/* roulang page: index */
:root{
  --c-ink:#101215;
  --c-ink-2:#1B1E23;
  --c-accent:#C7F04A;
  --c-accent-deep:#9BC92B;
  --c-bg:#F7F6F2;
  --c-surface:#FFFFFF;
  --c-line:rgba(16,18,21,.10);
  --c-line-strong:rgba(16,18,21,.18);
  --c-text:#1A1C20;
  --c-text-mute:#6B6F76;
  --c-danger:#FF5C4D;
  --r-card:8px;
  --r-btn:4px;
  --shadow-1:0 1px 0 rgba(16,18,21,.06);
  --shadow-2:0 12px 28px -12px rgba(16,18,21,.18);
  --sp-section:110px;
  --font-cn:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  color:var(--c-text);
  background:var(--c-bg);
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .2s ease}
button,input,select,textarea{font-family:inherit;font-size:inherit}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.01em;line-height:1.28;color:var(--c-text)}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
.tnum{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:1024px){.container{padding:0 32px}}
.section{padding:var(--sp-section) 0}
.section--tight{padding:72px 0}
.section--surface{background:var(--c-surface)}
.sec-head{max-width:720px;margin-bottom:36px}
.sec-head h2{font-size:clamp(24px,3vw,36px);margin-bottom:14px}
.sec-head p{color:var(--c-text-mute);font-size:16px}
.sec-head--row{max-width:none;display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.14em;color:var(--c-accent-deep);text-transform:uppercase;margin-bottom:14px}
.eyebrow::before{content:"";width:18px;height:2px;background:var(--c-accent-deep);display:inline-block}

/* 顶部倒计时条 */
.topbar{background:var(--c-ink);color:#fff;min-height:42px;display:flex;align-items:center}
.topbar__inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:42px;padding-top:4px;padding-bottom:4px}
.topbar__timer{display:flex;align-items:center;gap:10px;font-size:14px}
.topbar__label{color:rgba(255,255,255,.66)}
.topbar__num{color:var(--c-accent);font-weight:700;font-size:16px;letter-spacing:.02em}
.topbar__link{color:rgba(255,255,255,.86);font-size:14px;display:inline-flex;align-items:center;gap:6px}
.topbar__link i{font-size:12px;transition:transform .2s ease}
.topbar__link:hover{color:var(--c-accent)}
.topbar__link:hover i{transform:translateX(2px)}
.topbar__note{display:none;color:rgba(255,255,255,.5);font-size:13px}
@media (min-width:768px){.topbar__note{display:inline}}

/* 头部 */
.site-header{position:sticky;top:0;z-index:60;background:var(--c-surface);border-bottom:1px solid var(--c-line);box-shadow:var(--shadow-1)}
.brandbar{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:68px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px;letter-spacing:-.01em;color:var(--c-ink)}
.logo__mark{width:32px;height:32px;border-radius:9px;background:var(--c-ink);color:var(--c-accent);display:grid;place-items:center;font-size:14px;flex:none}
.logo span.logo__text{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.brandbar__actions{display:flex;align-items:center;gap:10px}
.brandbar__link{font-size:14px;color:var(--c-text-mute)}
.brandbar__link:hover{color:var(--c-text)}
.chanbar{border-top:1px solid var(--c-line)}
.channav{display:flex;align-items:center;gap:28px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none}
.channav::-webkit-scrollbar{display:none}
.channav a{position:relative;padding:14px 0;font-size:15px;color:var(--c-text-mute);white-space:nowrap;font-weight:500}
.channav a::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:transparent;transition:background .2s ease}
.channav a:hover{color:var(--c-text)}
.channav a:hover::after{background:var(--c-line-strong)}
.channav a.is-active{color:var(--c-text);font-weight:700}
.channav a.is-active::after{background:var(--c-accent)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 22px;border-radius:var(--r-btn);border:1px solid transparent;font-size:15px;font-weight:700;cursor:pointer;transition:transform .18s ease,background .2s ease,border-color .2s ease,box-shadow .2s ease,color .2s ease}
.btn i{font-size:13px;transition:transform .2s ease}
.btn:hover i{transform:translateX(2px)}
.btn:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px}
.btn:active{transform:translateY(1px)}
.btn--primary{background:var(--c-ink);color:#fff}
.btn--primary:hover{background:var(--c-ink-2);box-shadow:var(--shadow-2)}
.btn--accent{background:var(--c-accent);color:var(--c-ink)}
.btn--accent:hover{background:var(--c-accent-deep)}
.btn--ghost{background:transparent;border-color:rgba(255,255,255,.4);color:#fff}
.btn--ghost:hover{border-color:#fff;background:rgba(255,255,255,.08)}
.btn--outline{background:transparent;border-color:var(--c-line-strong);color:var(--c-text)}
.btn--outline:hover{border-color:var(--c-ink);background:rgba(16,18,21,.04)}
.btn--sm{height:38px;padding:0 16px;font-size:14px}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed}

/* Hero */
.hero{position:relative;background:var(--c-ink);color:#fff;overflow:hidden}
.hero__bg{position:absolute;inset:0;background-image:url("/assets/images/backpic/back-1.png");background-size:cover;background-position:center;opacity:.42}
.hero__mask{position:absolute;inset:0;background:linear-gradient(100deg,rgba(16,18,21,.94) 0%,rgba(16,18,21,.78) 46%,rgba(16,18,21,.45) 100%)}
.hero__inner{position:relative;padding:84px 0 76px;max-width:820px}
.hero__tag{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;border:1px solid rgba(199,240,74,.5);color:var(--c-accent);font-size:13px;font-weight:700;margin-bottom:22px;background:rgba(199,240,74,.08)}
.hero h1{font-size:clamp(30px,4.6vw,56px);color:#fff;margin-bottom:18px}
.hero__sub{font-size:clamp(15px,1.5vw,18px);color:rgba(255,255,255,.78);max-width:640px;margin-bottom:32px}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:44px}
.hero__stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.14);border-radius:var(--r-card);overflow:hidden;max-width:660px}
.hero__stat{background:rgba(16,18,21,.62);padding:18px 20px}
.hero__stat b{display:block;font-size:22px;font-weight:800;color:var(--c-accent);line-height:1.2}
.hero__stat span{font-size:13px;color:rgba(255,255,255,.68)}
@media (max-width:640px){
  .hero__inner{padding:60px 0 56px}
  .hero__stats{grid-template-columns:1fr}
  .hero__actions .btn{width:100%}
}

/* 卖点（非等宽三列） */
.merits{display:grid;grid-template-columns:minmax(260px,1fr) 1.5fr;gap:56px;align-items:start}
.merits__aside{position:sticky;top:120px}
.merits__aside h2{font-size:clamp(24px,3vw,34px);margin-bottom:14px}
.merits__aside p{color:var(--c-text-mute);margin-bottom:24px}
.merit-list{border-top:1px solid var(--c-line)}
.merit{display:grid;grid-template-columns:64px 1fr;gap:20px;padding:26px 0;border-bottom:1px solid var(--c-line);transition:background .2s ease,padding-left .2s ease}
.merit:hover{background:var(--c-surface);padding-left:14px}
.merit__num{font-size:26px;font-weight:800;color:var(--c-accent-deep);font-variant-numeric:tabular-nums;line-height:1}
.merit h3{font-size:19px;margin-bottom:8px}
.merit p{color:var(--c-text-mute);font-size:15px}
@media (max-width:900px){
  .merits{grid-template-columns:1fr;gap:32px}
  .merits__aside{position:static}
  .merit{grid-template-columns:48px 1fr;gap:14px}
}

/* 图墙 */
.wall{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.wall__item{position:relative;overflow:hidden;border-radius:var(--r-card);background:#E7E6E1;border:1px solid var(--c-line);transition:border-color .2s ease,transform .2s ease}
.wall__item img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease,opacity .3s ease}
.wall__item:hover{border-color:var(--c-accent);transform:translateY(-2px)}
.wall__item:hover img{transform:scale(1.03)}
.wall__badge{position:absolute;left:12px;top:12px;background:rgba(16,18,21,.82);color:var(--c-accent);font-size:12px;font-weight:700;padding:4px 10px;border-radius:999px;backdrop-filter:blur(2px)}
.wall__cap{position:absolute;left:0;right:0;bottom:0;padding:28px 14px 12px;background:linear-gradient(to top,rgba(16,18,21,.86),rgba(16,18,21,0));color:#fff;font-size:14px;font-weight:600}
.wall__item--a{grid-column:span 2;aspect-ratio:16/9}
.wall__item--b{grid-column:span 1;aspect-ratio:3/4}
.wall__item--c{grid-column:span 1;aspect-ratio:1/1}
.wall__item--d{grid-column:span 1;aspect-ratio:1/1}
.wall__item--e{grid-column:span 1;aspect-ratio:3/4}
.wall__item--f{grid-column:span 2;aspect-ratio:16/9}
@media (max-width:768px){
  .wall{grid-template-columns:repeat(2,1fr)}
  .wall__item{grid-column:span 1 !important;aspect-ratio:4/3 !important}
}

/* 内容卡片 */
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;display:flex;flex-direction:column;transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:var(--c-line-strong)}
.card__cover{position:relative;display:block;aspect-ratio:16/9;background:#E9E8E3;overflow:hidden}
.card__cover img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.card:hover .card__cover img{transform:scale(1.03)}
.badge{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;font-size:12px;font-weight:700;background:var(--c-accent);color:var(--c-ink)}
.card__cover .badge{position:absolute;left:12px;top:12px}
.card__body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.card__body h3{font-size:18px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card__body h3 a:hover{color:#4b5b12;text-decoration:underline;text-underline-offset:3px}
.card__excerpt{font-size:14.5px;color:var(--c-text-mute);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;flex:1}
.card__meta{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--c-text-mute);border-top:1px solid var(--c-line);padding-top:12px}
.card__more{font-weight:700;color:var(--c-ink)}
.card:hover .card__more{color:var(--c-accent-deep)}
@media (max-width:1024px){.card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:640px){.card-grid{grid-template-columns:1fr}}

/* 空态 */
.empty{grid-column:1/-1;text-align:center;padding:56px 20px;background:var(--c-surface);border:1px dashed var(--c-line-strong);border-radius:var(--r-card)}
.empty i{font-size:30px;color:#B9BCC2;margin-bottom:14px;display:block}
.empty p{color:var(--c-text-mute);font-size:15px;margin-bottom:18px}

