/* roulang page: index */
:root{
  --brand:#6A3DE8;--brand-d:#4E22C4;--brand-l:#EFEAFF;
  --accent:#17C3B2;--accent-l:#E4FAF7;
  --promo:#FF8A28;--promo-l:#FFF1E3;
  --dark:#120E28;--dark-2:#1D1740;
  --ink:#171331;--ink-2:#56506E;--ink-3:#8A85A0;
  --line:#E6E2F5;--bg:#FAF9FF;--surface:#FFFFFF;
  --ok:#1FA971;--warn:#E5484D;
  --grad:linear-gradient(120deg,#6A3DE8 0%,#17C3B2 130%);
  --r-card:18px;--r-btn:12px;--r-input:12px;--r-pill:999px;--r-img:14px;
  --shadow-1:0 2px 4px rgba(23,19,49,.04),0 10px 28px rgba(23,19,49,.07);
  --shadow-2:0 6px 12px rgba(23,19,49,.07),0 18px 40px rgba(106,61,232,.16);
  --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  --side-w:240px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:var(--font-cn);font-size:16px;line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-img)}
a{color:inherit;text-decoration:none;transition:color 200ms ease,border-color 200ms ease}
a:hover{color:var(--brand)}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3;color:var(--ink)}
p{margin:0 0 1.2em}
ul{margin:0;padding:0;list-style:none}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}
.num{font-variant-numeric:tabular-nums;font-weight:700}

/* ---------- 框架 ---------- */
.app-shell{display:flex;min-height:100vh}
.side-nav{
  position:fixed;top:0;left:0;bottom:0;width:var(--side-w);
  background:var(--dark);color:#fff;z-index:1045;
  display:flex;flex-direction:column;padding:22px 16px 18px;
  overflow-y:auto;
}
.brand{display:flex;align-items:center;gap:10px;margin-bottom:26px}
.brand-mark{
  width:34px;height:34px;border-radius:11px;background:var(--grad);
  display:flex;align-items:center;justify-content:center;
  font-size:16px;font-weight:700;color:#fff;flex:0 0 34px;
}
.brand-name{font-size:18px;font-weight:700;color:#fff;letter-spacing:.4px;white-space:nowrap}
.side-links{display:flex;flex-direction:column;gap:4px;flex:1}
.side-link{
  position:relative;display:flex;align-items:center;height:44px;
  padding:0 12px 0 16px;border-radius:10px;font-size:15px;color:rgba(255,255,255,.74);
  transition:background 200ms ease,color 200ms ease;
}
.side-link::before{
  content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;
  border-radius:2px;background:transparent;transition:background 200ms ease;
}
.side-link:hover,.side-link:focus-visible{background:rgba(255,255,255,.06);color:#fff}
.side-link:hover::before{background:var(--accent)}
.side-link.active{background:rgba(255,255,255,.08);color:#fff;font-weight:600}
.side-link.active::before{background:var(--accent)}
.side-foot{margin-top:24px}
.contact-mini{
  border:1px solid rgba(255,255,255,.18);border-radius:14px;padding:14px;
  background:rgba(255,255,255,.04);
}
.contact-mini p{margin:0 0 12px;font-size:13px;line-height:1.7;color:rgba(255,255,255,.72)}
.side-copy{
  margin-top:16px;font-size:12px;line-height:1.7;color:rgba(255,255,255,.55);
}
.mobile-bar{display:none}
.drawer-mask{
  position:fixed;inset:0;background:rgba(18,14,40,.6);backdrop-filter:blur(3px);
  opacity:0;visibility:hidden;transition:opacity 200ms ease;z-index:1040;
}
.drawer-mask.show{opacity:1;visibility:visible}
.burger{
  width:40px;height:40px;border-radius:10px;border:1px solid rgba(255,255,255,.22);
  background:transparent;display:flex;align-items:center;justify-content:center;
  gap:4px;flex-direction:column;cursor:pointer;
}
.burger span{display:block;width:16px;height:2px;background:#fff;border-radius:2px}
.app-main{margin-left:var(--side-w);flex:1;min-width:0;display:flex;flex-direction:column;min-height:100vh}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.crumb{
  height:44px;display:flex;align-items:center;gap:8px;
  font-size:13px;color:var(--ink-3);
}
.crumb a:hover{color:var(--brand)}
.crumb .sep{color:var(--ink-3);opacity:.7}
.crumb .current{color:var(--ink-2)}

/* ---------- 按钮 / 徽章 ---------- */
.btn-brand,.btn-ghost,.btn-promo,.btn-text{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 20px;border-radius:var(--r-btn);font-size:15px;font-weight:600;
  border:1.5px solid transparent;cursor:pointer;
  transition:transform 200ms ease,box-shadow 200ms ease,filter 200ms ease,background 200ms ease,color 200ms ease;
}
.btn-brand{background:var(--grad);color:#fff;box-shadow:var(--shadow-1)}
.btn-brand:hover{color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-2);filter:brightness(1.04)}
.btn-brand:active{transform:translateY(0)}
.btn-promo{background:var(--promo);color:#fff}
.btn-promo:hover{color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(255,138,40,.32)}
.btn-ghost{background:transparent;border-color:var(--brand);color:var(--brand)}
.btn-ghost:hover{background:var(--brand-l);color:var(--brand-d);transform:translateY(-2px)}
.btn-ghost-light{background:transparent;border-color:rgba(255,255,255,.4);color:#fff}
.btn-ghost-light:hover{background:rgba(255,255,255,.1);color:#fff;transform:translateY(-2px)}
.btn-text{height:38px;padding:0 10px;color:var(--brand);background:transparent}
.btn-text:hover{color:var(--brand-d);background:var(--brand-l)}
.btn-sm{height:38px;padding:0 14px;font-size:14px}
.btn-block{width:100%}
.btn[disabled],.btn-brand[disabled]{opacity:.4;transform:none;box-shadow:none;cursor:not-allowed}
.pill{
  display:inline-flex;align-items:center;gap:6px;font-size:13px;line-height:1;
  padding:6px 12px;border-radius:var(--r-pill);font-weight:600;
}
.pill-brand{background:var(--brand-l);color:var(--brand-d)}
.pill-accent{background:var(--accent-l);color:#0E8C80}
.pill-promo{background:var(--promo-l);color:#C4600F}
.pill-neutral{background:#F2F0FA;color:var(--ink-2)}
.badge-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:18px}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:var(--dark);border-radius:24px;margin-top:6px}
.hero::before{
  content:"";position:absolute;width:620px;height:620px;left:-200px;top:-220px;
  background:radial-gradient(circle,rgba(106,61,232,.55),transparent 66%);pointer-events:none;
}
.hero::after{
  content:"";position:absolute;width:540px;height:540px;right:-160px;bottom:-220px;
  background:radial-gradient(circle,rgba(23,195,178,.34),transparent 66%);pointer-events:none;
}
.hero-inner{
  position:relative;z-index:2;display:grid;grid-template-columns:1.35fr 1fr;
  gap:44px;align-items:center;padding:64px 56px;min-height:560px;
}
.hero-title{font-size:40px;color:#fff;letter-spacing:.2px}
.hero-sub{font-size:20px;line-height:1.75;color:rgba(255,255,255,.76);margin:18px 0 28px;max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px}
.hero-meta{display:flex;flex-wrap:wrap;gap:22px;font-size:13px;color:rgba(255,255,255,.6)}
.hero-meta li{position:relative;padding-left:14px}
.hero-meta li::before{
  content:"";position:absolute;left:0;top:50%;width:6px;height:6px;margin-top:-3px;
  border-radius:2px;background:var(--accent);
}
.hero-figure{position:relative;border-radius:20px;overflow:hidden;min-height:320px;height:100%}
.hero-figure img{width:100%;height:100%;min-height:320px;object-fit:cover;border-radius:20px}
.figure-veil{
  position:absolute;inset:0;border-radius:20px;
  background:linear-gradient(160deg,rgba(18,14,40,.62) 0%,rgba(18,14,40,.08) 55%,rgba(18,14,40,.42) 100%);
}

/* ---------- 数据条 ---------- */
.stats{margin-top:-32px;position:relative;z-index:5;padding:0 24px}
.stats-inner{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow-1);display:grid;grid-template-columns:repeat(4,1fr);
}
.stat{padding:24px;text-align:center;border-right:1px solid var(--line)}
.stat:last-child{border-right:none}
.stat .num{display:block;font-size:24px;color:var(--brand-d);margin-bottom:4px}
.stat span{font-size:13px;color:var(--ink-3)}

/* ---------- 通用板块 ---------- */
.section{padding:80px 0}
.section.tight{padding-top:48px}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:14px;margin-bottom:32px}
.sec-title{font-size:28px}
.sec-desc{margin-top:10px;font-size:14px;color:var(--ink-2);max-width:620px}
.section.on-dark{background:var(--dark-2);color:#fff;border-radius:24px;padding:56px;margin-bottom:8px}
.section.on-dark .sec-title,.section.on-dark h2{color:#fff}

/* ---------- 优惠阶梯 ---------- */
.ladder{position:relative;display:flex;flex-direction:column;gap:18px;padding-left:8px}
.ladder::before{
  content:"";position:absolute;left:36px;top:18px;bottom:18px;width:2px;
  background:linear-gradient(180deg,var(--line),var(--brand-l) 45%,var(--brand));
}
.ladder-row{
  position:relative;display:flex;align-items:center;gap:20px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px 24px;box-shadow:var(--shadow-1);
  transition:transform 200ms ease,box-shadow 200ms ease,border-color 200ms ease;
}
.ladder-row:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.ladder-no{
  flex:0 0 56px;height:56px;border-radius:16px;background:var(--brand-l);color:var(--brand-d);
  display:flex;align-items:center;justify-content:center;font-size:28px;font-weight:700;
  font-variant-numeric:tabular-nums;position:relative;z-index:2;
}
.ladder-row:nth-child(2){border-color:#DED6FA}
.ladder-row:nth-child(3){border-color:#CDBFF6}
.ladder-row:nth-child(4){border-color:var(--brand)}
.ladder-body{flex:1;min-width:0}
.ladder-body h3{font-size:19px;font-weight:600;margin-bottom:6px}
.ladder-body p{margin:0;font-size:14px;color:var(--ink-2);line-height:1.75}

/* ---------- 套餐对比 ---------- */
.plan-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start}
.plan-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px 24px;box-shadow:var(--shadow-1);display:flex;flex-direction:column;
  transition:transform 200ms ease,box-shadow 200ms ease;
}
.plan-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.plan-card.recommend{border:2px solid var(--brand);margin-top:-10px;position:relative;padding-top:34px}
.plan-card.recommend::before{
  content:"推荐";position:absolute;top:-14px;left:24px;background:var(--grad);color:#fff;
  font-size:13px;font-weight:600;padding:5px 12px;border-radius:var(--r-pill);
}
.plan-name{font-size:18px;font-weight:600;margin-bottom:6px}
.plan-note{font-size:13px;color:var(--ink-3);margin-bottom:14px}
.plan-price{font-size:28px;color:var(--promo);font-variant-numeric:tabular-nums;font-weight:700;margin-bottom:6px}
.plan-price small{font-size:14px;color:var(--ink-3);font-weight:400;margin-left:6px}
.plan-list{margin:18px 0 24px;display:flex;flex-direction:column;gap:10px}
.plan-list li{position:relative;padding-left:22px;font-size:14px;color:var(--ink-2);line-height:1.7}
.plan-list li::before{
  content:"";position:absolute;left:2px;top:9px;width:8px;height:8px;border-radius:2px;background:var(--accent);
}
.plan-card .btn-brand,.plan-card .btn-ghost{margin-top:auto}

