px 0;border-bottom:1px solid var(--line);}
.mini-list li:last-child{border-bottom:0;padding-bottom:0;}
.mini-time{flex:0 0 auto;padding-top:2px;font-family:var(--font-mono);font-size:12.5px;color:var(--gray);}
.mini-title{font-size:14.5px;line-height:1.6;}
.mini-title a{transition:color .2s var(--ease);}
.mini-title a:hover{color:#000;text-decoration:underline;text-decoration-color:var(--lime);text-decoration-thickness:2px;text-underline-offset:4px;}
.side-card-dark{background:var(--graphite);border-color:var(--line-dark);color:#fff;}
.side-card-dark .side-title{color:#fff;}
.side-note{font-size:14px;line-height:1.75;color:rgba(255,255,255,.68);margin-bottom:18px;}

/* ============ 表单 ============ */
.subscribe-form{display:flex;gap:10px;flex-wrap:wrap;}
.input{
  height:46px;width:100%;padding:0 14px;border-radius:var(--r-md);
  border:1px solid var(--line);background:#fff;color:var(--ink);font-size:14.5px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.input::placeholder{color:#9aa0a6;}
.input:focus{outline:none;border-color:var(--lime);box-shadow:0 0 0 3px rgba(216,243,74,.35);}
.input.is-error{border-color:#E5484D;box-shadow:0 0 0 3px rgba(229,72,77,.16);}
.input-dark{
  height:46px;width:100%;padding:0 14px;border-radius:var(--r-md);
  border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.06);
  color:#fff;font-size:14.5px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.input-dark::placeholder{color:rgba(255,255,255,.45);}
.input-dark:focus{outline:none;border-color:var(--lime);box-shadow:0 0 0 3px rgba(216,243,74,.3);}
.input-dark.is-error{border-color:#E5484D;box-shadow:0 0 0 3px rgba(229,72,77,.22);}
.form-note{margin-top:10px;font-size:13px;line-height:1.6;color:var(--gray);}
.form-note.is-error{color:#E5484D;}
.side-card-dark .form-note{color:rgba(255,255,255,.55);}
.side-card-dark .form-note.is-error{color:#ff9aa0;}
.side-card-dark .subscribe-form{flex-direction:column;}

/* ============ 三步流程 ============ */
.steps{display:grid;grid-template-columns:minmax(0,1fr);gap:20px;}
@media (min-width:768px){.steps{grid-template-columns:repeat(3,minmax(0,1fr));}}
.step{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px 24px;transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.step:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.step-num{
  display:inline-grid;place-items:center;width:44px;height:44px;margin-bottom:16px;
  border-radius:var(--r-md);background:var(--ink);color:var(--lime);
  font-family:var(--font-mono);font-size:17px;font-weight:700;
}
.step h3{font-size:19px;font-weight:650;letter-spacing:-.01em;}
.step p{margin-top:10px;font-size:14.5px;line-height:1.8;color:var(--gray);}

/* ============ 数据条 ============ */
.stats{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:26px;
  background:var(--graphite);border:1px solid var(--line-dark);
  border-radius:var(--r-lg);padding:34px 24px;color:#fff;
}
@media (min-width:768px){.stats{grid-template-columns:repeat(4,minmax(0,1fr));padding:40px;}}
.stat-num{
  font-family:var(--font-mono);font-variant-numeric:tabular-nums;
  font-size:clamp(26px,3vw,38px);font-weight:700;letter-spacing:-.01em;color:var(--lime);line-height:1.2;
}
.stat-label{margin-top:8px;font-size:13.5px;color:rgba(255,255,255,.7);line-height:1.6;}

/* ============ FAQ ============ */
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-h{margin:0;}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 0;text-align:left;font-size:17px;font-weight:600;letter-spacing:-.01em;
  transition:color .2s var(--ease);
}
.faq-q:hover{color:#3f4245;}
.faq-q svg{flex:0 0 auto;color:var(--gray);transition:transform .24s var(--ease);}
.faq-item.is-open .faq-q svg{transform:rotate(180deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s var(--ease);}
.faq-item.is-open .faq-a{max-height:360px;}
.faq-a p{padding-bottom:22px;font-size:15px;line-height:1.85;color:var(--gray);max-width:840px;}