/* 流程时间线 */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;counter-reset:step}
.step{position:relative;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:26px 22px 24px}
.step::before{counter-increment:step;content:"0" counter(step);font-size:13px;font-weight:800;color:var(--c-accent-deep);letter-spacing:.06em;display:block;margin-bottom:12px}
.step h3{font-size:17px;margin-bottom:8px}
.step p{font-size:14.5px;color:var(--c-text-mute)}
@media (max-width:900px){.steps{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:520px){.steps{grid-template-columns:1fr}}

/* KPI */
.kpi{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;background:var(--c-line);border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden}
.kpi__item{background:var(--c-surface);padding:30px 24px}
.kpi__item b{display:block;font-size:clamp(26px,3vw,36px);font-weight:800;letter-spacing:-.02em;font-variant-numeric:tabular-nums;line-height:1.1;margin-bottom:8px}
.kpi__item span{font-size:14px;color:var(--c-text-mute)}
@media (max-width:900px){.kpi{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:520px){.kpi{grid-template-columns:1fr}}

/* 深色 CTA + 表单 */
.cta{position:relative;background:var(--c-ink);color:#fff;overflow:hidden}
.cta__bg{position:absolute;inset:0;background-image:url("/assets/images/backpic/back-3.webp");background-size:cover;background-position:center;opacity:.22}
.cta__mask{position:absolute;inset:0;background:linear-gradient(90deg,rgba(16,18,21,.96),rgba(16,18,21,.72))}
.cta__inner{position:relative;display:grid;grid-template-columns:1.05fr 1fr;gap:56px;align-items:start;padding:72px 0}
.cta h2{color:#fff;font-size:clamp(24px,3vw,34px);margin-bottom:14px}
.cta__lead{color:rgba(255,255,255,.72);margin-bottom:26px;max-width:520px}
.cta__points{display:flex;flex-direction:column;gap:10px;font-size:14.5px;color:rgba(255,255,255,.8)}
.cta__points i{color:var(--c-accent);margin-right:8px}
.cta-form{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.16);border-radius:var(--r-card);padding:26px;backdrop-filter:blur(3px)}
.field{margin-bottom:16px}
.field label{display:block;font-size:13px;font-weight:700;color:rgba(255,255,255,.8);margin-bottom:8px}
.field input{width:100%;height:44px;padding:0 14px;border-radius:var(--r-btn);border:1px solid rgba(255,255,255,.24);background:rgba(16,18,21,.5);color:#fff;transition:border-color .2s ease,box-shadow .2s ease}
.field input::placeholder{color:rgba(255,255,255,.42)}
.field input:focus{outline:none;border-color:var(--c-accent);box-shadow:0 0 0 3px rgba(199,240,74,.2)}
.field.has-error input{border-color:var(--c-danger)}
.field .err{display:none;font-size:12.5px;color:var(--c-danger);margin-top:6px}
.field.has-error .err{display:block}
.cta-form .btn{width:100%}
.form-msg{margin-top:14px;font-size:14px;min-height:22px}
.form-msg.is-ok{color:var(--c-accent)}
.form-msg.is-err{color:var(--c-danger)}
@media (max-width:900px){.cta__inner{grid-template-columns:1fr;gap:32px;padding:56px 0}}

/* FAQ */
.faq{border-top:1px solid var(--c-line)}
.faq__item{border-bottom:1px solid var(--c-line)}
.faq__item summary{list-style:none;cursor:pointer;padding:22px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;font-size:17px;font-weight:700;transition:color .2s ease}
.faq__item summary::-webkit-details-marker{display:none}
.faq__item summary:hover{color:var(--c-accent-deep)}
.faq__icon{width:22px;height:22px;position:relative;flex:none}
.faq__icon::before,.faq__icon::after{content:"";position:absolute;background:var(--c-ink);border-radius:2px;transition:transform .24s ease,opacity .24s ease}
.faq__icon::before{left:0;right:0;top:10px;height:2px}
.faq__icon::after{top:0;bottom:0;left:10px;width:2px}
.faq__item[open] .faq__icon::after{transform:scaleY(0);opacity:0}
.faq__answer{max-width:720px;padding:0 0 24px;font-size:15.5px;line-height:1.85;color:var(--c-text-mute)}

/* 页脚 */
.site-footer{background:var(--c-ink);color:rgba(255,255,255,.72);padding:72px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px}
.site-footer h4{color:#fff;font-size:14px;font-weight:700;margin-bottom:16px;letter-spacing:.02em}
.site-footer .f-logo{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:17px;margin-bottom:14px}
.site-footer .f-logo .logo__mark{background:var(--c-accent);color:var(--c-ink)}
.site-footer p{font-size:14px;line-height:1.9}
.footer-links li{margin-bottom:10px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.72)}
.footer-links a:hover{color:var(--c-accent)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:20px 0;display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;font-size:13px;color:rgba(255,255,255,.5)}
@media (max-width:900px){.footer-grid{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.footer-grid{grid-template-columns:1fr;gap:28px}}

/* 动效 */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .32s ease,transform .32s ease}
.reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category1 */
/* ===== 设计变量 ===== */
:root{
  --c-ink:#101215;
  --c-ink-2:#1B1E23;
  --c-ink-3:#2A2E35;
  --c-accent:#1FA98F;
  --c-accent-deep:#16796A;
  --c-accent-soft:#E6F4F1;
  --c-bg:#F7F6F2;
  --c-surface:#FFFFFF;
  --c-line:rgba(16,18,21,.10);
  --c-line-strong:rgba(16,18,21,.20);
  --c-text:#1A1C20;
  --c-text-mute:#6B6F76;
  --c-danger:#FF5C4D;
  --r-card:8px;
  --r-btn:4px;
  --r-pill:999px;
  --sh-1:0 1px 0 rgba(16,18,21,.06);
  --sh-2:0 12px 28px -12px rgba(16,18,21,.18);
  --wrap:1200px;
  --fs-body:16.5px;
  --ease:cubic-bezier(.4,0,.2,1);
}

/* ===== reset / base ===== */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",Arial,sans-serif;
  font-size:var(--fs-body);
  line-height:1.75;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--c-accent-deep)}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.01em;line-height:1.25;color:var(--c-text)}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button,input,select,textarea{font-family:inherit;font-size:inherit}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1}

.container{
  width:100%;
  max-width:var(--wrap);
  margin:0 auto;
  padding:0 32px;
}
@media (max-width:640px){.container{padding:0 20px}}

/* 覆盖 Foundation 默认味道 */
.row{max-width:none}
.grid-x{margin-left:-12px;margin-right:-12px}
.grid-x>.cell{padding-left:12px;padding-right:12px}
.grid-margin-y{margin-top:-12px}
.grid-margin-y>.cell{margin-top:24px}
a{color:inherit}

/* ===== 头部 ===== */
.site-header{background:var(--c-surface);position:relative;z-index:30}
.brandbar{
  display:flex;align-items:center;justify-content:space-between;
  min-height:68px;gap:16px;
}
.logo{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:18px;letter-spacing:-.02em;color:var(--c-text)}
.logo__mark{
  width:30px;height:30px;border-radius:7px;flex:0 0 30px;
  background:var(--c-ink);color:var(--c-accent);
  display:inline-flex;align-items:center;justify-content:center;font-size:13px;
}
.logo__text{white-space:nowrap}
.brandbar__actions{display:flex;align-items:center;gap:22px}
.brandbar__link{font-size:14.5px;color:var(--c-text-mute)}
.brandbar__link:hover{color:var(--c-text)}

.btn{
  display:inline-flex;align-items:center;gap:8px;
  border:1px solid transparent;border-radius:var(--r-btn);
  padding:12px 22px;font-size:15px;font-weight:600;line-height:1.2;
  cursor:pointer;transition:all .2s var(--ease);
}
.btn i{transition:transform .2s var(--ease)}
.btn:hover i{transform:translateX(2px)}
.btn--primary{background:var(--c-ink);color:#fff}
.btn--primary:hover{background:var(--c-ink-3);color:#fff;transform:translateY(-1px)}
.btn--primary:active{transform:translateY(1px)}
.btn--ghost{background:transparent;border-color:rgba(255,255,255,.42);color:#fff}
.btn--ghost:hover{background:rgba(255,255,255,.10);color:#fff;border-color:rgba(255,255,255,.75)}
.btn--outline{background:transparent;border-color:var(--c-line-strong);color:var(--c-text)}
.btn--outline:hover{border-color:var(--c-text);transform:translateY(-1px)}
.btn--accent{background:var(--c-accent);color:#06231E}
.btn--accent:hover{background:var(--c-accent-deep);color:#fff}
.btn--sm{padding:9px 16px;font-size:14px}
.btn[disabled]{opacity:.45;cursor:not-allowed}

.chanbar{border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);background:var(--c-surface)}
.channav{
  display:flex;align-items:stretch;gap:30px;
  overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;
}
.channav::-webkit-scrollbar{display:none}
.channav a{
  position:relative;flex:0 0 auto;
  padding:15px 0;font-size:15px;color:var(--c-text-mute);white-space:nowrap;
}
.channav a::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;
  background:transparent;transition:background .2s var(--ease);
}
.channav a:hover{color:var(--c-text)}
.channav a:hover::after{background:var(--c-line-strong)}
.channav a.is-active{color:var(--c-text);font-weight:700}
.channav a.is-active::after{background:var(--c-accent)}

/* ===== 面包屑 ===== */
.breadcrumb{margin:26px 0 0;font-size:13.5px;color:var(--c-text-mute)}
.breadcrumb a{color:var(--c-text-mute)}
.breadcrumb a:hover{color:var(--c-accent-deep)}
.breadcrumb span.sep{margin:0 8px;color:var(--c-line-strong)}
.breadcrumb .cur{color:var(--c-text)}

/* ===== 页面 Hero ===== */
.page-hero{
  margin-top:18px;
  position:relative;overflow:hidden;border-radius:var(--r-card);
  background:
    linear-gradient(90deg,rgba(16,18,21,.93) 0%,rgba(16,18,21,.74) 46%,rgba(16,18,21,.44) 100%),
    url("/assets/images/backpic/back-1.png") center/cover no-repeat;
  color:#fff;
}
.page-hero__inner{padding:76px 48px 66px;max-width:760px}
.page-hero .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.04em;color:var(--c-accent);
  background:rgba(31,169,143,.16);border:1px solid rgba(31,169,143,.38);
  padding:5px 12px;border-radius:var(--r-pill);margin-bottom:20px;
}
.page-hero h1{
  color:#fff;font-size:clamp(30px,4.4vw,52px);line-height:1.14;margin-bottom:16px;
}
.page-hero__lead{
  font-size:17px;color:rgba(255,255,255,.80);max-width:620px;margin-bottom:12px;
}
.page-hero__tip{font-size:14.5px;color:rgba(255,255,255,.62);max-width:620px;margin-bottom:28px}
.page-hero__cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px}