/* ---------- 限时入口 ---------- */
.flash{
  display:grid;grid-template-columns:auto 1fr auto;gap:32px;align-items:center;
  background:var(--dark-2);border-radius:24px;padding:36px 40px;color:#fff;
}
.countdown{display:flex;align-items:center;gap:10px}
.cd-box{
  width:64px;height:64px;border-radius:14px;background:rgba(106,61,232,.28);
  border:1px solid rgba(255,255,255,.14);display:flex;flex-direction:column;
  align-items:center;justify-content:center;
}
.cd-box b{font-size:28px;font-variant-numeric:tabular-nums;line-height:1;color:#fff}
.cd-box span{font-size:12px;color:rgba(255,255,255,.6);margin-top:4px}
.cd-colon{font-size:24px;color:rgba(255,255,255,.45);font-weight:700}
.flash-text h3{color:#fff;font-size:20px;margin-bottom:6px}
.flash-text p{margin:0;font-size:14px;color:rgba(255,255,255,.72)}
.btn-breath{animation:breathe 2.6s ease-in-out infinite}
@keyframes breathe{0%,100%{box-shadow:0 0 0 0 rgba(255,138,40,.34)}50%{box-shadow:0 0 0 12px rgba(255,138,40,0)}}

/* ---------- 最新信息 ---------- */
.news-grid{display:grid;grid-template-columns:1.15fr 1fr;gap:24px;align-items:start}
.news-main{
  display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform 200ms ease,box-shadow 200ms ease;
}
.news-main:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.news-main figure{margin:0;overflow:hidden}
.news-main img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:0;transition:transform 240ms ease}
.news-main:hover img{transform:scale(1.04)}
.news-main .body{padding:24px}
.news-main h3{font-size:20px;font-weight:600;margin:12px 0 10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-main p{font-size:14px;color:var(--ink-2);line-height:1.75;margin:0 0 16px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.meta-row{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--ink-3)}
.news-side{display:flex;flex-direction:column;gap:18px}
.news-mini{
  display:flex;gap:16px;align-items:flex-start;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-card);padding:18px;box-shadow:var(--shadow-1);
  transition:transform 200ms ease,box-shadow 200ms ease,border-color 200ms ease;
}
.news-mini:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#DCD3F8}
.news-mini img{width:80px;height:80px;flex:0 0 80px;object-fit:cover;border-radius:12px}
.news-mini .txt{min-width:0;flex:1}
.news-mini h4{
  font-size:15px;font-weight:600;line-height:1.6;margin:0 0 8px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-mini .meta-row{font-size:12px}
.empty-state{
  grid-column:1/-1;max-height:320px;background:var(--surface);border:1px dashed var(--line);
  border-radius:var(--r-card);padding:36px 24px;text-align:center;display:flex;
  flex-direction:column;align-items:center;justify-content:center;gap:14px;
}
.empty-art{
  width:240px;height:120px;border-radius:16px;background:var(--brand-l);
  display:flex;align-items:center;justify-content:center;color:var(--brand);font-size:32px;font-weight:700;
}
.empty-state p{margin:0;font-size:16px;color:var(--ink-2)}

/* ---------- 信任保障 ---------- */
.trust-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:start}
.trust-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px;box-shadow:var(--shadow-1);height:100%;
}
.guard-list{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:20px}
.guard-item{background:var(--bg);border:1px solid var(--line);border-radius:14px;padding:16px}
.guard-item b{display:block;font-size:15px;margin-bottom:6px}
.guard-item span{font-size:13px;color:var(--ink-2);line-height:1.7}
.voice-list{display:flex;flex-direction:column;gap:14px;margin-top:20px}
.voice{
  background:var(--brand-l);border-radius:14px;padding:16px 18px;
  border-left:4px solid var(--brand);
}
.voice p{margin:0 0 8px;font-size:14px;line-height:1.75;color:var(--ink)}
.voice span{font-size:12px;color:var(--ink-3)}

/* ---------- 表单 ---------- */
.consult-grid{display:grid;grid-template-columns:5fr 7fr;gap:40px;align-items:start}
.consult-points{display:flex;flex-direction:column;gap:16px;margin-top:22px}
.consult-points li{position:relative;padding-left:24px;font-size:15px;color:var(--ink-2);line-height:1.75}
.consult-points li::before{
  content:"";position:absolute;left:0;top:9px;width:10px;height:10px;border-radius:3px;background:var(--brand);
}
.form-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px;box-shadow:var(--shadow-1);
}
.field{margin-bottom:18px}
.field label{display:block;font-size:14px;color:var(--ink-2);margin-bottom:8px;font-weight:500}
.field .req{color:var(--promo);margin-left:4px}
.ctrl{
  width:100%;height:46px;border-radius:var(--r-input);border:1px solid var(--line);
  background:#fff;padding:0 14px;font-size:15px;color:var(--ink);
  transition:border-color 200ms ease,box-shadow 200ms ease;
}
textarea.ctrl{height:auto;min-height:110px;padding:12px 14px;line-height:1.75;resize:vertical}
.ctrl::placeholder{color:var(--ink-3)}
.ctrl:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-l)}
select.ctrl{
  appearance:none;-webkit-appearance:none;cursor:pointer;
  background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 16 16'%3E%3Cpath d='M3 6l5 5 5-5' fill='none' stroke='%2356506E' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 14px center;padding-right:38px;
}
.counter{display:block;text-align:right;font-size:12px;color:var(--ink-3);margin-top:6px}
.err{display:none;font-size:12px;color:var(--warn);margin-top:6px}
.field.invalid .ctrl{border-color:var(--warn)}
.field.invalid .err{display:block}
.check-row{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--ink-2);line-height:1.7;margin-bottom:20px}
.check-row input{width:18px;height:18px;margin-top:3px;accent-color:var(--brand);flex:0 0 18px}
.form-tip{margin-top:14px;font-size:12px;color:var(--ink-3);text-align:center}
.submit-state{display:none;margin-top:14px;font-size:14px;color:var(--ok);text-align:center}
.submit-state.show{display:block}

/* ---------- FAQ ---------- */
.faq{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:8px 24px;box-shadow:var(--shadow-1)}
.faq .accordion-item{border:none;background:transparent;border-bottom:1px solid var(--line)}
.faq .accordion-item:last-child{border-bottom:none}
.faq .accordion-button{
  position:relative;background:transparent;box-shadow:none;border:none;
  display:flex;align-items:center;width:100%;
  min-height:52px;padding:14px 44px 14px 16px;
  font-size:17px;font-weight:600;color:var(--ink);text-align:left;
  transition:color 200ms ease;
}
.faq .accordion-button::after{display:none}
.faq .accordion-button::before{
  content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;
  border-radius:2px;background:var(--line);transition:background 200ms ease;
}
.faq .accordion-button:not(.collapsed){color:var(--brand-d);background:transparent}
.faq .accordion-button:not(.collapsed)::before{background:var(--brand)}
.faq .accordion-button:hover{color:var(--brand)}
.acc-icon{position:absolute;right:14px;top:50%;width:14px;height:14px;margin-top:-7px}
.acc-icon::before,.acc-icon::after{content:"";position:absolute;background:var(--ink-3);border-radius:2px;transition:transform 200ms ease,background 200ms ease}
.acc-icon::before{left:0;top:6px;width:14px;height:2px}
.acc-icon::after{left:6px;top:0;width:2px;height:14px}
.accordion-button:not(.collapsed) .acc-icon::before{background:var(--brand)}
.accordion-button:not(.collapsed) .acc-icon::after{transform:scaleY(0)}
.faq .accordion-body{padding:0 16px 20px 16px;font-size:15px;line-height:1.85;color:var(--ink-2)}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--dark);border-radius:24px;padding:48px 40px;color:#fff;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;width:420px;height:420px;right:-140px;top:-200px;
  background:radial-gradient(circle,rgba(23,195,178,.3),transparent 66%);
}
.cta-band h2{font-size:26px;color:#fff;margin-bottom:10px}
.cta-band p{margin:0;font-size:15px;color:rgba(255,255,255,.72);max-width:560px}
.cta-band .btn-promo{position:relative;z-index:2}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:auto;background:var(--dark);color:rgba(255,255,255,.72);
  border-top:1px solid rgba(255,255,255,.08);position:relative;
}
.site-footer::before{
  content:"";position:absolute;top:-1px;left:0;right:0;height:1px;background:linear-gradient(90deg,var(--brand),var(--accent));
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:32px;padding:56px 0 32px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-title{font-size:15px;font-weight:600;color:#fff;margin-bottom:14px}
.footer-links{display:flex;flex-direction:column;gap:10px;font-size:14px}
.footer-links a{color:rgba(255,255,255,.7)}
.footer-links a:hover{color:#fff}
.footer-desc{font-size:14px;line-height:1.8;color:rgba(255,255,255,.62);margin:0}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);padding:18px 0 26px;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:12px;color:rgba(255,255,255,.55);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  :root{--side-w:200px}
  .hero-title{font-size:34px}
  .hero-inner{padding:52px 40px;gap:32px}
}
@media (max-width:991.98px){
  .side-nav{
    width:280px;transform:translateX(-100%);transition:transform 240ms ease;
    box-shadow:0 0 40px rgba(0,0,0,.4);
  }
  .side-nav.open{transform:translateX(0)}
  .app-main{margin-left:0}
  .mobile-bar{
    display:flex;position:sticky;top:0;height:56px;
    align-items:center;justify-content:space-between;
    background:var(--dark);color:#fff;padding:0 16px;z-index:1035;
  }
  .mobile-bar .brand-name{font-size:16px}
  .hero-inner{grid-template-columns:1fr;padding:40px 28px}
  .hero{min-height:auto}
  .hero-figure{min-height:260px}
  .hero-title{font-size:32px}
  .section{padding:64px 0}
  .plan-grid{grid-template-columns:1fr;max-width:520px;margin:0 auto}
  .plan-card.recommend{margin-top:0}
  .news-grid{grid-template-columns:1fr}
  .trust-grid{grid-template-columns:1fr}
  .consult-grid{grid-template-columns:1fr;gap:28px}
  .flash{grid-template-columns:1fr;gap:22px;padding:30px 26px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;padding:44px 0 26px}
}
@media (max-width:767.98px){
  .stats{padding:0 16px}
  .stats-inner{grid-template-columns:1fr 1fr}
  .stat:nth-child(2){border-right:none}
  .stat:nth-child(1),.stat:nth-child(2){border-bottom:1px solid var(--line)}
  .hero-title{font-size:28px}
  .hero-sub{font-size:17px}
  .sec-title{font-size:24px}
  .section.on-dark{padding:36px 24px}
  .ladder::before{display:none}
  .ladder-row{flex-wrap:wrap;gap:14px;padding:20px}
  .ladder-no{order:-1;flex:0 0 44px;height:44px;font-size:22px;border-radius:12px}
  .guard-list{grid-template-columns:1fr}
  .cta-band{padding:34px 24px}
  .cta-band h2{font-size:22px}
}
@media (max-width:575.98px){
  .wrap{padding:0 16px}
  .hero-inner{padding:32px 20px}
  .hero-title{font-size:26px}
  .hero-actions{gap:10px}
  .hero-actions .btn-brand,.hero-actions .btn-ghost{width:100%}
  .section{padding:48px 0}
  .section-head{margin-bottom:22px}
  .news-mini img{width:68px;height:68px;flex:0 0 68px}
  .form-card{padding:20px}
  .faq{padding:6px 16px}
  .faq .accordion-button{font-size:16px}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .cd-box{width:56px;height:56px}
  .cd-box b{font-size:24px}
}

/* roulang page: article */
:root{
  --brand:#6A3DE8;--brand-d:#4E22C4;--brand-l:#EFEAFF;
  --accent:#17C3B2;--accent-l:#E4FAF7;
  --promo:#FF8A28;--promo-l:#FFF1E3;
  --dark:#120E28;--dark-2:#1D1740;
  --ink:#171331;--ink-2:#56506E;--ink-3:#8A85A0;
  --line:#E6E2F5;--bg:#FAF9FF;--surface:#FFFFFF;
  --ok:#1FA971;--warn:#E5484D;
  --shadow-1:0 2px 4px rgba(23,19,49,.04),0 10px 28px rgba(23,19,49,.07);
  --shadow-2:0 6px 12px rgba(23,19,49,.07),0 18px 40px rgba(106,61,232,.16);
  --r-card:18px;--r-btn:12px;--r-img:14px;
  --side-w:240px;
  --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,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:1.85;color:var(--ink);
  background:var(--bg);-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand)}
button,input,select,textarea{font-family:inherit;font-size:inherit}
a:focus-visible,button:focus-visible,[tabindex]:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
h1,h2,h3,h4{margin:0;line-height:1.3;color:var(--ink)}
p{margin:0}
ul,ol{margin:0}
.num{font-variant-numeric:tabular-nums;font-weight:700}