/* ============ CTA ============ */
.cta-band{
  display:grid;grid-template-columns:minmax(0,1fr);gap:26px;align-items:center;
  background:var(--ink);border-radius:var(--r-lg);padding:38px 24px;color:#fff;
}
@media (min-width:1024px){.cta-band{grid-template-columns:1.05fr 1fr;padding:52px 48px;gap:40px;}}
.cta-title{font-size:clamp(22px,2.6vw,34px);line-height:1.25;font-weight:650;letter-spacing:-.02em;}
.cta-desc{margin-top:14px;font-size:15px;line-height:1.8;color:rgba(255,255,255,.72);max-width:520px;}
.cta-form{display:flex;gap:10px;flex-wrap:wrap;}
.cta-form .input-dark{flex:1 1 200px;height:50px;}
.cta-form .btn{height:50px;}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:#fff;margin-top:72px;padding:64px 0 30px;}
@media (min-width:1024px){.site-footer{margin-top:96px;}}
.footer-grid{display:grid;grid-template-columns:minmax(0,1fr);gap:32px;}
@media (min-width:768px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:28px;}}
.footer-brand{display:inline-flex;align-items:center;gap:10px;font-size:17px;font-weight:700;margin-bottom:14px;}
.footer-brand .brand-mark{background:var(--lime);color:var(--ink);}
.footer-col p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.62);}
.footer-title{font-size:14px;font-weight:700;color:#fff;margin-bottom:14px;letter-spacing:.02em;}
.footer-link{
  display:block;padding:5px 0;font-size:14px;color:rgba(255,255,255,.68);
  transition:color .2s var(--ease),transform .2s var(--ease);
}
.footer-link:hover{color:var(--lime);transform:translateX(3px);}
.footer-col .subscribe-form{margin-top:4px;}
.footer-col .subscribe-form input{
  flex:1 1 140px;height:46px;padding:0 14px;border-radius:var(--r-md);
  border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.06);
  color:#fff;font-size:14px;
}
.footer-col .subscribe-form input::placeholder{color:rgba(255,255,255,.45);}
.footer-col .subscribe-form input:focus{outline:none;border-color:var(--lime);box-shadow:0 0 0 3px rgba(216,243,74,.3);}
.footer-col .subscribe-form input.is-error{border-color:#E5484D;}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid var(--line-dark);
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.5);
}

@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
}

/* roulang page: category2 */
:root{
  --ink:#0E0F10;
  --graphite:#1A1C1E;
  --lime:#D8F34A;
  --orange:#FF6A2B;
  --paper:#F7F6F2;
  --white:#FFFFFF;
  --gray:#6B7076;
  --line:#E6E4DE;
  --line-dark:rgba(255,255,255,.12);
  --ok:#2FBF71;
  --warn:#F2B134;
  --err:#E5484D;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:22px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(14,15,16,.06);
  --sh-2:0 18px 40px -20px rgba(14,15,16,.28);
  --ease:cubic-bezier(.22,.61,.36,1);
  --sans:"HarmonyOS Sans SC","PingFang SC","Noto Sans SC",system-ui,-apple-system,sans-serif;
  --mono:"DIN Alternate","Roboto Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--sans);
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--ink);text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--graphite);}
button{font-family:inherit;}
input,button,textarea{font-size:16px;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:4px;}

.wrap{width:100%;max-width:1240px;margin:0 auto;padding:0 20px;}
@media (min-width:1024px){.wrap{padding:0 32px;}}

.mono{font-family:var(--mono);font-variant-numeric:tabular-nums;letter-spacing:.02em;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 20px;border-radius:12px;border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  transition:transform .22s var(--ease),background-color .22s var(--ease),border-color .22s var(--ease),color .22s var(--ease),box-shadow .22s var(--ease),filter .22s var(--ease);
  white-space:nowrap;
}
.btn:active{transform:translateY(1px);}
.btn-lime{background:var(--lime);color:var(--ink);border-color:var(--lime);}
.btn-lime:hover{filter:brightness(1.06);transform:translateY(-1px);color:var(--ink);}
.btn-dark{background:var(--ink);color:#fff;border-color:var(--ink);}
.btn-dark:hover{background:var(--graphite);border-color:var(--graphite);color:#fff;transform:translateY(-1px);}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line);}
.btn-ghost:hover{border-color:var(--ink);color:var(--ink);}
.btn-ghost-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.24);}
.btn-ghost-light:hover{border-color:var(--lime);color:var(--lime);}
.btn-sm{height:38px;padding:0 16px;font-size:14px;border-radius:10px;}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;height:auto;padding:0;
  background:none;border:0;color:var(--ink);font-weight:600;font-size:15px;position:relative;
}
.btn-text::after{
  content:"";position:absolute;left:0;bottom:-4px;height:2px;width:0;background:var(--lime);
  transition:width .2s var(--ease);
}
.btn-text:hover::after{width:100%;}
.btn-text .arw{transition:transform .2s var(--ease);}
.btn-text:hover .arw{transform:translateX(3px);}