.hero-stats{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));
  gap:1px;background:rgba(255,255,255,.16);
  border:1px solid rgba(255,255,255,.16);border-radius:var(--r-card);overflow:hidden;
  max-width:640px;
}
.hero-stats div{background:rgba(16,18,21,.55);padding:16px 18px}
.hero-stats b{display:block;font-size:20px;font-weight:800;color:#fff}
.hero-stats small{font-size:12.5px;color:rgba(255,255,255,.60)}

/* ===== 板块骨架 ===== */
.section{padding:92px 0 0}
.section--last{padding-bottom:96px}
.section__head{max-width:720px;margin-bottom:34px}
.section__title{font-size:clamp(24px,2.9vw,34px);margin-bottom:12px}
.section__note{font-size:15.5px;color:var(--c-text-mute)}
.section__head--split{
  max-width:none;display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
}
.text-link{
  font-size:14.5px;font-weight:600;color:var(--c-accent-deep);
  display:inline-flex;align-items:center;gap:6px;
  background-image:linear-gradient(var(--c-accent-deep),var(--c-accent-deep));
  background-size:0% 1px;background-repeat:no-repeat;background-position:0 100%;
  transition:background-size .2s var(--ease);
}
.text-link:hover{background-size:100% 1px;color:var(--c-accent-deep)}
.text-link i{transition:transform .2s var(--ease)}
.text-link:hover i{transform:translateX(3px)}

/* ===== 首屏大卡 ===== */
.banner-card{
  display:grid;grid-template-columns:1.05fr .95fr;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:box-shadow .25s var(--ease),transform .25s var(--ease);
}
.banner-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px)}
.banner-card__media{position:relative;background:#E9E8E3;aspect-ratio:16/10;overflow:hidden}
.banner-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .45s var(--ease)}
.banner-card:hover .banner-card__media img{transform:scale(1.03)}
.banner-card__body{padding:40px 44px;display:flex;flex-direction:column;justify-content:center}
.banner-card__body h3{font-size:clamp(20px,2.1vw,26px);margin:14px 0 14px}
.banner-card__body p{color:var(--c-text-mute);font-size:15.5px;margin-bottom:16px}
.banner-card__list{margin:0 0 22px}
.banner-card__list li{
  position:relative;padding-left:18px;font-size:14.5px;color:var(--c-text-mute);margin-bottom:8px;
}
.banner-card__list li::before{
  content:"";position:absolute;left:0;top:10px;width:6px;height:6px;border-radius:50%;
  background:var(--c-accent);
}

.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12.5px;font-weight:600;letter-spacing:.02em;
  padding:5px 11px;border-radius:var(--r-pill);
  background:var(--c-accent-soft);color:var(--c-accent-deep);
  border:1px solid rgba(31,169,143,.25);
}
.badge--dark{background:rgba(16,18,21,.86);color:#fff;border-color:transparent}

/* ===== 卡片网格 ===== */
.card{
  height:100%;display:flex;flex-direction:column;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:box-shadow .25s var(--ease),transform .25s var(--ease),border-color .25s var(--ease);
}
.card:hover{box-shadow:var(--sh-2);transform:translateY(-2px);border-color:var(--c-line-strong)}
.card__media{position:relative;aspect-ratio:16/9;background:#E9E8E3;overflow:hidden}
.card__media img{width:100%;height:100%;object-fit:cover;transition:transform .45s var(--ease)}
.card:hover .card__media img{transform:scale(1.03)}
.card__media .badge{position:absolute;left:14px;top:14px}
.card__body{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1}
.card__title{font-size:18.5px;margin-bottom:10px}
.card__text{font-size:14.8px;color:var(--c-text-mute);flex:1;margin-bottom:16px}
.card__foot{
  display:flex;align-items:center;justify-content:space-between;
  padding-top:14px;border-top:1px solid var(--c-line);
  font-size:13px;color:var(--c-text-mute);
}

/* ===== 步骤 ===== */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
.step{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:28px 24px;box-shadow:var(--sh-1);position:relative;
  transition:border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.step:hover{border-color:var(--c-accent);box-shadow:var(--sh-2)}
.step__num{
  font-size:13px;font-weight:800;color:var(--c-accent-deep);
  letter-spacing:.08em;margin-bottom:14px;display:block;
}
.step h3{font-size:17.5px;margin-bottom:10px}
.step p{font-size:14.5px;color:var(--c-text-mute)}

/* ===== KPI 仪表条 ===== */
.kpi-strip{
  background:var(--c-ink);border-radius:var(--r-card);
  padding:38px 40px;color:#fff;
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;
}
.kpi{padding:0 26px;border-left:1px solid rgba(255,255,255,.12)}
.kpi:first-child{border-left:0;padding-left:0}
.kpi b{display:block;font-size:30px;font-weight:800;color:var(--c-accent);line-height:1.2}
.kpi span{display:block;font-size:14px;color:rgba(255,255,255,.66);margin-top:6px}

/* ===== 要点清单 ===== */
.notes{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.note{
  display:flex;gap:16px;background:var(--c-surface);
  border:1px solid var(--c-line);border-radius:var(--r-card);padding:22px 24px;
}
.note__ico{
  flex:0 0 38px;width:38px;height:38px;border-radius:8px;
  background:var(--c-accent-soft);color:var(--c-accent-deep);
  display:flex;align-items:center;justify-content:center;font-size:15px;
}
.note h3{font-size:16.5px;margin-bottom:7px}
.note p{font-size:14.5px;color:var(--c-text-mute)}

/* ===== FAQ ===== */
.faq{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:6px 30px}
.faq-item{border-bottom:1px solid var(--c-line)}
.faq-item:last-child{border-bottom:0}
.faq-item>summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 0;font-size:16.5px;font-weight:600;color:var(--c-text);
  transition:color .2s var(--ease);
}
.faq-item>summary::-webkit-details-marker{display:none}
.faq-item>summary:hover{color:var(--c-accent-deep)}
.faq__icon{
  flex:0 0 26px;width:26px;height:26px;border-radius:50%;
  border:1px solid var(--c-line-strong);color:var(--c-text-mute);
  display:flex;align-items:center;justify-content:center;font-size:11px;
  transition:transform .24s var(--ease),background .2s var(--ease),color .2s var(--ease);
}
.faq-item[open] .faq__icon{transform:rotate(45deg);background:var(--c-ink);color:var(--c-accent);border-color:var(--c-ink)}
.faq-item__body{
  max-width:720px;padding:0 0 24px;font-size:15.5px;line-height:1.85;color:var(--c-text-mute);
}

/* ===== CTA 横条 ===== */
.cta-band{
  background:var(--c-ink);border-radius:var(--r-card);color:#fff;
  padding:56px 48px;
  display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;
}
.cta-band h2{color:#fff;font-size:clamp(23px,2.6vw,32px);margin-bottom:14px}
.cta-band p{color:rgba(255,255,255,.68);font-size:15.5px;margin-bottom:22px}
.cta-band__meta{display:flex;flex-wrap:wrap;gap:10px}
.cta-band__meta span{
  font-size:13px;padding:5px 12px;border-radius:var(--r-pill);
  border:1px solid rgba(255,255,255,.24);color:rgba(255,255,255,.78);
}
.form{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.14);border-radius:var(--r-card);padding:26px 24px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13.5px;color:rgba(255,255,255,.72);margin-bottom:7px}
.field input,.field select,.field textarea{
  width:100%;height:44px;padding:0 13px;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.20);
  border-radius:var(--r-btn);color:#fff;font-size:15px;
  transition:border-color .2s var(--ease),background .2s var(--ease);
}
.field textarea{height:auto;padding:11px 13px;resize:vertical;min-height:84px}
.field input::placeholder,.field textarea::placeholder{color:rgba(255,255,255,.38)}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--c-accent);background:rgba(255,255,255,.10);
}
.field select option{color:#111}
.field .hint{font-size:12.5px;color:rgba(255,255,255,.45);margin-top:6px}
.field.is-error input{border-color:var(--c-danger)}
.form__submit{width:100%;justify-content:center;margin-top:4px}

/* ===== 页脚 ===== */
.site-footer{background:var(--c-ink);color:rgba(255,255,255,.72);margin-top:96px;padding:64px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}
.f-logo{display:inline-flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:17px;margin-bottom:16px}
.site-footer p{font-size:14px;line-height:1.9;color:rgba(255,255,255,.60)}
.site-footer h4{font-size:14px;color:#fff;margin-bottom:16px;font-weight:700}
.footer-links li{margin-bottom:10px}
.footer-links a,.footer-links li{font-size:14px;color:rgba(255,255,255,.68)}
.footer-links a:hover{color:var(--c-accent)}
.footer-bottom{
  margin-top:46px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.48);
}
.site-footer a{color:rgba(255,255,255,.72)}

/* ===== 动效 ===== */
.fade-up{opacity:0;transform:translateY(12px);animation:fadeUp .32s var(--ease) forwards}
@keyframes fadeUp{to{opacity:1;transform:none}}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .fade-up{opacity:1;transform:none}
}

/* ===== 响应式 ===== */
@media (max-width:1200px){
  .hero-stats{max-width:none}
}
@media (max-width:1024px){
  .section{padding-top:72px}
  .page-hero__inner{padding:60px 36px 54px}
  .banner-card{grid-template-columns:1fr}
  .banner-card__body{padding:32px 30px}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .kpi-strip{grid-template-columns:repeat(2,minmax(0,1fr));gap:26px 0;padding:34px 32px}
  .kpi:nth-child(3){border-left:0;padding-left:0}
  .cta-band{grid-template-columns:1fr;gap:32px;padding:44px 34px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
}
@media (max-width:768px){
  .brandbar__actions .brandbar__link{display:none}
  .section{padding-top:56px}
  .section--last{padding-bottom:64px}
  .section__head--split{flex-direction:column;align-items:flex-start}
  .hero-stats{grid-template-columns:1fr;gap:1px}
  .notes{grid-template-columns:1fr}
  .faq{padding:4px 20px}
  .site-footer{margin-top:64px;padding-top:48px}
}
@media (max-width:640px){
  body{font-size:16px}
  .logo{font-size:16px}
  .channav{gap:22px}
  .page-hero__inner{padding:44px 22px 42px}
  .page-hero__cta .btn{flex:1 1 auto;justify-content:center}
  .steps{grid-template-columns:1fr}
  .kpi-strip{grid-template-columns:1fr;padding:28px 22px}
  .kpi{border-left:0;padding-left:0;border-top:1px solid rgba(255,255,255,.12);padding-top:18px}
  .kpi:first-child{border-top:0;padding-top:0}
  .cta-band{padding:34px 22px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column}
}