/* ============ 左侧竖向导航 ============ */
.side-nav{
  position:fixed;top:0;left:0;bottom:0;width:var(--side-w);z-index:1040;
  background:var(--dark);display:flex;flex-direction:column;gap:16px;
  padding:22px 16px 20px;overflow-y:auto;border-right:1px solid rgba(255,255,255,.06);
}
.side-nav::-webkit-scrollbar{width:6px}
.side-nav::-webkit-scrollbar-thumb{background:rgba(255,255,255,.14);border-radius:6px}
.side-brand{display:flex;align-items:center;gap:10px;padding:2px 6px 16px;border-bottom:1px solid rgba(255,255,255,.08)}
.brand-mark{
  width:36px;height:36px;border-radius:12px;flex:none;display:grid;place-items:center;
  background:linear-gradient(120deg,var(--brand) 0%,var(--accent) 100%);
  color:#fff;font-size:18px;font-weight:700;line-height:1;
}
.brand-name{font-size:18px;font-weight:700;color:#fff;letter-spacing:.4px;white-space:nowrap}
.side-links{display:flex;flex-direction:column;gap:4px;margin-top:4px}
.side-link{
  position:relative;display:flex;align-items:center;height:44px;padding:0 12px 0 16px;
  border-radius:10px;color:rgba(255,255,255,.72);font-size:15px;transition:background .2s ease,color .2s ease;
}
.side-link::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:0;border-radius:3px;background:var(--accent);transition:height .2s ease;
}
.side-link:hover{background:rgba(255,255,255,.06);color:#fff}
.side-link:hover::before{height:22px}
.side-link.active{background:rgba(255,255,255,.06);color:#fff;font-weight:600}
.side-link.active::before{height:22px}
.side-card{
  margin-top:auto;border:1px solid rgba(255,255,255,.14);border-radius:14px;
  padding:14px;background:rgba(255,255,255,.04);
}
.side-card-t{font-size:14px;font-weight:600;color:#fff;margin-bottom:6px}
.side-card-d{font-size:12.5px;line-height:1.7;color:rgba(255,255,255,.62);margin-bottom:12px}
.side-foot{font-size:12px;line-height:1.7;color:rgba(255,255,255,.55);padding:0 6px}

/* ============ 按钮 / 徽章 ============ */
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 20px;
  border:0;border-radius:var(--r-btn);cursor:pointer;color:#fff;font-size:15px;font-weight:600;
  background:linear-gradient(120deg,var(--brand) 0%,var(--accent) 100%);
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
}
.btn-brand:hover{color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-2);filter:brightness(1.04)}
.btn-brand:active{transform:none}
.btn-sm{height:38px;padding:0 14px;font-size:14px;border-radius:10px}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 20px;
  border:1.5px solid var(--brand);border-radius:var(--r-btn);color:var(--brand);background:transparent;
  font-size:15px;font-weight:600;cursor:pointer;transition:transform .2s ease,background .2s ease,box-shadow .2s ease;
}
.btn-ghost:hover{background:var(--brand-l);color:var(--brand-d);transform:translateY(-2px)}
.badge{
  display:inline-flex;align-items:center;height:26px;padding:0 10px;border-radius:999px;
  font-size:13px;font-weight:600;line-height:1;
}
.badge-brand{background:var(--brand-l);color:var(--brand-d)}
.badge-accent{background:var(--accent-l);color:#0E8A7E}
.badge-promo{background:var(--promo-l);color:#C1601A}
.badge-mute{background:#F2F0FA;color:var(--ink-2)}

/* ============ 顶部移动导航 / 抽屉 ============ */
.mobile-top{
  display:none;position:sticky;top:0;z-index:1030;height:56px;align-items:center;justify-content:space-between;
  padding:0 16px;background:var(--dark);box-shadow:0 6px 18px rgba(18,14,40,.18);
}
.m-brand{display:flex;align-items:center;gap:10px;color:#fff}
.m-brand .brand-mark{width:32px;height:32px;border-radius:10px;font-size:16px}
.m-brand .brand-name{font-size:17px}
.m-burger{
  width:42px;height:42px;border:0;border-radius:10px;background:transparent;cursor:pointer;
  display:flex;flex-direction:column;justify-content:center;gap:5px;padding:0 9px;
}
.m-burger span{display:block;height:2px;border-radius:2px;background:#fff;transition:transform .2s ease}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(86vw,340px);z-index:1055;background:var(--dark);
  transform:translateX(101%);transition:transform .28s ease;display:flex;flex-direction:column;
  padding:20px 18px;overflow-y:auto;
}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid rgba(255,255,255,.1);margin-bottom:12px}
.drawer-close{width:38px;height:38px;border:0;border-radius:10px;background:rgba(255,255,255,.08);color:#fff;cursor:pointer;font-size:16px}
.drawer-links{display:flex;flex-direction:column}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;height:52px;font-size:17px;
  color:rgba(255,255,255,.85);border-bottom:1px solid rgba(255,255,255,.06);
}
.drawer-link.active{color:#fff;font-weight:600}
.drawer-link i{color:var(--accent);font-size:14px}
.drawer-foot{margin-top:auto;padding-top:20px}
.drawer-foot .btn-brand{width:100%}
.drawer-mask{
  position:fixed;inset:0;z-index:1050;background:rgba(18,14,40,.6);backdrop-filter:blur(4px);
  opacity:0;visibility:hidden;transition:opacity .28s ease,visibility .28s ease;
}
.drawer-mask.open{opacity:1;visibility:visible}
body.lock{overflow:hidden}

/* ============ 主内容骨架 ============ */
.shell{margin-left:var(--side-w);padding:8px 32px 0}
.inner{max-width:1280px;margin:0 auto}
.crumb{
  display:flex;align-items:center;gap:8px;height:44px;font-size:13px;color:var(--ink-3);
  white-space:nowrap;overflow:hidden;
}
.crumb a{color:var(--ink-3)}
.crumb a:hover{color:var(--brand)}
.crumb .sep{color:#C9C4DD}
.crumb .cur{color:var(--ink-2);max-width:360px;overflow:hidden;text-overflow:ellipsis}

/* ============ 文章布局 ============ */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:32px;padding-bottom:8px;align-items:start}
@media(min-width:1200px){
  .article-layout{grid-template-columns:minmax(0,1fr) 300px}
}
.article-main{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:40px 44px 40px;box-shadow:var(--shadow-1);min-width:0;
}
.article-head{padding-bottom:22px;border-bottom:1px solid var(--line)}
.article-head h1{font-size:32px;font-weight:700;line-height:1.4;margin:14px 0 14px;letter-spacing:.2px}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:8px 14px;font-size:13px;color:var(--ink-3)}
.meta-row .dot{color:#CFCADE}
.meta-row i{color:var(--ink-3);margin-right:5px}
.meta-row time{font-variant-numeric:tabular-nums}

/* ============ 正文排版 ============ */
.article-body{max-width:780px;margin:26px auto 0;font-size:16px;line-height:1.9;color:#2A2545}
.article-body>p{margin:0 0 1.25em}
.article-body h2{
  position:relative;font-size:22px;font-weight:700;color:var(--ink);
  margin:34px 0 14px;padding-left:14px;line-height:1.42;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.3em;width:4px;height:1.02em;
  border-radius:2px;background:var(--brand);
}
.article-body h3{font-size:18px;font-weight:700;color:var(--brand-d);margin:24px 0 10px}
.article-body ul,.article-body ol{padding-left:1.5em;margin:0 0 1.25em}
.article-body li{margin:6px 0}
.article-body ul li::marker{color:var(--accent);font-size:1.1em}
.article-body ol li::marker{color:var(--brand);font-weight:700}
.article-body blockquote{
  margin:20px 0;padding:16px 18px;background:var(--brand-l);
  border-left:4px solid var(--brand);border-radius:0 12px 12px 0;color:var(--ink-2);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body a{color:var(--brand-d);border-bottom:1px solid rgba(106,61,232,.4)}
.article-body a:hover{color:var(--brand);border-bottom-color:var(--brand)}
.article-body img{border-radius:var(--r-img);margin:18px auto}
.article-body figure{margin:20px 0}
.article-body figcaption{font-size:13px;color:var(--ink-3);text-align:center;margin-top:8px}
.article-body table{
  width:100%;border-collapse:collapse;margin:20px 0;font-size:15px;display:block;overflow-x:auto;
}
.article-body th{background:var(--dark);color:#fff;font-weight:600;padding:12px 14px;text-align:left;white-space:nowrap}
.article-body td{padding:12px 14px;border-bottom:1px solid var(--line);vertical-align:top}
.article-body tbody tr:hover td{background:rgba(239,234,255,.55)}
.article-body code{background:#F2F0FA;color:var(--brand-d);padding:2px 6px;border-radius:6px;font-size:14px}
.article-body pre{background:var(--dark);color:#E7E3FF;padding:18px;border-radius:12px;overflow-x:auto;line-height:1.7;font-size:14px}
.article-body pre code{background:none;color:inherit;padding:0}

/* 空态 */
.empty-state{text-align:center;padding:36px 16px;max-width:420px;margin:0 auto}
.empty-pic{
  width:96px;height:96px;margin:0 auto 16px;border-radius:22px;background:var(--brand-l);
  display:grid;place-items:center;color:var(--brand);font-size:34px;
}
.empty-state p{font-size:16px;color:var(--ink-2);margin-bottom:18px}

/* 引导卡 */
.guide-card{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:18px;
  background:var(--brand-l);border:1px solid #DCD4F8;border-radius:16px;
  padding:20px 22px;margin:34px 0 0;max-width:780px;
}
.guide-card .gc-t{font-size:17px;font-weight:600;color:var(--ink);margin-bottom:4px}
.guide-card .gc-d{font-size:14px;color:var(--ink-2);line-height:1.7}

/* 标签与返回 */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin:30px 0 0;padding-top:24px;border-top:1px solid var(--line);max-width:780px}
.tag{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:999px;
  border:1px solid var(--line);background:#fff;font-size:13px;color:var(--ink-2);
  transition:background .2s ease,border-color .2s ease,color .2s ease;
}
.tag:hover{background:var(--brand-l);border-color:#DCD4F8;color:var(--brand-d)}
.back-row{display:flex;flex-wrap:wrap;gap:22px;margin-top:22px}
.link-back{display:inline-flex;align-items:center;gap:7px;font-size:14px;color:var(--ink-2)}
.link-back i{color:var(--accent)}
.link-back:hover{color:var(--brand)}

/* ============ 继续浏览 ============ */
.section{margin-top:52px}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:12px;margin-bottom:22px}
.section-title{font-size:24px;font-weight:700}
.section-sub{font-size:14px;color:var(--ink-3);margin-top:6px}
.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.card-x{
  display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.card-x:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#DCD4F8}
.card-x .thumb{aspect-ratio:16/10;background:var(--brand-l);overflow:hidden}
.card-x .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .24s ease}
.card-x:hover .thumb img{transform:scale(1.04)}
.card-x .body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-x h3{font-size:17px;font-weight:600;line-height:1.5}
.card-x .card-desc{font-size:14px;color:var(--ink-2);line-height:1.75}
.card-x .card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--ink-3)}
.card-x .card-foot .go{color:var(--brand);font-weight:600}
.card-x .card-foot .go i{margin-left:4px;font-size:12px}

/* ============ 侧栏 ============ */
.article-side{display:none}
@media(min-width:1200px){.article-side{display:block}}
.side-sticky{position:sticky;top:24px;display:flex;flex-direction:column;gap:18px}
.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:20px;box-shadow:var(--shadow-1)}
.panel-title{display:flex;align-items:center;gap:9px;font-size:15px;font-weight:700;margin-bottom:14px}
.panel-title::before{content:"";width:4px;height:16px;border-radius:2px;background:var(--brand)}
.panel-list{list-style:none;padding:0;display:flex;flex-direction:column;gap:2px}
.panel-list a{
  display:flex;align-items:center;justify-content:space-between;padding:10px 10px;
  border-radius:10px;font-size:14px;color:var(--ink-2);
}
.panel-list a:hover{background:var(--brand-l);color:var(--brand-d)}
.panel-list i{font-size:12px;color:var(--ink-3)}
.panel p{font-size:13.5px;line-height:1.8;color:var(--ink-2);margin-bottom:14px}
.panel .btn-brand{width:100%}
.panel-dark{background:var(--dark);border-color:rgba(255,255,255,.08)}
.panel-dark .panel-title{color:#fff}
.panel-dark p{color:rgba(255,255,255,.66)}