/* ---------- 头部 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(247,246,242,.9);
  backdrop-filter:saturate(150%) blur(10px);
  -webkit-backdrop-filter:saturate(150%) blur(10px);
  border-bottom:1px solid transparent;
  transition:border-color .22s var(--ease);
}
.site-header.is-scrolled{border-bottom-color:var(--line);}
.brand-bar{transition:height .22s var(--ease);height:76px;display:flex;align-items:center;}
.site-header.is-scrolled .brand-bar{height:60px;}
.brand-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;}
.brand{display:inline-flex;align-items:center;gap:10px;min-width:0;}
.brand-mark{
  display:inline-flex;align-items:center;justify-content:center;
  height:32px;padding:0 9px;border-radius:9px;background:var(--ink);color:var(--lime);
  font-family:var(--mono);font-size:14px;font-weight:700;letter-spacing:.08em;
}
.brand-name{font-size:17px;font-weight:700;letter-spacing:-.01em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.brand-chip{
  display:inline-flex;align-items:center;height:22px;padding:0 10px;border-radius:var(--r-pill);
  background:rgba(255,106,43,.12);color:#C24A18;font-size:12px;font-weight:600;white-space:nowrap;
}
.brand-actions{display:flex;align-items:center;gap:10px;}
.icon-btn{
  width:40px;height:40px;border-radius:10px;border:1px solid var(--line);background:#fff;
  display:inline-flex;align-items:center;justify-content:center;color:var(--ink);cursor:pointer;
  transition:border-color .2s var(--ease),transform .2s var(--ease);
}
.icon-btn:hover{border-color:var(--ink);transform:translateY(-1px);}
.menu-toggle{
  width:40px;height:40px;border-radius:10px;border:1px solid var(--line);background:#fff;
  display:none;align-items:center;justify-content:center;cursor:pointer;color:var(--ink);
}
.menu-toggle span{display:block;width:16px;height:2px;background:var(--ink);position:relative;}
.menu-toggle span::before,.menu-toggle span::after{
  content:"";position:absolute;left:0;width:16px;height:2px;background:var(--ink);transition:transform .2s var(--ease);
}
.menu-toggle span::before{top:-5px;}
.menu-toggle span::after{top:5px;}

.channel-bar{border-top:1px solid var(--line);}
.channel-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;}
.channel-nav{display:flex;align-items:center;gap:26px;overflow-x:auto;scrollbar-width:none;}
.channel-nav::-webkit-scrollbar{display:none;}
.channel-link{
  position:relative;display:inline-flex;align-items:center;padding:15px 0 13px;
  font-size:15px;color:var(--gray);white-space:nowrap;font-weight:500;
}
.channel-link::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--lime);
  transition:width .2s var(--ease);
}
.channel-link:hover{color:var(--ink);}
.channel-link:hover::after{width:100%;}
.channel-link.is-active{color:var(--ink);font-weight:700;}
.channel-link.is-active::after{width:100%;}
.channel-side{font-size:13px;color:var(--gray);white-space:nowrap;}
.drawer{display:none;}

@media (max-width:767px){
  .brand-bar{height:64px;}
  .site-header.is-scrolled .brand-bar{height:56px;}
  .brand-actions .hide-mobile{display:none;}
  .menu-toggle{display:inline-flex;}
  .brand-chip{display:none;}
  .channel-side{display:none;}
  .channel-nav{padding-right:20px;-webkit-mask-image:linear-gradient(90deg,#000 82%,transparent);mask-image:linear-gradient(90deg,#000 82%,transparent);}
  .drawer{
    display:block;max-height:0;overflow:hidden;
    transition:max-height .3s var(--ease);
    border-top:1px solid transparent;background:rgba(247,246,242,.98);
  }
  .drawer.is-open{max-height:300px;border-top-color:var(--line);}
  .drawer a{
    display:block;padding:14px 20px;font-size:15px;font-weight:600;color:var(--ink);
    border-bottom:1px solid var(--line);
  }
  .drawer a.is-active{color:var(--ink);background:rgba(216,243,74,.28);}
}

/* ---------- 频道头 ---------- */
.page-main{padding-top:28px;}
.section{padding:56px 0;}
@media (min-width:1024px){.section{padding:88px 0;}}
.section-tight{padding:36px 0;}
@media (min-width:1024px){.section-tight{padding:52px 0;}}