/* roulang page: article */
:root{
  --c-ink:#101215;
  --c-ink-2:#1B1E23;
  --c-accent:#C7F04A;
  --c-accent-deep:#9BC92B;
  --c-bg:#F7F6F2;
  --c-surface:#FFFFFF;
  --c-line:rgba(16,18,21,.10);
  --c-line-strong:rgba(16,18,21,.22);
  --c-text:#1A1C20;
  --c-text-mute:#6B6F76;
  --c-danger:#FF5C4D;
  --r-card:8px;
  --r-btn:4px;
  --r-pill:999px;
  --sh-1:0 1px 0 rgba(16,18,21,.06);
  --sh-2:0 12px 28px -12px rgba(16,18,21,.18);
  --fs-h1:clamp(28px,3.6vw,42px);
  --fs-h2:clamp(22px,2.8vw,34px);
  --gap-sec:clamp(56px,7vw,104px);
  --font-cn:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC","Hiragino Sans GB",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.7;
  color:var(--c-text);
  background:var(--c-bg);
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,h6,p,ul,ol,li,figure,blockquote,dl,dd{margin:0;}
ul,ol{list-style:none;padding:0;}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
input,button,select,textarea{font-family:inherit;font-size:inherit;}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
@media (min-width:1024px){.container{padding:0 32px;}}
@media (min-width:1440px){.container{max-width:1280px;}}

/* ============ 顶部信息条 ============ */
.topbar{background:var(--c-ink);color:#fff;font-size:13px;}
.topbar__inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:44px;}
.topbar__timer{display:inline-flex;align-items:center;gap:8px;color:rgba(255,255,255,.78);}
.topbar__timer i{color:var(--c-accent);}
.topbar__timer strong{color:var(--c-accent);font-weight:700;}
.topbar__link{display:inline-flex;align-items:center;gap:6px;color:#fff;font-weight:600;padding:4px 0;border-bottom:1px solid transparent;transition:color .2s ease,border-color .2s ease;}
.topbar__link:hover{color:var(--c-accent);border-bottom-color:var(--c-accent);}
@media (max-width:640px){
  .topbar__timer{font-size:12px;}
  .topbar__timer .hide-sm{display:none;}
  .topbar__link{font-size:12px;}
}

/* ============ 头部 ============ */
.site-header{background:var(--c-surface);border-bottom:1px solid var(--c-line);position:sticky;top:0;z-index:60;box-shadow:var(--sh-1);}
.brandbar{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:68px;}
.logo{display:inline-flex;align-items:center;gap:10px;font-weight:800;letter-spacing:-.01em;}
.logo__mark{width:32px;height:32px;border-radius:8px;background:var(--c-ink);color:var(--c-accent);display:grid;place-items:center;font-size:14px;flex:0 0 auto;}
.logo__text{font-size:17px;color:var(--c-text);}
.brandbar__actions{display:inline-flex;align-items:center;gap:16px;}
.brandbar__link{font-size:14px;color:var(--c-text-mute);padding:6px 0;border-bottom:1px solid transparent;transition:color .2s ease,border-color .2s ease;}
.brandbar__link:hover{color:var(--c-text);border-bottom-color:var(--c-accent-deep);}
.chanbar{border-top:1px solid var(--c-line);}
.channav{display:flex;align-items:center;gap:4px;overflow-x:auto;scrollbar-width:none;}
.channav::-webkit-scrollbar{display:none;}
.channav a{padding:14px 14px;font-size:15px;color:var(--c-text-mute);border-bottom:2px solid transparent;white-space:nowrap;transition:color .2s ease,border-color .2s ease;}
.channav a:hover{color:var(--c-text);border-bottom-color:var(--c-line-strong);}
.channav a.is-active{color:var(--c-text);font-weight:700;border-bottom-color:var(--c-accent);}
.channav a:focus-visible{outline:2px solid var(--c-accent);outline-offset:-2px;}
@media (max-width:640px){
  .logo__text{font-size:15px;}
  .brandbar__link{display:none;}
  .channav a{padding:12px 12px;font-size:14px;}
}

/* ============ 按钮 ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 20px;border-radius:var(--r-btn);border:1px solid transparent;font-size:15px;font-weight:700;cursor:pointer;transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .18s ease,opacity .2s ease;}
.btn i{transition:transform .2s ease;}
.btn:hover i{transform:translateX(2px);}
.btn--primary{background:var(--c-ink);color:#fff;}
.btn--primary:hover{background:var(--c-ink-2);transform:translateX(1px);}
.btn--accent{background:var(--c-accent);color:var(--c-ink);}
.btn--accent:hover{background:var(--c-accent-deep);transform:translateX(1px);}
.btn--ghost{background:transparent;border-color:var(--c-line-strong);color:var(--c-text);}
.btn--ghost:hover{border-color:var(--c-ink);background:rgba(16,18,21,.04);}
.btn--ghost-light{background:transparent;border-color:rgba(255,255,255,.35);color:#fff;}
.btn--ghost-light:hover{border-color:#fff;background:rgba(255,255,255,.08);}
.btn--sm{height:36px;padding:0 14px;font-size:13.5px;}
.btn--block{width:100%;}
.btn:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;}
.btn:active{transform:translateY(1px);}
.btn[disabled]{opacity:.45;cursor:not-allowed;}

/* ============ 面包屑 ============ */
.page-head{padding-top:28px;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--c-text-mute);}
.breadcrumb a{color:var(--c-text-mute);transition:color .2s ease;}
.breadcrumb a:hover{color:var(--c-accent-deep);}
.breadcrumb .sep{color:rgba(16,18,21,.25);}
.breadcrumb .current{max-width:46ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--c-text);}

/* ============ 文章头 ============ */
.article-head{padding:20px 0 32px;border-bottom:1px solid var(--c-line);}
.article-head h1{font-size:var(--fs-h1);line-height:1.24;font-weight:800;letter-spacing:-.01em;max-width:900px;}
.article-head .lede{margin-top:14px;font-size:16px;color:var(--c-text-mute);max-width:760px;}
.article-meta{margin-top:20px;display:flex;flex-wrap:wrap;align-items:center;gap:6px 10px;font-size:13.5px;color:var(--c-text-mute);}
.article-meta span{display:inline-flex;align-items:center;gap:6px;}
.article-meta span+span::before{content:"·";margin-right:10px;color:rgba(16,18,21,.25);}
.article-meta i{color:var(--c-accent-deep);font-size:12px;}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;}
.tag{display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;border-radius:var(--r-pill);background:rgba(199,240,74,.28);color:#41520D;font-size:12.5px;font-weight:600;}
.tag--line{background:transparent;border:1px solid var(--c-line-strong);color:var(--c-text-mute);}

/* ============ 布局 ============ */
.article-wrap{padding:40px 0 0;}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:48px;}
@media (min-width:1024px){
  .article-layout{grid-template-columns:minmax(0,1fr) 300px;gap:64px;}
}
.article-panel{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:28px 24px;box-shadow:var(--sh-1);}
@media (min-width:768px){.article-panel{padding:44px 48px;}}
.article-body{max-width:760px;font-size:16.5px;line-height:1.85;color:#24272C;}
.article-body>*+*{margin-top:1.25em;}
.article-body p{margin:0;}
.article-body h2{font-size:clamp(21px,2.2vw,25px);line-height:1.45;font-weight:800;letter-spacing:-.01em;padding-left:14px;border-left:4px solid var(--c-accent);margin-top:2em;}
.article-body h3{font-size:19.5px;line-height:1.5;font-weight:700;margin-top:1.7em;}
.article-body h4{font-size:17px;font-weight:700;margin-top:1.5em;}
.article-body ul,.article-body ol{padding-left:1.35em;margin:0;}
.article-body ul li{list-style:disc;}
.article-body ol li{list-style:decimal;}
.article-body li+li{margin-top:.5em;}
.article-body li::marker{color:var(--c-accent-deep);}
.article-body a{color:#41620C;text-decoration:underline;text-underline-offset:3px;transition:color .2s ease;}
.article-body a:hover{color:var(--c-ink);}
.article-body img{border-radius:var(--r-card);margin:1.4em 0;box-shadow:var(--sh-1);}
.article-body figure{margin:1.4em 0;}
.article-body figcaption{font-size:13px;color:var(--c-text-mute);text-align:center;margin-top:10px;}
.article-body blockquote{background:#F1F0EB;border-left:3px solid var(--c-accent-deep);border-radius:0 var(--r-card) var(--r-card) 0;padding:16px 22px;color:#454A50;}
.article-body blockquote p{margin:0;}
.article-body hr{border:0;border-top:1px solid var(--c-line);margin:2em 0;}
.article-body table{width:100%;border-collapse:collapse;font-size:15px;}
.article-body th,.article-body td{border-bottom:1px solid var(--c-line);padding:11px 14px;text-align:left;vertical-align:top;}
.article-body th{background:#F1F0EB;font-weight:700;color:var(--c-text);}
.article-body code{background:#F1F0EB;border-radius:4px;padding:2px 6px;font-size:14.5px;}

/* 空态 */
.empty-state{text-align:center;padding:56px 16px;border:1px dashed var(--c-line-strong);border-radius:var(--r-card);background:#FBFAF7;}
.empty-state i{font-size:34px;color:var(--c-line-strong);}
.empty-state h2{margin-top:16px;font-size:20px;font-weight:800;border:0;padding:0;}
.empty-state p{margin-top:10px;color:var(--c-text-mute);font-size:15px;max-width:520px;margin-left:auto;margin-right:auto;}
.empty-state .btn{margin-top:22px;}