/* ============ 咨询区 ============ */
.consult{
  position:relative;overflow:hidden;margin-top:56px;border-radius:22px;background:var(--dark);
  padding:44px;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:36px;
}
.consult::before,.consult::after{content:"";position:absolute;border-radius:50%;pointer-events:none}
.consult::before{width:360px;height:360px;top:-140px;left:-100px;background:radial-gradient(circle,rgba(106,61,232,.55),transparent 68%)}
.consult::after{width:320px;height:320px;bottom:-160px;right:-80px;background:radial-gradient(circle,rgba(23,195,178,.42),transparent 68%)}
.consult>*{position:relative;z-index:1}
.consult h2{color:#fff;font-size:27px;line-height:1.4;margin-bottom:14px}
.consult .lead{color:rgba(255,255,255,.7);font-size:15px;line-height:1.85;margin-bottom:22px}
.consult-points{list-style:none;padding:0;display:flex;flex-direction:column;gap:12px}
.consult-points li{display:flex;gap:10px;font-size:14px;color:rgba(255,255,255,.78);line-height:1.7}
.consult-points i{color:var(--accent);margin-top:5px}
.consult-note{margin-top:22px;font-size:13px;color:rgba(255,255,255,.5)}
.form-card{background:var(--surface);border-radius:18px;padding:26px}
.field{margin-bottom:16px}
.field label{display:block;font-size:14px;color:var(--ink-2);margin-bottom:8px}
.req{color:var(--promo);margin-left:2px}
.input,select.input,textarea.input{
  width:100%;border:1px solid var(--line);border-radius:12px;background:#fff;color:var(--ink);
  font-size:15px;transition:border-color .2s ease,box-shadow .2s ease;
}
.input{height:46px;padding:0 14px}
textarea.input{height:auto;padding:12px 14px;line-height:1.75;resize:vertical;min-height:104px}
.input::placeholder{color:var(--ink-3)}
.input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-l)}
select.input{
  appearance:none;-webkit-appearance:none;
  background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%2356506E' stroke-width='2.4' stroke-linecap='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 14px center;padding-right:38px;
}
.counter{font-size:12px;color:var(--ink-3);text-align:right;margin-top:6px}
.check{display:flex;align-items:flex-start;gap:9px;font-size:13.5px;color:var(--ink-2);line-height:1.7}
.check input{width:16px;height:16px;margin-top:4px;accent-color:var(--brand);flex:none}
.form-card .btn-brand{width:100%;margin-top:6px}
.form-tip{
  display:none;margin-top:12px;font-size:13.5px;color:var(--ok);background:rgba(31,169,113,.08);
  border:1px solid rgba(31,169,113,.25);border-radius:10px;padding:10px 12px;
}
.form-tip.show{display:block}

/* ============ 页脚 ============ */
.site-footer{position:relative;margin-left:var(--side-w);margin-top:64px;background:var(--dark);color:rgba(255,255,255,.72)}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,var(--brand),var(--accent),transparent);
}
.site-footer .wrap{max-width:1280px;margin:0 auto;padding:56px 32px 24px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-title{font-size:15px;font-weight:700;color:#fff;margin-bottom:14px}
.footer-desc{font-size:13.5px;line-height:1.85;color:rgba(255,255,255,.6)}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.66)}
.footer-links a:hover{color:#fff}
.footer-bottom{
  margin-top:40px;padding-top:18px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;font-size:12px;color:rgba(255,255,255,.5);
}

/* ============ 断点 ============ */
@media(max-width:1199.98px){
  .shell{padding:8px 24px 0}
  .article-main{padding:34px 32px}
}
@media(max-width:991.98px){
  .side-nav{display:none}
  .mobile-top{display:flex}
  .shell{margin-left:0;padding:0 18px}
  .site-footer{margin-left:0}
  .site-footer .wrap{padding:44px 18px 20px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .consult{grid-template-columns:minmax(0,1fr);padding:32px 26px;gap:28px}
  .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .consult h2{font-size:23px}
}
@media(max-width:767.98px){
  .article-main{padding:24px 20px;border-radius:16px}
  .article-head h1{font-size:26px}
  .article-body h2{font-size:20px}
  .article-body h3{font-size:17px}
  .crumb .cur{max-width:180px}
}
@media(max-width:575.98px){
  .rel-grid{grid-template-columns:minmax(0,1fr);gap:16px}
  .footer-grid{grid-template-columns:1fr}
  .shell{padding:0 14px}
  .consult{padding:26px 18px;border-radius:18px}
  .form-card{padding:20px}
  .guide-card{padding:18px}
  .card-x .body{padding:16px 16px 18px}
}

/* roulang page: category1 */
:root{
  --brand:#6A3DE8; --brand-d:#4E22C4; --brand-l:#EFEAFF;
  --accent:#17C3B2; --accent-l:#E4FAF7;
  --promo:#FF8A28; --promo-l:#FFF1E3;
  --dark:#120E28; --dark-2:#1D1740;
  --ink:#171331; --ink-2:#56506E; --ink-3:#8A85A0;
  --line:#E6E2F5; --bg:#FAF9FF; --surface:#FFFFFF;
  --ok:#1FA971; --warn:#E5484D;
  --shadow-1:0 2px 4px rgba(23,19,49,.04),0 10px 28px rgba(23,19,49,.07);
  --shadow-2:0 6px 12px rgba(23,19,49,.07),0 18px 40px rgba(106,61,232,.16);
  --r-card:18px; --r-btn:12px; --r-img:14px;
  --side-w:240px;
  --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;font-family:var(--font-cn);font-size:16px;line-height:1.85;color:var(--ink);
  background:var(--bg);-webkit-font-smoothing:antialiased;
}
body.no-scroll{overflow:hidden}
img{max-width:100%;display:block;border-radius:var(--r-img)}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease}
a:hover{color:var(--brand)}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:700;color:var(--ink)}
h1{font-size:40px}
h2{font-size:28px}
h3{font-size:20px;font-weight:600}
p{margin:0 0 1.1em}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--brand);color:#fff;padding:10px 16px;border-radius:0 0 10px 0;z-index:200}
.skip-link:focus{left:0}
.wrap{max-width:1200px;margin:0 auto;padding:0 24px}

/* ============ 左侧竖向导航 ============ */
.side-nav{
  position:fixed;top:0;left:0;width:var(--side-w);height:100vh;background:var(--dark);
  padding:24px 18px 18px;display:flex;flex-direction:column;gap:22px;overflow-y:auto;z-index:60;
}
.brand{display:flex;align-items:center;gap:10px;padding:2px 4px 0}
.brand-mark{
  width:38px;height:38px;border-radius:12px;flex:0 0 38px;display:grid;place-items:center;
  background:linear-gradient(120deg,#6A3DE8 0%,#17C3B2 130%);color:#fff;font-size:18px;font-weight:700;
}
.brand-name{color:#fff;font-size:18px;font-weight:700;letter-spacing:.4px;white-space:nowrap}
.side-links{display:flex;flex-direction:column;gap:4px}
.side-link{
  position:relative;display:flex;align-items:center;height:44px;padding:0 12px 0 16px;
  border-radius:10px;color:rgba(255,255,255,.72);font-size:15px;transition:background .2s ease,color .2s ease;
}
.side-link::before{
  content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;border-radius:2px;background:transparent;transition:background .2s ease;
}
.side-link:hover{background:rgba(255,255,255,.06);color:#fff}
.side-link:hover::before{background:var(--accent)}
.side-link.active{background:rgba(255,255,255,.08);color:#fff;font-weight:600}
.side-link.active::before{background:var(--accent)}
.side-contact{
  margin-top:auto;border:1px solid rgba(255,255,255,.14);border-radius:14px;padding:16px;
  background:rgba(255,255,255,.03);
}
.sc-title{color:#fff;font-size:15px;font-weight:600;margin-bottom:6px}
.sc-desc{color:rgba(255,255,255,.62);font-size:13px;line-height:1.7;margin-bottom:12px}
.sc-note{color:rgba(255,255,255,.45);font-size:12px;line-height:1.6;margin-top:10px}
.side-copy{color:rgba(255,255,255,.55);font-size:12px;line-height:1.7}

/* ============ 移动端顶部导航 + 抽屉 ============ */
.mobile-topbar{
  display:none;position:sticky;top:0;z-index:70;height:56px;background:var(--dark);
  align-items:center;justify-content:space-between;padding:0 16px;
}
.m-brand{display:flex;align-items:center;gap:9px}
.m-brand .brand-mark{width:32px;height:32px;flex:0 0 32px;border-radius:10px;font-size:16px}
.m-brand .brand-name{font-size:17px}
.hamburger{
  width:40px;height:40px;border-radius:10px;border:1px solid rgba(255,255,255,.2);
  background:rgba(255,255,255,.06);color:#fff;font-size:17px;display:grid;place-items:center;
}
.hamburger:hover{background:rgba(255,255,255,.12)}
.drawer{
  position:fixed;inset:0;z-index:90;background:var(--dark);display:flex;flex-direction:column;
  padding:18px 20px 28px;transform:translateY(-102%);transition:transform .3s ease;overflow-y:auto;
}
.drawer.open{transform:translateY(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;height:52px;font-size:17px;
  color:rgba(255,255,255,.86);border-bottom:1px solid rgba(255,255,255,.08);
}
.drawer-link.active{color:#fff;font-weight:600}
.drawer-link i{color:var(--accent);font-size:14px}
.drawer-foot{margin-top:auto;padding-top:22px}
.drawer-mask{
  position:fixed;inset:0;z-index:80;background:rgba(18,14,40,.6);backdrop-filter:blur(4px);
  opacity:0;pointer-events:none;transition:opacity .2s ease;
}
.drawer-mask.show{opacity:1;pointer-events:auto}

/* ============ 内容区 ============ */
.content-area{margin-left:var(--side-w);min-height:100vh;display:flex;flex-direction:column;background:var(--bg)}
.crumb{
  height:44px;display:flex;align-items:center;gap:8px;padding:0 32px;font-size:13px;
  color:var(--ink-3);background:var(--surface);border-bottom:1px solid var(--line);
}
.crumb a{color:var(--ink-3)}
.crumb a:hover{color:var(--brand);border-bottom:1px solid var(--brand)}
.crumb .sep{color:#C9C4DC}
.crumb .cur{color:var(--ink-2)}
main{flex:1 1 auto}

/* ============ Hero ============ */
.hero{position:relative;overflow:hidden;background:var(--dark);color:#fff}
.hero-bg{
  position:absolute;inset:0;background-image:
    linear-gradient(100deg,rgba(18,14,40,.96) 0%,rgba(18,14,40,.86) 45%,rgba(18,14,40,.58) 100%),
    url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
}
.hero-inner{position:relative;padding:70px 0 62px}
.hero h1{color:#fff;font-size:40px;margin-bottom:14px}
.hero-lead{font-size:19px;color:rgba(255,255,255,.78);max-width:660px;line-height:1.8;margin-bottom:22px}
.badge-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:18px}
.pill{
  display:inline-flex;align-items:center;gap:6px;height:30px;padding:0 14px;border-radius:999px;
  font-size:13px;font-weight:600;letter-spacing:.2px;
}
.pill-promo{background:var(--promo-l);color:#A24F00}
.pill-accent{background:var(--accent-l);color:#0B7A6E}
.pill-ghost{background:rgba(255,255,255,.1);color:rgba(255,255,255,.88);border:1px solid rgba(255,255,255,.18)}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:24px}
.hero-meta{display:flex;flex-wrap:wrap;gap:22px;font-size:13px;color:rgba(255,255,255,.62)}
.hero-meta span{display:inline-flex;align-items:center;gap:7px}
.hero-meta i{color:var(--accent)}