.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.72);margin-bottom:18px;flex-wrap:wrap;}
.crumb a{color:rgba(255,255,255,.72);}
.crumb a:hover{color:var(--lime);}
.crumb .sep{opacity:.5;}

.channel-hero{
  position:relative;border-radius:var(--r-lg);overflow:hidden;min-height:300px;
  display:flex;align-items:flex-end;background:var(--ink);padding:34px 28px;
}
@media (min-width:1024px){.channel-hero{min-height:320px;padding:48px;}}
.channel-hero .hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.5;}
.channel-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(14,15,16,.30) 0%,rgba(14,15,16,.62) 46%,rgba(14,15,16,.94) 100%);
}
.hero-content{position:relative;z-index:2;max-width:760px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;height:26px;padding:0 12px;border-radius:var(--r-pill);
  background:rgba(216,243,74,.16);color:var(--lime);font-size:12px;font-weight:600;letter-spacing:.04em;margin-bottom:16px;
}
.channel-hero h1{
  font-size:clamp(30px,4.8vw,58px);line-height:1.14;letter-spacing:-.02em;font-weight:700;color:#fff;
}
.hero-desc{margin-top:14px;color:rgba(255,255,255,.78);font-size:15px;line-height:1.8;max-width:640px;}
@media (min-width:1024px){.hero-desc{font-size:16px;}}

/* ---------- 筛选条 ---------- */
.filter-bar{display:flex;gap:10px;overflow-x:auto;padding:4px 0 6px;scrollbar-width:none;}
.filter-bar::-webkit-scrollbar{display:none;}
.chip{
  display:inline-flex;align-items:center;height:38px;padding:0 18px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:#fff;color:var(--gray);font-size:14px;font-weight:600;white-space:nowrap;
  transition:border-color .2s var(--ease),color .2s var(--ease),background-color .2s var(--ease),transform .2s var(--ease);
}
.chip:hover{border-color:var(--ink);color:var(--ink);transform:translateY(-1px);}
.chip.is-on{background:var(--ink);border-color:var(--ink);color:var(--lime);}

.sec-head{margin-bottom:32px;}
.sec-head h2{font-size:clamp(22px,2.6vw,34px);line-height:1.25;font-weight:650;letter-spacing:-.01em;}
.sec-head p{margin-top:10px;color:var(--gray);font-size:15px;max-width:640px;}

/* ---------- 瀑布卡片 ---------- */
.masonry{column-count:3;column-gap:24px;}
@media (max-width:1023px){.masonry{column-count:2;column-gap:20px;}}
@media (max-width:639px){.masonry{column-count:1;}}
.g-card{
  break-inside:avoid;-webkit-column-break-inside:avoid;page-break-inside:avoid;
  display:block;background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;
  margin-bottom:24px;box-shadow:var(--sh-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.g-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#D9D6CD;}
.g-cover{position:relative;overflow:hidden;background:#E9E7E1;}
.g-cover.tall{aspect-ratio:4/3;}
.g-cover.wide{aspect-ratio:16/9;}
.g-cover img{width:100%;height:100%;object-fit:cover;transition:transform .22s var(--ease);}
.g-card:hover .g-cover img{transform:scale(1.02);}
.g-body{padding:20px;}
.tag{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;background:rgba(14,15,16,.06);color:#3D4146;
}
.tag-lime{background:rgba(216,243,74,.45);color:#4A5410;}
.tag-orange{background:rgba(255,106,43,.14);color:#C24A18;}
.g-body h3{margin-top:12px;font-size:20px;line-height:1.4;font-weight:600;letter-spacing:-.01em;}
.g-body p{margin-top:10px;font-size:14px;line-height:1.72;color:var(--gray);}
.g-meta{
  margin-top:16px;padding-top:14px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  font-size:13px;color:var(--gray);
}
.g-meta .num{font-family:var(--mono);color:var(--ink);font-weight:700;}

/* ---------- 时间轴 ---------- */
.timeline-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:32px 24px;}
@media (min-width:1024px){.timeline-wrap{padding:44px 40px;}}
.timeline{display:flex;overflow-x:auto;gap:28px;padding-top:6px;scrollbar-width:none;}
.timeline::-webkit-scrollbar{display:none;}
.tl-item{flex:0 0 auto;width:248px;position:relative;border-top:2px solid var(--line);padding-top:22px;}
.tl-item::before{
  content:"";position:absolute;top:-7px;left:0;width:12px;height:12px;border-radius:50%;
  background:var(--lime);border:2px solid var(--ink);
}
.tl-item .tl-idx{font-family:var(--mono);font-size:13px;color:var(--gray);letter-spacing:.06em;}
.tl-item h3{margin-top:8px;font-size:18px;font-weight:600;line-height:1.4;}
.tl-item p{margin-top:8px;font-size:14px;line-height:1.72;color:var(--gray);}