/* ============ 侧栏 ============ */
.aside{display:flex;flex-direction:column;gap:20px;}
@media (min-width:1024px){.aside{position:sticky;top:96px;align-self:start;}}
.aside-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:22px;box-shadow:var(--sh-1);}
.aside-card h3{font-size:14px;font-weight:800;letter-spacing:.02em;color:var(--c-text);padding-bottom:12px;border-bottom:1px solid var(--c-line);}
.aside-list li{padding:14px 0;border-bottom:1px solid var(--c-line);}
.aside-list li:last-child{border-bottom:0;padding-bottom:0;}
.aside-list a{display:flex;gap:12px;align-items:flex-start;}
.aside-list .thumb{width:64px;height:48px;flex:0 0 auto;border-radius:6px;overflow:hidden;background:#EFEEE9;}
.aside-list .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.aside-list a:hover .thumb img{transform:scale(1.05);}
.aside-list strong{display:block;font-size:14px;font-weight:700;line-height:1.5;transition:color .2s ease;}
.aside-list a:hover strong{color:var(--c-accent-deep);}
.aside-list small{display:block;margin-top:4px;font-size:12.5px;color:var(--c-text-mute);}
.aside-note{font-size:13.5px;color:var(--c-text-mute);line-height:1.8;}
.aside-note strong{color:var(--c-text);}

/* ============ 相关推荐 ============ */
.rel-section{padding:var(--gap-sec) 0 0;}
.sec-head{max-width:760px;margin-bottom:32px;}
.sec-head h2{font-size:var(--fs-h2);font-weight:800;letter-spacing:-.01em;line-height:1.3;}
.sec-head p{margin-top:12px;color:var(--c-text-mute);font-size:15.5px;}
.rel-row{margin:0 -12px;}
.rel-row>.columns{padding:0 12px;margin-bottom:24px;}
.card{display:flex;flex-direction:column;height:100%;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--c-line-strong);}
.card__media{position:relative;aspect-ratio:16/9;background:#EFEEE9;overflow:hidden;}
.card__media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.card:hover .card__media img{transform:scale(1.03);}
.card__badge{position:absolute;left:12px;top:12px;height:24px;padding:0 10px;border-radius:var(--r-pill);background:rgba(16,18,21,.82);color:#fff;font-size:12px;font-weight:600;display:inline-flex;align-items:center;}
.card__body{padding:20px;display:flex;flex-direction:column;flex:1 1 auto;}
.card__body h3{font-size:17px;line-height:1.5;font-weight:700;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card:hover .card__body h3{text-decoration:underline;text-decoration-color:var(--c-accent-deep);text-underline-offset:3px;}
.card__body p{margin-top:10px;font-size:14px;line-height:1.7;color:var(--c-text-mute);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card__foot{margin-top:auto;padding-top:16px;display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--c-text-mute);}
.card__foot .more{color:var(--c-text);font-weight:700;display:inline-flex;align-items:center;gap:6px;}
.card__foot .more i{transition:transform .2s ease;}
.card:hover .card__foot .more i{transform:translateX(2px);}
.back-row{margin-top:12px;display:flex;flex-wrap:wrap;gap:12px;}

/* ============ FAQ ============ */
.faq-section{padding:var(--gap-sec) 0 0;}
.faq-list{border-top:1px solid var(--c-line);max-width:900px;}
.faq-item{border-bottom:1px solid var(--c-line);}
.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:22px 4px;font-size:16.5px;font-weight:700;transition:color .2s ease;}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--c-accent-deep);}
.faq-item summary:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;}
.faq-item .sign{flex:0 0 auto;width:26px;height:26px;border-radius:50%;border:1px solid var(--c-line-strong);display:grid;place-items:center;font-size:12px;color:var(--c-text);transition:transform .24s ease,background-color .24s ease,border-color .24s ease;}
.faq-item[open] .sign{transform:rotate(180deg);background:var(--c-accent);border-color:var(--c-accent);}
.faq-answer{max-width:720px;padding:0 4px 24px;font-size:15.5px;line-height:1.8;color:var(--c-text-mute);}

/* ============ CTA ============ */
.cta-section{padding:var(--gap-sec) 0 0;}
.cta-band{position:relative;overflow:hidden;background:var(--c-ink);border-radius:14px;color:#fff;padding:48px 28px;}
@media (min-width:768px){.cta-band{padding:56px 52px;}}
.cta-band::after{content:"";position:absolute;inset:0;background-image:linear-gradient(90deg,rgba(16,18,21,.94) 0%,rgba(16,18,21,.78) 52%,rgba(16,18,21,.45) 100%),url("/assets/images/backpic/back-2.webp");background-size:cover;background-position:center;z-index:0;}
.cta-inner{position:relative;z-index:1;display:grid;grid-template-columns:1fr;gap:32px;align-items:center;}
@media (min-width:1024px){.cta-inner{grid-template-columns:1.15fr .85fr;gap:56px;}}
.cta-inner h2{font-size:clamp(22px,2.6vw,32px);font-weight:800;letter-spacing:-.01em;line-height:1.3;color:#fff;}
.cta-inner .cta-lede{margin-top:14px;font-size:15.5px;color:rgba(255,255,255,.76);max-width:560px;}
.cta-points{margin-top:22px;display:flex;flex-wrap:wrap;gap:10px;}
.cta-points span{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.82);border:1px solid rgba(255,255,255,.22);border-radius:var(--r-pill);padding:6px 14px;}
.cta-points i{color:var(--c-accent);}
.cta-form{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.16);border-radius:var(--r-card);padding:24px;backdrop-filter:blur(2px);}
.cta-form label{display:block;font-size:13.5px;color:rgba(255,255,255,.72);margin-bottom:8px;}
.cta-form input{width:100%;height:44px;border-radius:var(--r-btn);border:1px solid rgba(255,255,255,.22);background:rgba(16,18,21,.45);color:#fff;padding:0 14px;font-size:15px;transition:border-color .2s ease,box-shadow .2s ease;}
.cta-form input::placeholder{color:rgba(255,255,255,.4);}
.cta-form input:focus{outline:none;border-color:var(--c-accent);box-shadow:0 0 0 3px rgba(199,240,74,.18);}
.cta-form .field+.field{margin-top:16px;}
.form-tip{margin-top:14px;font-size:13px;color:rgba(255,255,255,.6);min-height:20px;}
.form-tip.is-ok{color:var(--c-accent);}
.form-tip.is-err{color:var(--c-danger);}

/* ============ 页脚 ============ */
.site-footer{margin-top:var(--gap-sec);background:var(--c-ink);color:rgba(255,255,255,.72);padding:64px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1fr;gap:36px;}
@media (min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:48px;}}
.site-footer h4{font-size:14px;font-weight:800;color:#fff;margin-bottom:16px;letter-spacing:.02em;}
.site-footer p{font-size:14px;line-height:1.9;max-width:380px;}
.f-logo{display:inline-flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:16px;margin-bottom:16px;}
.f-logo .logo__mark{background:var(--c-accent);color:var(--c-ink);}
.footer-links li{font-size:14px;line-height:2;}
.footer-links a{color:rgba(255,255,255,.72);transition:color .2s ease;}
.footer-links a:hover{color:var(--c-accent);}
.footer-bottom{margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.5);}

/* ============ 动效 ============ */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .32s ease,transform .32s ease;}
.reveal.is-in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;}
  .reveal{opacity:1;transform:none;}
}

/* roulang page: category2 */
:root{
  --c-ink:#101215;
  --c-ink-2:#1B1E23;
  --c-accent:#C7F04A;
  --c-accent-deep:#9BC92B;
  --c-bg:#F7F6F2;
  --c-surface:#FFFFFF;
  --c-line:rgba(16,18,21,.10);
  --c-line-strong:rgba(16,18,21,.18);
  --c-text:#1A1C20;
  --c-text-mute:#6B6F76;
  --c-danger:#FF5C4D;
  --r-card:8px;
  --r-btn:4px;
  --r-pill:999px;
  --sh-1:0 1px 0 rgba(16,18,21,.06);
  --sh-2:0 12px 28px -12px rgba(16,18,21,.18);
  --sp-section:96px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16.5px;
  line-height:1.75;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.01em;line-height:1.25}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1}

.container{max-width:1200px;margin:0 auto;padding:0 32px;width:100%}
.row{max-width:none;margin-left:-16px;margin-right:-16px}
.row .column,.row .columns{padding-left:16px;padding-right:16px;float:none}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;letter-spacing:.01em;
  border:1px solid transparent;cursor:pointer;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .18s ease,box-shadow .2s ease;
  white-space:nowrap;
}
.btn i{transition:transform .2s ease}
.btn:hover i{transform:translateX(2px)}
.btn--primary{background:var(--c-ink);color:#fff;border-color:var(--c-ink)}
.btn--primary:hover{background:var(--c-ink-2);border-color:var(--c-ink-2);transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn--accent{background:var(--c-accent);color:var(--c-ink);border-color:var(--c-accent)}
.btn--accent:hover{background:var(--c-accent-deep);border-color:var(--c-accent-deep);transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn--ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.34)}
.btn--ghost:hover{border-color:rgba(255,255,255,.8);transform:translateY(-1px)}
.btn--line{background:transparent;color:var(--c-text);border-color:var(--c-line-strong)}
.btn--line:hover{border-color:var(--c-ink);transform:translateY(-1px)}
.btn--sm{height:38px;padding:0 16px;font-size:14px}
.btn:active{transform:translateY(1px)}
.btn:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px}
.btn[disabled]{opacity:.45;cursor:not-allowed}

/* ============ 头部 ============ */
.site-header{position:sticky;top:0;z-index:60;background:var(--c-surface);border-bottom:1px solid var(--c-line);box-shadow:0 1px 0 rgba(16,18,21,.04)}
.brandbar{display:flex;align-items:center;justify-content:space-between;gap:18px;height:70px}
.logo{display:flex;align-items:center;gap:11px;font-size:18px;font-weight:800;letter-spacing:-.01em;color:var(--c-text)}
.logo__mark{width:30px;height:30px;border-radius:6px;background:var(--c-ink);color:var(--c-accent);display:inline-flex;align-items:center;justify-content:center;font-size:13px;flex:0 0 auto}
.logo:hover .logo__mark{background:var(--c-ink-2)}
.brandbar__actions{display:flex;align-items:center;gap:20px}
.brandbar__link{font-size:14px;color:var(--c-text-mute)}
.brandbar__link:hover{color:var(--c-ink)}
.chanbar{border-top:1px solid var(--c-line);background:var(--c-surface)}
.channav{display:flex;gap:28px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none}
.channav::-webkit-scrollbar{display:none}
.channav a{
  display:block;padding:13px 0 11px;font-size:15px;color:var(--c-text-mute);
  white-space:nowrap;border-bottom:2px solid transparent;
}
.channav a:hover{color:var(--c-text);border-bottom-color:var(--c-line-strong)}
.channav a.is-active{color:var(--c-text);font-weight:700;border-bottom-color:var(--c-accent)}