/* ============ 按钮 ============ */
.btn-brand,.btn-ghost,.btn-text{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:600;
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease,background .2s ease,color .2s ease;
}
.btn-brand{
  height:46px;padding:0 22px;border-radius:var(--r-btn);border:none;font-size:15px;color:#fff;
  background:linear-gradient(120deg,#6A3DE8 0%,#17C3B2 130%);
}
.btn-brand:hover{color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-2);filter:brightness(1.04)}
.btn-brand:active{transform:translateY(0)}
.btn-ghost{
  height:46px;padding:0 20px;border-radius:var(--r-btn);border:1.5px solid var(--brand);
  color:var(--brand);background:transparent;font-size:15px;
}
.btn-ghost:hover{background:var(--brand-l);color:var(--brand);transform:translateY(-2px)}
.btn-ghost.on-dark{border-color:rgba(255,255,255,.5);color:#fff}
.btn-ghost.on-dark:hover{background:rgba(255,255,255,.12);color:#fff}
.btn-sm{height:38px;padding:0 16px;font-size:14px;border-radius:10px}
.btn-block{width:100%}
.btn-text{color:var(--brand);font-size:14px;padding:0;background:none;border:none}
.btn-text:hover{color:var(--brand-d)}
.btn-text:hover i{transform:translateX(3px)}
.btn-text i{transition:transform .2s ease}
.btn-promo{background:var(--promo);color:#fff;border:none;height:46px;padding:0 22px;border-radius:var(--r-btn);font-weight:600}
.btn-promo:hover{color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-2);filter:brightness(1.05)}

/* ============ 锚点筛选条 ============ */
.anchor-bar{
  position:sticky;top:0;z-index:40;background:rgba(255,255,255,.93);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.anchor-bar .wrap{display:flex;align-items:center;gap:10px;padding-top:12px;padding-bottom:12px;overflow-x:auto}
.anchor-pill{
  height:38px;padding:0 18px;border-radius:999px;border:1px solid var(--line);background:#fff;
  color:var(--ink-2);font-size:14px;display:inline-flex;align-items:center;white-space:nowrap;
}
.anchor-pill:hover{border-color:var(--brand);color:var(--brand)}
.anchor-pill.active{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:600}

/* ============ 板块与卡片 ============ */
.section{padding:56px 0}
.section-head{max-width:760px;margin-bottom:26px}
.section-head h2{margin-bottom:10px;position:relative;padding-left:16px}
.section-head h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:2px;
  background:linear-gradient(180deg,#6A3DE8,#17C3B2);
}
.section-head p{color:var(--ink-2);font-size:15px}
.panel{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--shadow-1);transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.panel-hover:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#DAD3F7}
.tag{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;
  font-size:13px;font-weight:600;line-height:1;
}
.tag-brand{background:var(--brand-l);color:var(--brand)}
.tag-accent{background:var(--accent-l);color:#0B7A6E}
.tag-promo{background:var(--promo-l);color:#A24F00}
.tag-neutral{background:#F2F1F8;color:var(--ink-2)}
.tag-ok{background:#E8F7F0;color:var(--ok)}
.chip-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:12px}
.meta{font-size:13px;color:var(--ink-3)}

/* ============ 双栏 ============ */
.content-grid{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:28px;align-items:start;padding-top:44px}
.main-col{display:flex;flex-direction:column;gap:28px;min-width:0}
.side-col{display:flex;flex-direction:column;gap:20px;position:sticky;top:78px}

/* 开服时段行 */
.server-panel{padding:12px 24px}
.row-line{
  display:grid;grid-template-columns:96px minmax(0,1fr) auto;gap:18px;align-items:center;
  padding:18px 0;border-bottom:1px dashed var(--line);
}
.row-line:last-child{border-bottom:none}
.time-box{display:flex;flex-direction:column;align-items:center;justify-content:center;
  background:var(--brand-l);border-radius:14px;padding:10px 6px;}
.time-box .t-main{font-size:22px;font-weight:700;color:var(--brand);font-variant-numeric:tabular-nums;line-height:1.2}
.time-box .t-sub{font-size:12px;color:var(--ink-2);margin-top:2px}
.row-body h3{font-size:18px;margin-bottom:6px}
.row-body p{font-size:14px;color:var(--ink-2);margin-bottom:0}
.row-side{display:flex;flex-direction:column;align-items:flex-end;gap:8px}

/* 礼包卡片 */
.gift-list{display:flex;flex-direction:column;gap:20px}
.gift-card{display:grid;grid-template-columns:190px minmax(0,1fr);gap:22px;padding:20px}
.gift-cover{overflow:hidden;border-radius:var(--r-img);background:var(--brand-l);min-height:150px}
.gift-cover img{width:100%;height:100%;object-fit:cover;transition:transform .24s ease}
.gift-card:hover .gift-cover img{transform:scale(1.04)}
.gift-body h3{margin-bottom:8px;font-size:19px}
.gift-body p{font-size:14px;color:var(--ink-2);margin-bottom:12px}
.dot-list li{position:relative;padding-left:18px;font-size:14px;color:var(--ink-2);line-height:1.75}
.dot-list li::before{
  content:"";position:absolute;left:0;top:11px;width:6px;height:6px;border-radius:2px;background:var(--accent);
}
.gift-foot{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  margin-top:16px;padding-top:16px;border-top:1px solid var(--line)}

/* 核对清单 */
.check-list li{display:flex;gap:12px;padding:14px 0;border-bottom:1px dashed var(--line);font-size:15px;color:var(--ink-2)}
.check-list li:last-child{border-bottom:none}
.check-list i{color:var(--accent);margin-top:6px;font-size:15px}

/* 侧栏 */
.box-title{font-size:16px;font-weight:700;color:var(--ink);margin-bottom:14px;padding-left:12px;position:relative}
.box-title::before{content:"";position:absolute;left:0;top:4px;bottom:4px;width:3px;border-radius:2px;background:var(--brand)}
.anchor-list{display:flex;flex-direction:column;gap:2px}
.anchor-list a{
  display:flex;align-items:center;justify-content:space-between;height:40px;padding:0 12px;
  border-radius:10px;font-size:14px;color:var(--ink-2);
}
.anchor-list a:hover{background:var(--brand-l);color:var(--brand)}
.anchor-list a i{font-size:11px;color:var(--ink-3);transition:transform .2s ease}
.anchor-list a:hover i{transform:translateX(3px);color:var(--brand)}
.consult-card{
  background:linear-gradient(150deg,#1D1740 0%,#120E28 100%);border-color:#2C2456;color:#fff;
}
.consult-card .box-title{color:#fff}
.consult-card .box-title::before{background:var(--accent)}
.consult-card p{color:rgba(255,255,255,.7);font-size:14px;margin-bottom:16px}
.mini-note{font-size:12px;color:rgba(255,255,255,.5);margin-top:12px;line-height:1.6}

/* FAQ */
.faq-list{display:flex;flex-direction:column}
.faq-item{position:relative;border-bottom:1px solid var(--line);padding-left:16px}
.faq-item::before{
  content:"";position:absolute;left:0;top:16px;bottom:16px;width:3px;border-radius:2px;background:var(--line);
  transition:background .2s ease;
}
.faq-item.open::before{background:var(--brand)}
.faq-q{
  width:100%;min-height:52px;display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:none;border:0;padding:14px 0;font-size:16px;font-weight:600;color:var(--ink);text-align:left;
}
.faq-q:hover{color:var(--brand)}
.faq-ico{
  width:22px;height:22px;flex:0 0 22px;border-radius:50%;border:1px solid var(--line);
  display:grid;place-items:center;font-size:13px;color:var(--ink-3);transition:all .2s ease;
}
.faq-ico::before{content:"+"}
.faq-item.open .faq-ico{background:var(--brand);border-color:var(--brand);color:#fff}
.faq-item.open .faq-ico::before{content:"−"}
.faq-a{display:none;padding:0 0 20px 0;font-size:15px;line-height:1.85;color:var(--ink-2)}
.faq-item.open .faq-a{display:block}
.faq-narrow .faq-item{padding-left:14px}
.faq-narrow .faq-q{font-size:14.5px;padding:12px 0;min-height:44px}
.faq-narrow .faq-a{font-size:14px;padding-bottom:16px}

/* CTA / 表单 */
.cta-band{
  background:linear-gradient(140deg,#1D1740 0%,#120E28 72%);border-radius:24px;padding:40px;
  display:grid;grid-template-columns:minmax(0,1fr) 400px;gap:36px;align-items:start;color:#fff;
  border:1px solid #2C2456;
}
.cta-band h2{color:#fff;margin-bottom:12px}
.cta-band .lead{color:rgba(255,255,255,.72);font-size:15px;margin-bottom:18px}
.cta-points li{display:flex;gap:10px;color:rgba(255,255,255,.78);font-size:14.5px;padding:7px 0}
.cta-points i{color:var(--accent);margin-top:6px;font-size:14px}
.cta-meta{margin-top:18px;font-size:13px;color:rgba(255,255,255,.5)}
.form-card{background:#fff;border-radius:var(--r-card);padding:24px;box-shadow:var(--shadow-1)}
.form-card .field{margin-bottom:16px}
.form-card label{display:block;font-size:14px;color:var(--ink-2);margin-bottom:7px;font-weight:500}
.req{color:var(--promo)}
.form-control,.form-select{
  width:100%;height:46px;border-radius:12px;border:1px solid var(--line);background:#fff;
  font-size:15px;color:var(--ink);padding:0 14px;transition:border-color .2s ease,box-shadow .2s ease;
}
textarea.form-control{height:auto;min-height:104px;padding:12px 14px;line-height:1.7;resize:vertical}
.form-control::placeholder{color:var(--ink-3)}
.form-control:focus,.form-select:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-l);
}
.form-select{
  appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%2356506E' stroke-width='2.4' stroke-linecap='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 14px center;padding-right:40px;
}
.count-note{font-size:12px;color:var(--ink-3);text-align:right;margin-top:6px}
.form-tip{font-size:12px;color:var(--ink-3);margin-top:12px;line-height:1.7}
.form-ok{
  display:none;margin-top:14px;font-size:14px;color:var(--ok);background:#E8F7F0;
  border-radius:10px;padding:10px 14px;
}
.form-ok.show{display:block}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:rgba(255,255,255,.7);margin-top:64px;position:relative}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,#6A3DE8,#17C3B2,transparent);
}
.site-footer .wrap{padding-top:52px;padding-bottom:22px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .brand-mark{width:34px;height:34px;flex:0 0 34px;border-radius:11px;font-size:16px}
.footer-brand .brand-name{color:#fff;font-size:17px;font-weight:700}
.footer-title{color:#fff;font-size:15px;font-weight:600;margin-bottom:14px}
.footer-desc{font-size:14px;line-height:1.8;color:rgba(255,255,255,.62)}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.66)}
.footer-links a:hover{color:var(--accent)}
.footer-bottom{
  margin-top:36px;padding-top:18px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:12px;color:rgba(255,255,255,.5);
}
.site-footer .btn-sm{background:linear-gradient(120deg,#6A3DE8,#17C3B2);color:#fff}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .content-grid{grid-template-columns:minmax(0,1fr) 280px}
}
@media (max-width:991.98px){
  .side-nav{display:none}
  .mobile-topbar{display:flex}
  .content-area{margin-left:0}
  .crumb{padding:0 20px}
  .hero-inner{padding:52px 0 46px}
  .hero h1{font-size:32px}
  .section{padding:44px 0}
  .content-grid{grid-template-columns:1fr;padding-top:32px}
  .side-col{position:static}
  .anchor-bar{top:56px}
  .cta-band{grid-template-columns:1fr;padding:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px}
  h2{font-size:24px}
}
@media (max-width:767.98px){
  .wrap{padding:0 18px}
  .hero h1{font-size:28px}
  .hero-lead{font-size:16px}
  .server-panel{padding:8px 18px}
  .row-line{grid-template-columns:1fr;gap:12px;align-items:flex-start}
  .time-box{flex-direction:row;gap:8px;padding:8px 12px;justify-content:flex-start}
  .time-box .t-main{font-size:18px}
  .time-box .t-sub{margin-top:0}
  .row-side{flex-direction:row;align-items:center;justify-content:space-between;width:100%}
  .gift-card{grid-template-columns:1fr;padding:18px}
  .gift-cover{min-height:170px}
  .gift-cover img{height:170px}
  .panel{padding:20px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:8px}
  h2{font-size:21px}
  h3{font-size:18px}
}
@media (max-width:575.98px){
  .hero h1{font-size:26px}
  .hero-meta{gap:14px;flex-direction:column;gap:8px}
  .btn-brand,.btn-ghost,.btn-promo{width:100%}
  .hero-actions{flex-direction:column}
  .btn-text{width:100%;justify-content:flex-start}
}