/* ---------- 步骤 ---------- */
.steps{display:grid;grid-template-columns:1fr;gap:20px;}
@media (min-width:768px){.steps{grid-template-columns:repeat(3,1fr);gap:24px;}}
.step{
  background:#fff;border:1px solid var(--line);border-radius:18px;padding:26px 24px;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.step:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.step .step-no{
  font-family:var(--mono);font-size:26px;font-weight:700;color:var(--ink);letter-spacing:.02em;
  display:inline-flex;align-items:center;height:44px;padding:0 14px;border-radius:12px;background:var(--lime);
}
.step h3{margin-top:18px;font-size:19px;font-weight:600;line-height:1.45;}
.step p{margin-top:10px;font-size:14px;line-height:1.75;color:var(--gray);}

/* ---------- FAQ ---------- */
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:22px 0;background:none;border:0;cursor:pointer;text-align:left;
  font-size:19px;font-weight:600;color:var(--ink);font-family:inherit;line-height:1.5;
}
.faq-q:hover{color:#000;}
.faq-arrow{
  flex:0 0 auto;width:28px;height:28px;border-radius:50%;border:1px solid var(--line);
  display:inline-flex;align-items:center;justify-content:center;color:var(--ink);
  transition:transform .24s var(--ease),background-color .24s var(--ease),border-color .24s var(--ease);
}
.faq-item.is-open .faq-arrow{transform:rotate(180deg);background:var(--lime);border-color:var(--lime);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s var(--ease);}
.faq-item.is-open .faq-a{max-height:340px;}
.faq-a p{padding:0 40px 22px 0;color:var(--gray);font-size:15px;line-height:1.85;}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--ink);border-radius:var(--r-lg);padding:36px 24px;color:#fff;
  display:flex;flex-direction:column;gap:24px;
}
@media (min-width:1024px){
  .cta-band{flex-direction:row;align-items:center;justify-content:space-between;padding:48px;gap:40px;}
}
.cta-band h2{font-size:clamp(22px,2.6vw,32px);line-height:1.28;font-weight:650;letter-spacing:-.01em;color:#fff;}
.cta-band p{margin-top:12px;color:rgba(255,255,255,.68);font-size:15px;max-width:520px;}
.subscribe-form{display:flex;gap:10px;flex-wrap:wrap;}
.subscribe-form input{
  height:46px;flex:1 1 220px;min-width:0;padding:0 16px;border-radius:12px;
  border:1px solid var(--line-dark);background:rgba(255,255,255,.06);color:#fff;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.subscribe-form input::placeholder{color:rgba(255,255,255,.42);}
.subscribe-form input:focus{
  outline:none;border-color:var(--lime);box-shadow:0 0 0 3px rgba(216,243,74,.28);
}
.form-note{margin-top:10px;font-size:13px;color:rgba(255,255,255,.55);width:100%;}
.form-note.is-err{color:#FF9497;}

/* ---------- 页脚 ---------- */
.site-footer{margin-top:20px;background:var(--ink);color:rgba(255,255,255,.72);padding:56px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px;}
@media (min-width:768px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:28px;}}
.footer-col{min-width:0;}
.footer-brand{display:inline-flex;align-items:center;gap:10px;color:#fff;font-size:16px;font-weight:700;margin-bottom:14px;}
.footer-brand .brand-mark{background:var(--lime);color:var(--ink);}
.footer-col p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.6);}
.footer-title{font-size:13px;font-weight:700;color:#fff;letter-spacing:.04em;margin-bottom:14px;}
.footer-link{display:block;font-size:14px;color:rgba(255,255,255,.68);padding:6px 0;transition:color .2s var(--ease),transform .2s var(--ease);}
.footer-link:hover{color:var(--lime);transform:translateX(3px);}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid var(--line-dark);
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.45);
}
@media (max-width:639px){
  .subscribe-form{flex-direction:column;}
  .subscribe-form input,.subscribe-form .btn{width:100%;}
  .faq-q{font-size:17px;}
}

@media (prefers-reduced-motion: reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
  .g-card:hover,.step:hover,.chip:hover,.btn:hover{transform:none;}
  .g-card:hover .g-cover img{transform:none;}
}