/* ============ 页面主视觉 ============ */
.page-hero{
  position:relative;color:#fff;overflow:hidden;
  padding:76px 0 0;
  background:var(--c-ink) url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(102deg,rgba(16,18,21,.93) 0%,rgba(16,18,21,.76) 48%,rgba(16,18,21,.46) 100%);
}
.page-hero .container{position:relative;z-index:1}
.crumb{display:flex;align-items:center;gap:9px;font-size:13.5px;color:rgba(255,255,255,.62);margin-bottom:26px;flex-wrap:wrap}
.crumb a{color:rgba(255,255,255,.72)}
.crumb a:hover{color:var(--c-accent)}
.crumb span.sep{color:rgba(255,255,255,.32)}
.crumb .now{color:#fff}
.hero-inner{max-width:760px}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;border-radius:var(--r-pill);
  background:rgba(199,240,74,.14);border:1px solid rgba(199,240,74,.4);color:var(--c-accent);
  font-size:13px;font-weight:600;margin-bottom:22px;
}
.page-hero h1{font-size:clamp(30px,4.6vw,54px);line-height:1.14;margin-bottom:18px}
.hero-sub{font-size:17px;color:rgba(255,255,255,.82);max-width:620px;margin-bottom:30px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:52px}
.hero-stats{
  display:grid;grid-template-columns:repeat(3,1fr);gap:0;
  border-top:1px solid rgba(255,255,255,.16);
}
.hero-stats div{padding:22px 24px 30px 0}
.hero-stats div+div{padding-left:24px;border-left:1px solid rgba(255,255,255,.12)}
.hero-stats b{display:block;font-size:26px;font-weight:800;color:var(--c-accent);letter-spacing:-.02em}
.hero-stats span{display:block;font-size:13.5px;color:rgba(255,255,255,.68);margin-top:4px}

/* ============ 通用板块 ============ */
.section{padding:var(--sp-section) 0}
.section--flush{padding-top:0}
.section--ink{background:var(--c-ink);color:#fff}
.section--paper{background:var(--c-surface)}
.sec-head{max-width:720px;margin-bottom:42px}
.sec-head .eyebrow{
  display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:.14em;
  color:var(--c-text-mute);text-transform:uppercase;margin-bottom:14px;
}
.sec-head h2{font-size:clamp(24px,3vw,36px);margin-bottom:16px}
.sec-head p{color:var(--c-text-mute);font-size:16px}
.section--ink .sec-head h2{color:#fff}
.section--ink .sec-head p{color:rgba(255,255,255,.7)}
.section--ink .sec-head .eyebrow{color:rgba(199,240,74,.85)}
.sec-head--center{margin-left:auto;margin-right:auto;text-align:center}

/* ============ 指标卡 ============ */
.kpi-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:-56px;position:relative;z-index:2}
.kpi{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:26px 24px;box-shadow:var(--sh-2);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.kpi:hover{transform:translateY(-2px);border-color:var(--c-line-strong)}
.kpi i{font-size:16px;color:var(--c-ink);background:var(--c-accent);width:38px;height:38px;border-radius:8px;display:inline-flex;align-items:center;justify-content:center;margin-bottom:16px}
.kpi h3{font-size:18px;margin-bottom:8px}
.kpi p{font-size:14.5px;color:var(--c-text-mute);line-height:1.72}

/* ============ 图文交错 ============ */
.feature-row{display:grid;grid-template-columns:1.02fr 1fr;gap:56px;align-items:center;padding:44px 0;border-top:1px solid var(--c-line)}
.feature-row:first-of-type{border-top:0;padding-top:0}
.feature-row--rev .feature-media{order:2}
.feature-media{position:relative;border-radius:var(--r-card);overflow:hidden;background:#EDEBE5;aspect-ratio:16/10}
.feature-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.feature-media:hover img{transform:scale(1.03)}
.feature-media .badge-float{
  position:absolute;left:16px;top:16px;height:28px;padding:0 12px;border-radius:var(--r-pill);
  background:rgba(16,18,21,.82);color:var(--c-accent);font-size:12.5px;font-weight:600;
  display:inline-flex;align-items:center;
}
.feature-no{font-size:13px;font-weight:700;letter-spacing:.16em;color:var(--c-accent-deep);margin-bottom:12px;display:block}
.feature-body h3{font-size:clamp(20px,2.2vw,26px);margin-bottom:14px}
.feature-body p{color:var(--c-text-mute);font-size:16px;margin-bottom:18px}
.link-arrow{
  display:inline-flex;align-items:center;gap:7px;font-size:15px;font-weight:600;
  color:var(--c-text);position:relative;
}
.link-arrow::after{content:"";position:absolute;left:0;bottom:-3px;width:0;height:1px;background:var(--c-ink);transition:width .2s ease}
.link-arrow:hover::after{width:100%}
.link-arrow i{font-size:12px}

/* ============ 表格 ============ */
.table-wrap{overflow-x:auto;border:1px solid var(--c-line);border-radius:var(--r-card);background:var(--c-surface)}
table.spec{width:100%;border-collapse:collapse;min-width:640px;margin:0}
table.spec th,table.spec td{padding:16px 20px;text-align:left;font-size:14.5px;border-bottom:1px solid var(--c-line)}
table.spec thead th{background:#F1EFE9;font-size:13px;letter-spacing:.04em;color:#4A4E55;font-weight:700;text-transform:none}
table.spec tbody tr:last-child td{border-bottom:0}
table.spec tbody tr:hover{background:#FBFAF7}
table.spec td strong{font-weight:700}
.tag{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-pill);font-size:12.5px;font-weight:600;background:#EFF6D9;color:#5C7A12;border:1px solid rgba(155,201,43,.35)}
.tag--ink{background:#E9E9EC;color:#3A3D44;border-color:var(--c-line)}
.tag--warn{background:#FFEDEA;color:#B2372A;border-color:rgba(255,92,77,.32)}

/* ============ 步骤 ============ */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;counter-reset:st}
.step{
  background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.12);
  border-radius:var(--r-card);padding:26px 22px;transition:border-color .24s ease,background .24s ease,transform .24s ease;
}
.step:hover{border-color:rgba(199,240,74,.5);background:rgba(255,255,255,.06);transform:translateY(-2px)}
.step b{display:block;font-size:13px;letter-spacing:.16em;color:var(--c-accent);margin-bottom:14px}
.step h3{font-size:18px;color:#fff;margin-bottom:10px}
.step p{font-size:14.5px;color:rgba(255,255,255,.7);line-height:1.72}

/* ============ 场景卡 ============ */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.scene{
  border:1px solid var(--c-line);border-radius:var(--r-card);background:var(--c-surface);
  padding:24px;transition:box-shadow .24s ease,transform .24s ease,border-color .24s ease;
}
.scene:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--c-line-strong)}
.scene i{font-size:15px;color:var(--c-ink);margin-bottom:14px;display:block}
.scene h3{font-size:17px;margin-bottom:8px}
.scene p{font-size:14.5px;color:var(--c-text-mute)}

/* ============ FAQ ============ */
.faq-list{border-top:1px solid var(--c-line)}
.faq-item{border-bottom:1px solid var(--c-line)}
.faq-item summary{
  list-style:none;cursor:pointer;position:relative;
  padding:24px 52px 24px 0;font-size:17px;font-weight:700;color:var(--c-text);
  transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--c-accent-deep)}
.faq-item summary::after{
  content:"+";position:absolute;right:8px;top:50%;transform:translateY(-50%);
  font-size:22px;font-weight:400;color:var(--c-text-mute);transition:transform .24s ease,color .24s ease;
}
.faq-item[open] summary::after{content:"−";color:var(--c-accent-deep)}
.faq-answer{
  padding:0 48px 26px 0;max-width:760px;
  font-size:15.5px;line-height:1.85;color:var(--c-text-mute);
}

/* ============ CTA / 表单 ============ */
.cta-band{background:var(--c-ink);color:#fff;padding:76px 0}
.cta-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:56px;align-items:center}
.cta-copy h2{font-size:clamp(24px,3vw,34px);margin-bottom:16px}
.cta-copy p{color:rgba(255,255,255,.72);font-size:16px;margin-bottom:22px;max-width:520px}
.cta-points{display:flex;gap:22px;flex-wrap:wrap;font-size:14px;color:rgba(255,255,255,.68)}
.cta-points span{display:inline-flex;align-items:center;gap:8px}
.cta-points i{color:var(--c-accent);font-size:12px}
.form-card{background:#fff;color:var(--c-text);border-radius:var(--r-card);padding:30px 28px;box-shadow:0 24px 48px -24px rgba(0,0,0,.5)}
.form-card h3{font-size:19px;margin-bottom:6px}
.form-card .form-note{font-size:13.5px;color:var(--c-text-mute);margin-bottom:20px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13.5px;font-weight:600;margin-bottom:7px;color:#3A3D44}
.field input,.field select{
  width:100%;height:46px;padding:0 14px;border-radius:var(--r-btn);
  border:1px solid var(--c-line-strong);background:#FCFBF8;font-size:15px;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.field input:focus,.field select:focus{outline:none;border-color:var(--c-accent-deep);background:#fff;box-shadow:0 0 0 3px rgba(199,240,74,.35)}
.field .hint{font-size:12.5px;color:var(--c-text-mute);margin-top:6px}
.field.is-error input,.field.is-error select{border-color:var(--c-danger)}
.field .err{display:none;font-size:12.5px;color:var(--c-danger);margin-top:6px}
.field.is-error .err{display:block}
.form-card .btn{width:100%;margin-top:4px}
.form-msg{display:none;margin-top:14px;font-size:13.5px;border-radius:var(--r-btn);padding:11px 14px}
.form-msg.is-ok{display:block;background:#EFF6D9;color:#4F6B10;border:1px solid rgba(155,201,43,.4)}
.form-msg.is-bad{display:block;background:#FFEDEA;color:#B2372A;border:1px solid rgba(255,92,77,.32)}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-ink);color:rgba(255,255,255,.72);padding:70px 0 0;font-size:14.5px}
.footer-grid{display:grid;grid-template-columns:1.35fr 1fr 1fr 1.1fr;gap:44px;padding-bottom:52px}
.f-logo{display:flex;align-items:center;gap:11px;color:#fff;font-weight:800;font-size:17px;margin-bottom:18px}
.site-footer p{color:rgba(255,255,255,.62);line-height:1.85;font-size:14.5px;max-width:340px}
.site-footer h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:18px}
.footer-links li{line-height:2.1;color:rgba(255,255,255,.62)}
.footer-links a{color:rgba(255,255,255,.62)}
.footer-links a:hover{color:var(--c-accent)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:22px 0 30px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13.5px;color:rgba(255,255,255,.5);
}