/* roulang page: category3 */
:root{
  --brand:#6A3DE8;
  --brand-d:#4E22C4;
  --brand-l:#EFEAFF;
  --accent:#17C3B2;
  --accent-l:#E4FAF7;
  --promo:#FF8A28;
  --promo-l:#FFF1E3;
  --dark:#120E28;
  --dark-2:#1D1740;
  --ink:#171331;
  --ink-2:#56506E;
  --ink-3:#8A85A0;
  --line:#E6E2F5;
  --bg:#FAF9FF;
  --surface:#FFFFFF;
  --ok:#1FA971;
  --warn:#E5484D;
  --grad:linear-gradient(120deg,#6A3DE8 0%,#17C3B2 130%);
  --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  --shadow-1:0 2px 4px rgba(23,19,49,.04),0 10px 28px rgba(23,19,49,.07);
  --shadow-2:0 6px 12px rgba(23,19,49,.07),0 18px 40px rgba(106,61,232,.16);
  --r-card:18px;
  --r-btn:12px;
  --r-img:14px;
  --rail-w:240px;
}
*,*::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:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease}
a:hover{color:var(--brand)}
button{font-family:inherit;cursor:pointer}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:700;color:var(--ink)}
p{margin:0 0 1.15em}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
input:focus-visible,textarea:focus-visible,select:focus-visible{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-l)}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ============ 布局骨架 ============ */
.site-shell{min-height:100vh}
.page-area{margin-left:var(--rail-w);min-height:100vh;display:flex;flex-direction:column;background:var(--bg)}
main{flex:1 1 auto}

/* ============ 左侧竖栏 ============ */
.side-rail{
  position:fixed;top:0;left:0;width:var(--rail-w);height:100vh;z-index:1040;
  background:var(--dark);display:flex;flex-direction:column;
  padding:22px 18px 18px;overflow-y:auto;
}
.side-rail::-webkit-scrollbar{width:6px}
.side-rail::-webkit-scrollbar-thumb{background:rgba(255,255,255,.16);border-radius:6px}
.rail-brand{display:flex;align-items:center;gap:10px;margin-bottom:26px;flex:none}
.brand-mark{
  width:36px;height:36px;flex:none;border-radius:12px;background:var(--grad);
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:17px;font-weight:700;letter-spacing:.5px;
}
.brand-name{color:#fff;font-size:18px;font-weight:700;letter-spacing:.4px;white-space:nowrap}
.side-links{display:flex;flex-direction:column;gap:4px;flex:none}
.side-link{
  position:relative;display:flex;align-items:center;height:44px;
  padding:0 14px 0 18px;border-radius:12px;
  color:rgba(255,255,255,.72);font-size:15px;font-weight:500;
  transition:background-color .2s ease,color .2s ease;
}
.side-link::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:0;border-radius:3px;background:var(--accent);
  transition:height .2s ease;
}
.side-link:hover{background:rgba(255,255,255,.06);color:#fff}
.side-link.active{background:rgba(255,255,255,.08);color:#fff;font-weight:600}
.side-link.active::before{height:22px}
.rail-card{
  margin-top:auto;flex:none;
  border:1px solid rgba(255,255,255,.14);border-radius:14px;
  padding:16px;background:rgba(255,255,255,.04);
}
.rail-card-title{color:#fff;font-size:14px;font-weight:600;margin-bottom:6px}
.rail-card-text{color:rgba(255,255,255,.6);font-size:12.5px;line-height:1.7;margin:0 0 12px}
.rail-foot{margin-top:14px;font-size:12px;color:rgba(255,255,255,.55);line-height:1.7;flex:none}

/* ============ 移动端顶栏 ============ */
.topbar{
  display:none;position:sticky;top:0;z-index:1030;height:56px;
  background:var(--dark);align-items:center;justify-content:space-between;
  padding:0 16px;
}
.topbar-brand{display:flex;align-items:center;gap:9px}
.topbar-brand .brand-mark{width:30px;height:30px;border-radius:10px;font-size:15px}
.topbar-brand .brand-name{font-size:17px}
.nav-toggle{
  width:40px;height:40px;border:none;background:rgba(255,255,255,.08);border-radius:11px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;
}
.nav-toggle span{display:block;width:17px;height:2px;border-radius:2px;background:#fff;transition:transform .2s ease,opacity .2s ease}
.nav-toggle.open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.rail-mask{
  display:none;position:fixed;inset:0;z-index:1035;
  background:rgba(18,14,40,.6);backdrop-filter:blur(3px);
  opacity:0;transition:opacity .25s ease;
}
body.no-scroll{overflow:hidden}

/* ============ 面包屑 ============ */
.crumb-bar{background:var(--surface);border-bottom:1px solid var(--line)}
.crumb{
  min-height:44px;display:flex;align-items:center;gap:8px;
  font-size:13px;color:var(--ink-3);flex-wrap:wrap;
}
.crumb a{color:var(--ink-2)}
.crumb a:hover{color:var(--brand)}
.crumb .sep{color:#C6C1DA}
.crumb .current{color:var(--ink-2)}

/* ============ Hero ============ */
.hero-banner{
  position:relative;background-color:var(--dark);
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  padding:92px 0 104px;overflow:hidden;
}
.hero-banner::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(104deg,rgba(18,14,40,.95) 0%,rgba(18,14,40,.84) 48%,rgba(29,23,64,.55) 100%);
}
.hero-banner::after{
  content:"";position:absolute;width:520px;height:520px;right:-140px;top:-180px;border-radius:50%;
  background:radial-gradient(circle,rgba(23,195,178,.26),transparent 68%);
}
.hero-inner{position:relative;z-index:2;max-width:760px}
.hero-badge{
  display:inline-flex;align-items:center;gap:7px;
  padding:5px 13px;border-radius:999px;font-size:13px;font-weight:600;
  background:rgba(23,195,178,.16);color:#8FF0E5;border:1px solid rgba(23,195,178,.35);
  margin-bottom:18px;
}
.hero-banner h1{
  color:#fff;font-size:40px;font-weight:700;line-height:1.25;margin-bottom:16px;
}
.hero-lead{
  color:rgba(255,255,255,.78);font-size:17px;line-height:1.85;max-width:620px;margin:0 0 28px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px}
.hero-meta{display:flex;flex-wrap:wrap;gap:8px 22px;font-size:13px;color:rgba(255,255,255,.6)}
.hero-meta li{display:flex;align-items:center;gap:7px}
.hero-meta li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent)}

/* ============ 按钮 ============ */
.btn-brand,.btn-ghost,.btn-ghost-light,.btn-soft{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;border:1.5px solid transparent;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,filter .2s ease;
}
.btn-brand{background:var(--grad);color:#fff;box-shadow:0 6px 16px rgba(106,61,232,.24)}
.btn-brand:hover{color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-2);filter:brightness(1.04)}
.btn-brand:active{transform:translateY(0)}
.btn-ghost{background:transparent;color:var(--brand);border-color:var(--brand)}
.btn-ghost:hover{background:var(--brand-l);color:var(--brand-d);transform:translateY(-2px)}
.btn-ghost-light{background:rgba(255,255,255,.06);color:#fff;border-color:rgba(255,255,255,.4)}
.btn-ghost-light:hover{background:rgba(255,255,255,.14);color:#fff;transform:translateY(-2px)}
.btn-soft{background:var(--brand-l);color:var(--brand-d);border-color:transparent}
.btn-soft:hover{background:#E3DAFF;color:var(--brand-d);transform:translateY(-2px)}
.btn-sm{height:38px;padding:0 15px;font-size:14px;border-radius:10px}
.btn-block{width:100%}
.btn-brand[aria-busy="true"]{opacity:.72;pointer-events:none}
.spinner{
  width:15px;height:15px;border-radius:50%;
  border:2px solid rgba(255,255,255,.35);border-top-color:#fff;
  animation:spin .8s linear infinite;
}
@keyframes spin{to{transform:rotate(360deg)}}

/* ============ 统计条 ============ */
.stat-section{position:relative;z-index:3;margin-top:-46px}
.stat-strip{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow-1);display:grid;grid-template-columns:repeat(4,1fr);
  padding:26px 10px;
}
.stat-item{text-align:center;padding:0 14px;border-right:1px solid var(--line)}
.stat-item:last-child{border-right:none}
.stat-num{
  font-size:26px;font-weight:700;color:var(--brand);line-height:1.2;
  font-variant-numeric:tabular-nums;
}
.stat-label{font-size:13px;color:var(--ink-3);margin-top:6px}

/* ============ 通用板块 ============ */
.section{padding:80px 0}
.section-tight{padding:64px 0}
.section-alt{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-dark{background:var(--dark-2);color:#fff}
.section-head{max-width:700px;margin-bottom:40px}
.section-title{font-size:28px;font-weight:700}
.section-title-light{color:#fff}
.section-sub{font-size:15px;color:var(--ink-2);margin-top:12px;line-height:1.85}
.section-sub-light{color:rgba(255,255,255,.72)}

/* ============ 场景卡片 ============ */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.scene-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--shadow-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#D9D0FA}
.scene-icon{
  width:42px;height:42px;border-radius:12px;background:var(--brand-l);color:var(--brand);
  display:flex;align-items:center;justify-content:center;margin-bottom:16px;
}
.scene-title{font-size:18px;font-weight:600;margin-bottom:10px}
.scene-text{font-size:14px;color:var(--ink-2);line-height:1.8;margin:0}

/* ============ 流程步骤 ============ */
.steps{position:relative;padding-bottom:8px}
.steps::before{
  content:"";position:absolute;left:23px;top:20px;bottom:40px;width:2px;background:var(--line);
}
.step{
  position:relative;display:grid;grid-template-columns:48px minmax(0,1fr) 220px;
  gap:22px;padding-bottom:38px;
}
.step:last-child{padding-bottom:0}
.step-dot{
  width:48px;height:48px;border-radius:50%;background:var(--surface);
  border:2px solid var(--line);color:var(--ink-2);
  display:flex;align-items:center;justify-content:center;
  font-size:17px;font-weight:700;font-variant-numeric:tabular-nums;
  position:relative;z-index:2;transition:border-color .2s ease,color .2s ease;
}
.step.is-active .step-dot{background:var(--grad);border-color:transparent;color:#fff;box-shadow:0 0 0 6px rgba(106,61,232,.12)}
.step:hover .step-dot{border-color:var(--brand);color:var(--brand)}
.step.is-active:hover .step-dot{color:#fff}
.step-title{font-size:19px;font-weight:600;margin-bottom:8px;display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.step-tag{
  font-size:12px;font-weight:600;padding:3px 10px;border-radius:999px;
  background:var(--accent-l);color:#0E8B80;
}
.step-text{font-size:15px;color:var(--ink-2);line-height:1.85;margin:0}
.step-media{
  border-radius:var(--r-img);overflow:hidden;border:1px solid var(--line);
  background:var(--brand-l);aspect-ratio:16/10;
}
.step-media img{width:100%;height:100%;object-fit:cover;transition:transform .24s ease}
.step:hover .step-media img{transform:scale(1.04)}

/* ============ 材料清单 ============ */
.check-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.check-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px;box-shadow:var(--shadow-1);
}
.check-card h3{font-size:18px;margin-bottom:16px;display:flex;align-items:center;gap:10px}
.dot-badge{width:8px;height:8px;border-radius:50%;background:var(--brand);flex:none}
.dot-badge.accent{background:var(--accent)}
.check-list li{
  position:relative;padding-left:26px;font-size:15px;color:var(--ink-2);
  line-height:1.8;margin-bottom:11px;
}
.check-list li:last-child{margin-bottom:0}
.check-list li::before{
  content:"";position:absolute;left:0;top:11px;width:10px;height:10px;
  border-radius:3px;background:var(--accent);
}
.check-card.warn .check-list li::before{background:var(--promo)}
.check-card.warn{border-color:#FFE0C4}