/* ============ 动效 ============ */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .32s ease,transform .32s ease}
.reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
}

/* ============ 响应式 ============ */
@media screen and (max-width:1024px){
  :root{--sp-section:76px}
  .container{padding:0 26px}
  .feature-row{grid-template-columns:1fr;gap:28px;padding:36px 0}
  .feature-row--rev .feature-media{order:0}
  .kpi-grid{grid-template-columns:1fr 1fr;margin-top:-40px}
  .scene-grid{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:1fr 1fr}
  .cta-grid{grid-template-columns:1fr;gap:34px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
}
@media screen and (max-width:768px){
  body{font-size:16px}
  .container{padding:0 20px}
  :root{--sp-section:58px}
  .page-hero{padding-top:52px}
  .hero-stats{grid-template-columns:1fr}
  .hero-stats div{padding:18px 0}
  .hero-stats div+div{padding-left:0;border-left:0;border-top:1px solid rgba(255,255,255,.12)}
  .hero-cta{margin-bottom:34px}
  .kpi-grid{grid-template-columns:1fr;margin-top:-32px}
  .scene-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .brandbar{height:64px}
  .logo{font-size:16.5px}
  .brandbar__link{display:none}
  .channav{gap:22px}
  .sec-head{margin-bottom:30px}
  .faq-item summary{padding-right:44px;font-size:16px}
  .faq-answer{padding-right:20px}
  .cta-band{padding:56px 0}
  .form-card{padding:24px 20px}
}
@media screen and (max-width:520px){
  .hero-cta .btn{width:100%}
  .footer-bottom{flex-direction:column;gap:8px}
}

/* roulang page: category3 */
:root{
  --c-ink:#101215;
  --c-ink-2:#1B1E23;
  --c-accent:#C7F04A;
  --c-accent-deep:#9BC92B;
  --c-bg:#F7F6F2;
  --c-surface:#FFFFFF;
  --c-line:rgba(16,18,21,.10);
  --c-line-strong:rgba(16,18,21,.22);
  --c-text:#1A1C20;
  --c-text-mute:#6B6F76;
  --c-danger:#FF5C4D;
  --c-teal:#2F6F6B;
  --radius-card:8px;
  --radius-btn:4px;
  --radius-pill:999px;
  --shadow-1:0 1px 0 rgba(16,18,21,.06);
  --shadow-2:0 12px 28px -12px rgba(16,18,21,.18);
  --sp-section:112px;
  --font-sans:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16.5px;
  line-height:1.75;
  color:var(--c-text);
  background:var(--c-bg);
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible{
  outline:2px solid var(--c-accent-deep);
  outline-offset:2px;
  border-radius:2px;
}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.01em;line-height:1.28;color:var(--c-ink);}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
input,select{font-family:inherit;font-size:15px;}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 20px;
}
@media screen and (min-width:1024px){
  .container{padding:0 32px;}
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:13px 24px;
  border-radius:var(--radius-btn);
  font-size:15px;
  font-weight:700;
  line-height:1.2;
  border:1px solid transparent;
  cursor:pointer;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .12s ease,box-shadow .2s ease;
}
.btn i{transition:transform .2s ease;}
.btn:hover i{transform:translateX(2px);}
.btn:active{transform:translateY(1px);}
.btn--primary{background:var(--c-ink);color:#fff;border-color:var(--c-ink);}
.btn--primary:hover{background:var(--c-ink-2);border-color:var(--c-ink-2);color:#fff;box-shadow:var(--shadow-2);}
.btn--accent{background:var(--c-accent);color:var(--c-ink);border-color:var(--c-accent);}
.btn--accent:hover{background:var(--c-accent-deep);border-color:var(--c-accent-deep);color:var(--c-ink);box-shadow:var(--shadow-2);}
.btn--ghost{background:transparent;color:var(--c-ink);border-color:var(--c-line-strong);}
.btn--ghost:hover{border-color:var(--c-ink);background:rgba(16,18,21,.04);}
.btn--sm{padding:9px 18px;font-size:14px;}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none;}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(247,246,242,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--c-line);
}
.brandbar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  height:68px;
}
.logo{display:inline-flex;align-items:center;gap:10px;font-weight:800;letter-spacing:-.01em;}
.logo__mark{
  width:32px;height:32px;flex:0 0 32px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--c-ink);color:var(--c-accent);
  border-radius:8px;font-size:14px;
}
.logo__text{font-size:18px;color:var(--c-ink);}
.brandbar__actions{display:flex;align-items:center;gap:18px;}
.brandbar__link{font-size:14.5px;color:var(--c-text-mute);font-weight:600;}
.brandbar__link:hover{color:var(--c-ink);}
@media screen and (max-width:640px){
  .brandbar__link{display:none;}
  .logo__text{font-size:16px;}
  .logo__mark{width:28px;height:28px;flex:0 0 28px;}
}

.chanbar{border-top:1px solid var(--c-line);background:rgba(255,255,255,.6);}
.channav{
  display:flex;
  align-items:center;
  gap:6px;
  overflow-x:auto;
  scrollbar-width:none;
  -ms-overflow-style:none;
}
.channav::-webkit-scrollbar{display:none;}
.channav a{
  position:relative;
  display:inline-block;
  white-space:nowrap;
  padding:14px 14px 13px;
  font-size:15px;
  font-weight:600;
  color:var(--c-text-mute);
  border-bottom:2px solid transparent;
}
.channav a::after{
  content:"";
  position:absolute;left:14px;right:14px;bottom:-2px;height:2px;
  background:var(--c-accent-deep);
  transform:scaleX(0);transform-origin:left;
  transition:transform .24s ease;
}
.channav a:hover{color:var(--c-ink);}
.channav a:hover::after{transform:scaleX(1);}
.channav a.is-active{color:var(--c-ink);font-weight:800;}
.channav a.is-active::after{transform:scaleX(1);}

/* ============ 面包屑 ============ */
.crumb{padding:22px 0 0;font-size:13.5px;color:var(--c-text-mute);}
.crumb a:hover{color:var(--c-accent-deep);}
.crumb span.sep{margin:0 8px;opacity:.55;}
.crumb .current{color:var(--c-ink);font-weight:600;}

/* ============ Hero ============ */
.cat-hero{
  position:relative;
  margin-top:22px;
  border-radius:12px;
  overflow:hidden;
  background:var(--c-ink);
  color:#fff;
  border:1px solid var(--c-line);
}
.cat-hero__bg{
  position:absolute;inset:0;
  background-image:linear-gradient(100deg,rgba(16,18,21,.94) 0%,rgba(16,18,21,.80) 46%,rgba(16,18,21,.52) 100%),url("/assets/images/backpic/back-1.png");
  background-size:cover;
  background-position:center;
}
.cat-hero__inner{position:relative;padding:64px 32px 60px;max-width:760px;}
.kicker{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--radius-pill);
  background:rgba(199,240,74,.14);
  border:1px solid rgba(199,240,74,.42);
  color:var(--c-accent);
  font-size:12.5px;font-weight:700;letter-spacing:.04em;
}
.cat-hero h1{
  margin:20px 0 0;
  color:#fff;
  font-size:clamp(30px,4.6vw,52px);
}
.cat-hero__lead{
  margin-top:16px;
  max-width:600px;
  font-size:16.5px;
  line-height:1.85;
  color:rgba(255,255,255,.82);
}
.hero-stats{
  display:flex;flex-wrap:wrap;gap:12px;
  margin-top:28px;
}
.hero-stats div{
  padding:12px 18px;
  border-radius:var(--radius-card);
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.14);
  min-width:132px;
}
.hero-stats b{display:block;font-size:20px;color:var(--c-accent);letter-spacing:-.01em;}
.hero-stats small{font-size:12.5px;color:rgba(255,255,255,.7);}
.cat-hero__cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px;}
.cat-hero .btn--ghost{color:#fff;border-color:rgba(255,255,255,.38);}
.cat-hero .btn--ghost:hover{background:rgba(255,255,255,.10);border-color:#fff;}
@media screen and (max-width:768px){
  .cat-hero__inner{padding:44px 20px 42px;}
  .hero-stats div{flex:1 1 44%;min-width:0;}
}

/* ============ 板块通用 ============ */
.section{padding:var(--sp-section) 0 0;}
.section:last-of-type{padding-bottom:var(--sp-section);}
.section-head{max-width:760px;margin-bottom:34px;}
.section-head .eyebrow{
  display:inline-block;font-size:12.5px;font-weight:800;letter-spacing:.14em;
  color:var(--c-teal);text-transform:uppercase;margin-bottom:12px;
}
.section-head h2{font-size:clamp(24px,3vw,34px);}
.section-head p{margin-top:12px;color:var(--c-text-mute);font-size:16px;}
@media screen and (max-width:1023px){:root{--sp-section:76px;}}
@media screen and (max-width:640px){:root{--sp-section:56px;}}

/* ============ 概览数据条 ============ */
.overview{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  border:1px solid var(--c-line);
  border-radius:10px;
  background:var(--c-surface);
  overflow:hidden;
  box-shadow:var(--shadow-1);
}
.overview__item{padding:26px 24px;border-right:1px solid var(--c-line);}
.overview__item:last-child{border-right:0;}
.overview__item strong{
  display:block;font-size:30px;font-weight:800;color:var(--c-ink);letter-spacing:-.02em;
  font-variant-numeric:tabular-nums;
}
.overview__item span{display:block;margin-top:6px;font-size:14px;color:var(--c-text-mute);}
.overview__item em{
  display:block;margin-top:12px;font-style:normal;font-size:12.5px;font-weight:700;
  color:var(--c-teal);
}
@media screen and (max-width:900px){
  .overview{grid-template-columns:repeat(2,1fr);}
  .overview__item:nth-child(2){border-right:0;}
  .overview__item:nth-child(1),.overview__item:nth-child(2){border-bottom:1px solid var(--c-line);}
}
@media screen and (max-width:520px){
  .overview{grid-template-columns:1fr;}
  .overview__item{border-right:0;border-bottom:1px solid var(--c-line);}
  .overview__item:last-child{border-bottom:0;}
}