/* ============ FAQ ============ */
.faq-list{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-1)}
.faq-item{border-bottom:1px solid var(--line);position:relative}
.faq-item:last-child{border-bottom:none}
.faq-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
  background:var(--line);transition:background-color .2s ease;
}
.faq-item.open::before{background:var(--brand)}
.faq-q{
  width:100%;min-height:52px;background:none;border:none;text-align:left;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:14px 22px 14px 24px;font-size:16px;font-weight:600;color:var(--ink);
  transition:color .2s ease;
}
.faq-q:hover{color:var(--brand)}
.faq-icon{
  position:relative;width:16px;height:16px;flex:none;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--brand);border-radius:2px;
  transition:transform .2s ease,opacity .2s ease;
}
.faq-icon::before{left:0;top:7px;width:16px;height:2px}
.faq-icon::after{left:7px;top:0;width:2px;height:16px}
.faq-item.open .faq-icon::after{transform:scaleY(0);opacity:0}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height .28s ease;
}
.faq-item.open .faq-a{max-height:400px}
.faq-a p{
  margin:0;padding:0 30px 20px 24px;font-size:15px;line-height:1.85;color:var(--ink-2);
}

/* ============ 咨询表单 ============ */
.consult-grid{display:grid;grid-template-columns:5fr 7fr;gap:40px;align-items:start}
.consult-points{display:flex;flex-direction:column;gap:16px;margin-top:26px}
.consult-point{display:flex;gap:12px;align-items:flex-start}
.consult-point .pico{
  width:30px;height:30px;border-radius:10px;background:var(--accent-l);color:#0E8B80;
  display:flex;align-items:center;justify-content:center;flex:none;
}
.consult-point h3{font-size:16px;font-weight:600;margin-bottom:4px}
.consult-point p{margin:0;font-size:14px;color:var(--ink-2);line-height:1.75}
.form-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:30px;box-shadow:var(--shadow-1);
}
.field{margin-bottom:18px}
.field label{display:block;font-size:14px;color:var(--ink-2);margin-bottom:8px;font-weight:500}
.req{color:var(--promo);margin-left:3px}
.form-control{
  width:100%;height:46px;border-radius:var(--r-btn);
  border:1px solid var(--line);background:#fff;color:var(--ink);
  font-size:15px;padding:0 14px;box-shadow:none;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.form-control::placeholder{color:var(--ink-3)}
.form-control:focus{border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-l);outline:none}
textarea.form-control{height:auto;min-height:112px;padding:12px 14px;line-height:1.75;resize:vertical}
select.form-control{
  appearance:none;-webkit-appearance:none;padding-right:40px;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%2356506E' stroke-width='2.6' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 14px center;
}
.field-err{display:none;margin-top:7px;font-size:12.5px;color:var(--warn)}
.field.has-error .form-control{border-color:var(--warn)}
.field.has-error .field-err{display:block}
.field-foot{display:flex;justify-content:space-between;gap:12px;font-size:12.5px;color:var(--ink-3);margin-top:7px}
.check-line{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;color:var(--ink-2);line-height:1.7}
.check-line input{width:17px;height:17px;margin-top:4px;accent-color:var(--brand);flex:none}
.form-note{
  display:none;margin-top:16px;padding:13px 16px;border-radius:12px;
  background:var(--accent-l);color:#0E7A70;font-size:14px;line-height:1.7;
}
.form-note.show{display:block}

/* ============ CTA 收尾条 ============ */
.cta-band{background:var(--dark);border-radius:22px;padding:38px 40px;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;position:relative;overflow:hidden}
.cta-band::after{content:"";position:absolute;width:360px;height:360px;right:-110px;bottom:-180px;border-radius:50%;background:radial-gradient(circle,rgba(106,61,232,.4),transparent 70%)}
.cta-band h2{color:#fff;font-size:24px;margin-bottom:8px;position:relative;z-index:2}
.cta-band p{color:rgba(255,255,255,.72);font-size:15px;margin:0;position:relative;z-index:2;max-width:620px}
.cta-band .cta-actions{position:relative;z-index:2;display:flex;gap:14px;flex-wrap:wrap}

/* ============ 页脚 ============ */
.site-footer{
  position:relative;background:var(--dark);color:rgba(255,255,255,.72);
  padding:56px 0 0;margin-top:80px;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,var(--brand),var(--accent),transparent);
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;padding-bottom:40px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .brand-name{font-size:18px}
.footer-desc{font-size:13.5px;line-height:1.85;color:rgba(255,255,255,.6);margin:0}
.footer-title{color:#fff;font-size:15px;font-weight:600;margin-bottom:14px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:13.5px;color:rgba(255,255,255,.66)}
.footer-links a:hover{color:#fff}
.site-footer .btn-brand{height:38px;padding:0 15px;font-size:14px;border-radius:10px}
.site-footer .btn-brand:hover{color:#fff}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:18px 0 24px;
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:12px;color:rgba(255,255,255,.55);
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .step{grid-template-columns:48px minmax(0,1fr) 180px;gap:18px}
}
@media (max-width:991px){
  .side-rail{transform:translateX(-100%);transition:transform .28s ease;z-index:1040}
  .side-rail.open{transform:translateX(0)}
  .page-area{margin-left:0}
  .topbar{display:flex}
  .rail-mask{display:block;pointer-events:none}
  .rail-mask.show{opacity:1;pointer-events:auto}
  .hero-banner{padding:64px 0 88px}
  .hero-banner h1{font-size:32px}
  .section{padding:64px 0}
  .scene-grid{grid-template-columns:repeat(2,1fr)}
  .consult-grid{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:30px}
  .cta-band{padding:32px 28px}
}
@media (max-width:767px){
  .wrap{padding:0 24px}
  .hero-banner{padding:52px 0 76px}
  .hero-banner h1{font-size:26px}
  .hero-lead{font-size:15.5px}
  .hero-actions{gap:12px}
  .hero-actions .btn-brand,.hero-actions .btn-ghost-light{width:100%}
  .section{padding:48px 0}
  .section-title{font-size:21px}
  .stat-strip{grid-template-columns:repeat(2,1fr);gap:24px 0;padding:22px 6px}
  .stat-item{border-right:none}
  .stat-item:nth-child(odd){border-right:1px solid var(--line)}
  .stat-num{font-size:22px}
  .scene-grid{grid-template-columns:1fr;gap:16px}
  .check-grid{grid-template-columns:1fr;gap:16px}
  .step{grid-template-columns:40px minmax(0,1fr);gap:16px;padding-bottom:32px}
  .step-dot{width:40px;height:40px;font-size:15px}
  .steps::before{left:19px}
  .step-media{grid-column:1 / -1;margin-top:12px}
  .form-card{padding:22px 20px}
  .cta-band{padding:28px 22px;border-radius:18px}
  .cta-band h2{font-size:20px}
  .cta-band .cta-actions{width:100%}
  .cta-band .cta-actions a{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:26px;padding-bottom:30px}
  .site-footer{margin-top:56px}
  .faq-q{font-size:15px;padding:13px 18px 13px 20px}
  .faq-a p{padding:0 22px 18px 20px}
}
@media (max-width:575px){
  .stat-strip{padding:20px 4px}
}

/* roulang page: category2 */
:root{
  --brand:#6A3DE8;
  --brand-d:#4E22C4;
  --brand-l:#EFEAFF;
  --accent:#17C3B2;
  --accent-l:#E4FAF7;
  --promo:#FF8A28;
  --promo-l:#FFF1E3;
  --dark:#120E28;
  --dark-2:#1D1740;
  --ink:#171331;
  --ink-2:#56506E;
  --ink-3:#8A85A0;
  --line:#E6E2F5;
  --bg:#FAF9FF;
  --surface:#FFFFFF;
  --success:#1FA971;
  --warn:#E5484D;
  --radius-card:18px;
  --radius-btn:12px;
  --radius-img:14px;
  --shadow-1:0 2px 4px rgba(23,19,49,.04),0 10px 28px rgba(23,19,49,.07);
  --shadow-2:0 6px 12px rgba(23,19,49,.07),0 18px 40px rgba(106,61,232,.16);
  --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  --nav-w:240px;
  --grad:linear-gradient(120deg,#6A3DE8 0%,#17C3B2 130%);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .2s ease,background .2s ease,border-color .2s ease;}
a:hover{color:var(--brand);}
button{font-family:inherit;cursor:pointer;}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:700;color:var(--ink);}
p{margin:0 0 1.1em;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
body.no-scroll{overflow:hidden;}

.wrap{max-width:1200px;margin:0 auto;padding:0 24px;}

/* ============ 左侧竖向导航 ============ */
.side-nav{
  position:fixed;left:0;top:0;bottom:0;width:var(--nav-w);
  background:var(--dark);
  display:flex;flex-direction:column;
  padding:26px 18px 20px;
  z-index:1040;
  overflow-y:auto;
}
.brand{display:flex;align-items:center;gap:10px;padding:0 6px 22px;}
.brand-mark{
  width:34px;height:34px;flex:0 0 34px;border-radius:10px;
  display:grid;place-items:center;
  font-size:16px;font-weight:700;color:#fff;
  background:var(--grad);
}
.brand-mark.sm{width:30px;height:30px;flex:0 0 30px;border-radius:9px;font-size:14px;}
.brand-name{color:#fff;font-size:18px;font-weight:700;letter-spacing:.4px;white-space:nowrap;}
.side-links{display:flex;flex-direction:column;gap:4px;}
.side-link{
  position:relative;
  display:flex;align-items:center;
  height:44px;padding:0 14px;border-radius:10px;
  color:rgba(255,255,255,.72);
  font-size:15px;
  transition:background .2s ease,color .2s ease;
}
.side-link::before{
  content:"";position:absolute;left:0;top:50%;
  transform:translateY(-50%);
  width:3px;height:0;border-radius:2px;background:var(--accent);
  transition:height .2s ease;
}
.side-link:hover{background:rgba(255,255,255,.06);color:#fff;}
.side-link.active{background:rgba(255,255,255,.08);color:#fff;font-weight:600;}
.side-link.active::before{height:22px;}
.side-foot{margin-top:auto;padding-top:22px;}
.side-card{
  border:1px solid rgba(255,255,255,.16);
  border-radius:14px;
  padding:16px 14px;
  background:rgba(255,255,255,.04);
}
.side-card-title{color:#fff;font-size:14px;font-weight:600;margin-bottom:6px;}
.side-card p{color:rgba(255,255,255,.6);font-size:13px;line-height:1.7;margin:0 0 12px;}
.side-copy{margin-top:14px;font-size:12px;color:rgba(255,255,255,.55);padding:0 4px;line-height:1.6;}

/* ============ 右侧内容区 ============ */
.page{margin-left:var(--nav-w);min-height:100vh;display:flex;flex-direction:column;}
.page-main{flex:1 0 auto;}

/* ============ 移动端顶部栏与抽屉 ============ */
.mobile-bar{
  display:none;position:sticky;top:0;z-index:1030;
  height:56px;background:var(--dark);
  align-items:center;justify-content:space-between;
  padding:0 16px;
}
.mobile-brand{display:flex;align-items:center;gap:9px;}
.hamburger{
  width:40px;height:40px;border:0;background:transparent;
  display:flex;flex-direction:column;justify-content:center;align-items:flex-end;gap:5px;
  padding:0;
}
.hamburger span{display:block;height:2px;border-radius:2px;background:rgba(255,255,255,.85);transition:width .2s ease;}
.hamburger span:nth-child(1){width:20px;}
.hamburger span:nth-child(2){width:14px;}
.hamburger span:nth-child(3){width:20px;}
.hamburger:hover span{width:20px;}
.drawer-mask{
  position:fixed;inset:0;background:rgba(18,14,40,.6);
  -webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);
  opacity:0;visibility:hidden;transition:opacity .28s ease,visibility .28s ease;z-index:1050;
}
.drawer-mask.open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;left:0;top:0;bottom:0;width:82%;max-width:340px;
  background:var(--dark);z-index:1060;
  transform:translateX(-102%);transition:transform .28s ease;
  display:flex;flex-direction:column;padding:20px 18px;
}
.drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;gap:10px;padding-bottom:18px;border-bottom:1px solid rgba(255,255,255,.1);}
.drawer-close{
  margin-left:auto;width:34px;height:34px;border-radius:10px;border:1px solid rgba(255,255,255,.2);
  background:transparent;color:#fff;font-size:20px;line-height:1;display:grid;place-items:center;
}
.drawer-links{display:flex;flex-direction:column;padding-top:12px;}
.drawer-links a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:52px;font-size:17px;color:rgba(255,255,255,.78);
  border-bottom:1px solid rgba(255,255,255,.07);
}
.drawer-links a.active{color:#fff;font-weight:600;}
.drawer-links a .chev{color:rgba(255,255,255,.35);font-size:20px;line-height:1;}
.drawer-foot{margin-top:auto;padding-top:20px;}
.drawer-foot .btn-brand{width:100%;}