/* ============ 标签筛选 ============ */
.filterbar{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  padding:16px 18px;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:10px;
  box-shadow:var(--shadow-1);
}
.filterbar__label{font-size:13.5px;font-weight:700;color:var(--c-text-mute);margin-right:4px;}
.tag-btn{
  border:1px solid var(--c-line-strong);
  background:transparent;
  color:var(--c-text);
  padding:7px 16px;
  border-radius:var(--radius-pill);
  font-size:13.5px;
  font-weight:600;
  cursor:pointer;
  transition:all .2s ease;
}
.tag-btn:hover{border-color:var(--c-ink);background:rgba(16,18,21,.04);}
.tag-btn.is-on{background:var(--c-ink);color:#fff;border-color:var(--c-ink);}

/* ============ 紧凑活动列表 ============ */
.act-list{margin-top:24px;border-top:1px solid var(--c-line);}
.act-item{
  display:grid;
  grid-template-columns:214px 1fr;
  gap:26px;
  align-items:flex-start;
  padding:26px 4px;
  border-bottom:1px solid var(--c-line);
  transition:background .2s ease;
}
.act-item:hover{background:rgba(255,255,255,.72);}
.act-item.is-hidden{display:none;}
.act-item__thumb{
  position:relative;
  display:block;
  aspect-ratio:16/10;
  border-radius:var(--radius-card);
  overflow:hidden;
  background:#E8E7E2;
  border:1px solid var(--c-line);
}
.act-item__thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.act-item:hover .act-item__thumb img{transform:scale(1.04);}
.act-item__meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:10px;}
.badge{
  display:inline-flex;align-items:center;
  padding:4px 12px;border-radius:var(--radius-pill);
  font-size:12.5px;font-weight:700;
  background:rgba(47,111,107,.10);color:var(--c-teal);
}
.badge--hot{background:rgba(255,92,77,.12);color:#C13425;}
.badge--new{background:rgba(199,240,74,.28);color:#4E6412;}
.act-item__meta time{font-size:13px;color:var(--c-text-mute);font-variant-numeric:tabular-nums;}
.act-item h3{font-size:19.5px;line-height:1.45;}
.act-item h3 a{background-image:linear-gradient(var(--c-accent-deep),var(--c-accent-deep));background-repeat:no-repeat;background-size:0% 2px;background-position:0 100%;transition:background-size .25s ease;padding-bottom:2px;}
.act-item h3 a:hover{color:var(--c-ink);background-size:100% 2px;}
.act-item__desc{margin-top:10px;font-size:15px;color:var(--c-text-mute);line-height:1.8;max-width:720px;}
.act-item__foot{display:flex;flex-wrap:wrap;align-items:center;gap:18px;margin-top:14px;font-size:13.5px;color:var(--c-text-mute);}
.act-item__foot .link-arrow{font-weight:700;color:var(--c-ink);}
.act-item__foot .link-arrow i{margin-left:6px;font-size:12px;transition:transform .2s ease;}
.act-item__foot .link-arrow:hover i{transform:translateX(3px);}
@media screen and (max-width:768px){
  .act-item{grid-template-columns:1fr;gap:16px;padding:22px 0;}
  .act-item__thumb{aspect-ratio:16/9;}
}

/* ============ 流程步骤 ============ */
.flow{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:22px;
}
.flow__step{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:10px;
  padding:26px 22px;
  box-shadow:var(--shadow-1);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.flow__step:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:var(--c-line-strong);}
.flow__no{
  display:inline-flex;align-items:center;justify-content:center;
  width:36px;height:36px;border-radius:8px;
  background:var(--c-ink);color:var(--c-accent);
  font-size:14px;font-weight:800;font-variant-numeric:tabular-nums;
}
.flow__step h3{margin-top:16px;font-size:17.5px;}
.flow__step p{margin-top:10px;font-size:14.5px;color:var(--c-text-mute);line-height:1.8;}
@media screen and (max-width:1023px){.flow{grid-template-columns:repeat(2,1fr);}}
@media screen and (max-width:560px){.flow{grid-template-columns:1fr;}}

/* ============ 说明与提示 ============ */
.notice{
  display:grid;
  grid-template-columns:1.35fr 1fr;
  gap:34px;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:12px;
  padding:38px;
  box-shadow:var(--shadow-1);
}
.notice h2{font-size:clamp(22px,2.5vw,30px);}
.notice p{margin-top:14px;color:var(--c-text-mute);font-size:15.5px;line-height:1.9;}
.notice__list{margin-top:22px;display:grid;gap:12px;}
.notice__list li{
  display:flex;gap:12px;align-items:flex-start;
  font-size:15px;color:var(--c-text);
  padding-left:2px;
}
.notice__list i{color:var(--c-accent-deep);margin-top:5px;font-size:13px;}
.notice__side{
  border-left:1px solid var(--c-line);
  padding-left:30px;
  display:flex;flex-direction:column;justify-content:center;gap:16px;
}
.notice__side .kpi{
  display:flex;align-items:baseline;justify-content:space-between;gap:12px;
  padding-bottom:14px;border-bottom:1px dashed var(--c-line);
}
.notice__side .kpi:last-child{border-bottom:0;padding-bottom:0;}
.notice__side .kpi span{font-size:14px;color:var(--c-text-mute);}
.notice__side .kpi b{font-size:22px;color:var(--c-ink);font-variant-numeric:tabular-nums;}
@media screen and (max-width:900px){
  .notice{grid-template-columns:1fr;padding:26px 22px;gap:24px;}
  .notice__side{border-left:0;border-top:1px solid var(--c-line);padding-left:0;padding-top:22px;}
}

/* ============ FAQ ============ */
.faq{border-top:1px solid var(--c-line);}
.faq__item{border-bottom:1px solid var(--c-line);}
.faq__q{
  width:100%;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 4px;
  background:none;border:0;text-align:left;cursor:pointer;
  font-size:16.5px;font-weight:700;color:var(--c-ink);
  font-family:inherit;
  transition:color .2s ease;
}
.faq__q:hover{color:var(--c-teal);}
.faq__icon{
  flex:0 0 26px;width:26px;height:26px;border-radius:50%;
  border:1px solid var(--c-line-strong);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:12px;color:var(--c-ink);
  transition:transform .24s ease,background .2s ease,border-color .2s ease;
}
.faq__item.is-open .faq__icon{transform:rotate(45deg);background:var(--c-accent);border-color:var(--c-accent-deep);}
.faq__a{
  overflow:hidden;
  max-height:0;
  transition:max-height .24s ease;
}
.faq__a p{
  max-width:720px;
  padding:0 4px 24px;
  font-size:15.5px;
  line-height:1.85;
  color:var(--c-text-mute);
}

/* ============ CTA 横条 ============ */
.cta-band{
  background:var(--c-ink);
  color:#fff;
  border-radius:14px;
  padding:52px 44px;
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:44px;
  align-items:center;
  position:relative;
  overflow:hidden;
}
.cta-band::after{
  content:"";
  position:absolute;right:-80px;top:-80px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(199,240,74,.22),transparent 70%);
  pointer-events:none;
}
.cta-band h2{color:#fff;font-size:clamp(24px,3vw,34px);}
.cta-band p{margin-top:14px;color:rgba(255,255,255,.78);font-size:15.5px;line-height:1.85;max-width:520px;}
.cta-band .cta-points{margin-top:22px;display:grid;gap:10px;}
.cta-band .cta-points li{font-size:14.5px;color:rgba(255,255,255,.82);display:flex;gap:10px;align-items:flex-start;}
.cta-band .cta-points i{color:var(--c-accent);margin-top:5px;font-size:12px;}
.form-card{
  position:relative;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.16);
  border-radius:12px;
  padding:28px 26px;
}
.form-card h3{color:#fff;font-size:19px;}
.field{margin-top:18px;}
.field label{display:block;font-size:13.5px;font-weight:600;color:rgba(255,255,255,.8);margin-bottom:8px;}
.field input,.field select{
  width:100%;height:44px;padding:0 14px;
  border-radius:var(--radius-btn);
  border:1px solid rgba(255,255,255,.24);
  background:rgba(16,18,21,.42);
  color:#fff;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field input::placeholder{color:rgba(255,255,255,.42);}
.field input:focus,.field select:focus{
  outline:none;
  border-color:var(--c-accent);
  box-shadow:0 0 0 3px rgba(199,240,74,.18);
}
.field select option{color:#111;}
.form-card .btn{width:100%;justify-content:center;margin-top:24px;}
.form-hint{margin-top:12px;font-size:12.5px;color:rgba(255,255,255,.55);}
.form-msg{margin-top:14px;font-size:13.5px;display:none;}
.form-msg.is-error{display:block;color:var(--c-danger);}
.form-msg.is-ok{display:block;color:var(--c-accent);}
@media screen and (max-width:900px){
  .cta-band{grid-template-columns:1fr;padding:38px 22px;gap:30px;}
}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--c-ink);
  color:rgba(255,255,255,.72);
  padding:66px 0 26px;
  margin-top:var(--sp-section);
  font-size:14.5px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:38px;
  padding-bottom:44px;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.f-logo{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:800;color:#fff;margin-bottom:16px;}
.f-logo .logo__mark{width:30px;height:30px;flex:0 0 30px;background:var(--c-accent);color:var(--c-ink);}
.site-footer p{line-height:1.9;color:rgba(255,255,255,.66);}
.site-footer h4{color:#fff;font-size:14px;font-weight:800;letter-spacing:.02em;margin-bottom:16px;}
.footer-links li{line-height:2;}
.footer-links a{color:rgba(255,255,255,.72);}
.footer-links a:hover{color:var(--c-accent);}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  padding-top:22px;
  font-size:13.5px;
  color:rgba(255,255,255,.5);
}
@media screen and (max-width:900px){
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:30px;}
}
@media screen and (max-width:560px){
  .footer-grid{grid-template-columns:1fr;}
  .site-footer{padding-top:48px;}
}

/* ============ 动效 ============ */
.fade-up{opacity:0;transform:translateY(12px);}
.fade-up.is-in{opacity:1;transform:none;transition:opacity .32s ease,transform .32s ease;}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important;}
  .fade-up{opacity:1;transform:none;}
}