/* ============ 按钮 / 徽章 ============ */
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border:0;border-radius:var(--radius-btn);
  background:var(--grad);color:#fff;font-size:15px;font-weight:600;
  box-shadow:0 8px 20px rgba(106,61,232,.28);
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease,opacity .2s ease;
}
.btn-brand:hover{color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-2);filter:brightness(1.04);}
.btn-brand:active{transform:translateY(0);}
.btn-brand:disabled{opacity:.45;transform:none;box-shadow:none;cursor:not-allowed;}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--radius-btn);
  border:1.5px solid var(--brand);background:transparent;color:var(--brand);
  font-size:15px;font-weight:600;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease;
}
.btn-ghost:hover{background:var(--brand-l);color:var(--brand-d);transform:translateY(-2px);box-shadow:var(--shadow-1);}
.btn-ghost:active{transform:translateY(0);}
.btn-sm{height:38px;padding:0 16px;font-size:14px;}
.btn-block{width:100%;}
.badge{
  display:inline-flex;align-items:center;
  height:26px;padding:0 10px;border-radius:999px;
  font-size:13px;font-weight:500;line-height:1;
  background:var(--brand-l);color:var(--brand-d);
}
.badge-accent{background:var(--accent-l);color:#0E8C80;}
.badge-promo{background:var(--promo-l);color:#C25E0D;}
.badge-neutral{background:#F1EFF9;color:var(--ink-2);}

/* ============ Hero ============ */
.hero{position:relative;background:var(--dark);color:#fff;padding:30px 0 76px;overflow:hidden;}
.hero::before{
  content:"";position:absolute;width:620px;height:620px;left:-180px;top:-240px;border-radius:50%;
  background:radial-gradient(circle,rgba(106,61,232,.55),transparent 65%);
}
.hero::after{
  content:"";position:absolute;width:540px;height:540px;right:-160px;bottom:-280px;border-radius:50%;
  background:radial-gradient(circle,rgba(23,195,178,.32),transparent 65%);
}
.hero .wrap{position:relative;z-index:2;}
.crumb{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.5);margin-bottom:28px;}
.crumb a{color:rgba(255,255,255,.7);}
.crumb a:hover{color:#fff;}
.crumb .sep{color:rgba(255,255,255,.3);}
.crumb .current{color:rgba(255,255,255,.85);}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;}
.hero h1{font-size:40px;line-height:1.25;color:#fff;margin:16px 0 14px;letter-spacing:.5px;}
.hero-sub{font-size:18px;line-height:1.8;color:rgba(255,255,255,.76);max-width:580px;margin-bottom:26px;}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:26px;}
.hero-actions .btn-ghost{color:#fff;border-color:rgba(255,255,255,.45);}
.hero-actions .btn-ghost:hover{color:#fff;border-color:#fff;background:rgba(255,255,255,.1);}
.hero-meta{display:flex;gap:24px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.58);}
.hero-meta li{position:relative;padding-left:14px;}
.hero-meta li::before{content:"";position:absolute;left:0;top:9px;width:5px;height:5px;border-radius:50%;background:var(--accent);}
.hero-media{position:relative;border-radius:20px;overflow:hidden;box-shadow:0 24px 60px rgba(0,0,0,.38);}
.hero-media img{width:100%;height:342px;object-fit:cover;}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(160deg,rgba(18,14,40,.1),rgba(18,14,40,.6));
}

/* ============ 数据条 ============ */
.stats-section{position:relative;z-index:5;margin-top:-44px;}
.stats-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);padding:26px 24px;
  display:grid;grid-template-columns:repeat(4,1fr);gap:18px;
}
.stat{text-align:center;position:relative;}
.stat + .stat::before{
  content:"";position:absolute;left:-9px;top:50%;transform:translateY(-50%);
  width:1px;height:34px;background:var(--line);
}
.stat-num{
  font-size:28px;font-weight:700;color:var(--brand-d);line-height:1.3;
  font-variant-numeric:tabular-nums;letter-spacing:.5px;
}
.stat-label{font-size:13px;color:var(--ink-3);margin-top:4px;}

/* ============ 通用板块 ============ */
.section{padding:80px 0;}
.section-alt{background:#F5F3FF;}
.section-tight{padding-top:56px;}
.sec-head{max-width:760px;margin-bottom:40px;}
.sec-head h2{font-size:28px;margin-bottom:12px;}
.sec-head p{color:var(--ink-2);font-size:16px;margin:0;line-height:1.8;}
.sec-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:40px;}
.sec-head-row .sec-head{margin-bottom:0;}

/* ============ 卡片墙 ============ */
.card-wall{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.topic-card{
  display:flex;flex-direction:column;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.topic-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#D9D1F7;}
.topic-cover{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--brand-l);}
.topic-cover img{width:100%;height:100%;object-fit:cover;transition:transform .24s ease;}
.topic-card:hover .topic-cover img{transform:scale(1.04);}
.topic-cover .badge{position:absolute;left:14px;top:14px;}
.topic-body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1;}
.topic-body h3{font-size:19px;font-weight:600;margin-bottom:10px;}
.topic-body p{
  font-size:14px;line-height:1.75;color:var(--ink-2);margin:0 0 18px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.topic-foot{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--ink-3);
}
.topic-foot .arrow{color:var(--brand);font-weight:700;flex:0 0 auto;transition:transform .2s ease;}
.topic-card:hover .topic-foot .arrow{transform:translateX(4px);}
.wall-more{display:flex;justify-content:center;margin-top:36px;}

/* ============ 精选推荐 ============ */
.pick{
  display:grid;grid-template-columns:1fr 1.15fr;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-1);
}
.pick-media{position:relative;min-height:340px;background:var(--brand-l);}
.pick-media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;}
.pick-body{padding:38px 40px;display:flex;flex-direction:column;justify-content:center;gap:14px;}
.pick-body h3{font-size:22px;}
.pick-body > p{font-size:15px;color:var(--ink-2);margin:0;line-height:1.8;}
.pick-list{display:flex;flex-direction:column;gap:10px;margin:4px 0 6px;}
.pick-list li{position:relative;padding-left:20px;font-size:15px;color:var(--ink-2);line-height:1.75;}
.pick-list li::before{content:"";position:absolute;left:0;top:11px;width:8px;height:8px;border-radius:2px;background:var(--accent);}
.pick-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:4px;}

/* ============ 阶段推进 ============ */
.stage-row{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;counter-reset:stage;}
.stage{
  position:relative;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);padding:26px 24px;
  transition:transform .24s ease,box-shadow .24s ease;
}
.stage:hover{transform:translateY(-4px);box-shadow:var(--shadow-1);}
.stage-num{
  display:inline-grid;place-items:center;width:44px;height:44px;border-radius:12px;
  background:var(--brand-l);color:var(--brand-d);
  font-size:17px;font-weight:700;font-variant-numeric:tabular-nums;
  margin-bottom:16px;
}
.stage h3{font-size:18px;margin-bottom:10px;}
.stage p{font-size:14px;color:var(--ink-2);margin:0;line-height:1.75;}
.stage::after{
  content:"";position:absolute;right:-20px;top:48px;width:16px;height:2px;
  background:var(--line);
}
.stage:last-child::after{display:none;}

/* ============ FAQ ============ */
.faq{max-width:880px;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  position:relative;width:100%;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:52px;padding:14px 0 14px 16px;
  background:none;border:0;text-align:left;
  font-size:16px;font-weight:600;color:var(--ink);line-height:1.6;
  transition:color .2s ease;
}
.faq-q::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:22px;border-radius:2px;background:var(--line);
  transition:background .2s ease;
}
.faq-item.open .faq-q::before{background:var(--brand);}
.faq-q:hover{color:var(--brand);}
.faq-icon{
  flex:0 0 auto;width:24px;height:24px;border-radius:50%;
  display:grid;place-items:center;font-size:16px;line-height:1;
  background:var(--brand-l);color:var(--brand-d);
  transition:background .2s ease,color .2s ease;
}
.faq-item.open .faq-icon{background:var(--brand);color:#fff;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease;}
.faq-a p{padding:0 0 20px 16px;margin:0;font-size:15px;line-height:1.85;color:var(--ink-2);}

/* ============ CTA 与表单 ============ */
.cta-section{position:relative;background:var(--dark);color:#fff;padding:80px 0;overflow:hidden;}
.cta-section::before{
  content:"";position:absolute;width:640px;height:640px;right:-200px;top:-260px;border-radius:50%;
  background:radial-gradient(circle,rgba(106,61,232,.5),transparent 66%);
}
.cta-section::after{
  content:"";position:absolute;width:460px;height:460px;left:-160px;bottom:-240px;border-radius:50%;
  background:radial-gradient(circle,rgba(23,195,178,.28),transparent 66%);
}
.cta-grid{position:relative;z-index:2;display:grid;grid-template-columns:1fr 1.05fr;gap:56px;align-items:start;}
.cta-copy h2{font-size:28px;color:#fff;margin:16px 0 14px;}
.cta-copy p{font-size:16px;color:rgba(255,255,255,.72);margin-bottom:22px;}
.cta-points{display:flex;flex-direction:column;gap:12px;}
.cta-points li{position:relative;padding-left:22px;font-size:15px;color:rgba(255,255,255,.78);line-height:1.7;}
.cta-points li::before{
  content:"";position:absolute;left:0;top:11px;width:9px;height:9px;border-radius:3px;
  background:linear-gradient(120deg,#6A3DE8,#17C3B2);
}
.cta-note{margin-top:26px;font-size:13px;color:rgba(255,255,255,.55);line-height:1.7;}

.consult-form{
  background:var(--surface);border-radius:var(--radius-card);
  padding:30px 28px;color:var(--ink);
  box-shadow:0 24px 60px rgba(0,0,0,.32);
}
.form-title{font-size:19px;margin-bottom:20px;}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.field{display:flex;flex-direction:column;gap:8px;margin-bottom:16px;}
.field label{font-size:14px;color:var(--ink-2);font-weight:500;}
.field .req{color:var(--promo);}
.field input,.field select,.field textarea{
  width:100%;border:1px solid var(--line);border-radius:12px;
  background:#FCFBFF;font-family:inherit;font-size:15px;color:var(--ink);
  padding:0 14px;height:46px;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.field textarea{height:auto;min-height:106px;padding:12px 14px;line-height:1.7;resize:vertical;}
.field input::placeholder,.field textarea::placeholder{color:var(--ink-3);}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);background:#fff;
  box-shadow:0 0 0 3px var(--brand-l);
}
.field.error input,.field.error select,.field.error textarea{border-color:var(--warn);}
.field select{
  appearance:none;-webkit-appearance:none;
  background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%2356506E' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 14px center;padding-right:38px;
}
.err-msg{display:none;font-size:12px;color:var(--warn);line-height:1.6;}
.err-msg.show{display:block;}
.counter{align-self:flex-end;font-size:12px;color:var(--ink-3);font-variant-numeric:tabular-nums;}
.check{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--ink-2);margin:6px 0 18px;line-height:1.6;cursor:pointer;}
.check input{width:18px;height:18px;flex:0 0 18px;margin-top:3px;accent-color:var(--brand);}
.toast{
  margin-top:14px;padding:12px 14px;border-radius:12px;
  background:var(--accent-l);color:#0E8C80;font-size:14px;line-height:1.6;
  display:none;
}
.toast.show{display:block;}
.form-extra{margin-top:12px;font-size:13px;color:var(--ink-3);text-align:center;}

/* ============ 页脚 ============ */
.site-footer{
  position:relative;background:var(--dark);color:rgba(255,255,255,.7);
  padding:64px 0 0;margin-top:auto;flex:0 0 auto;
}
.site-footer::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(106,61,232,.9),rgba(23,195,178,.9),transparent);
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:44px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-desc{font-size:14px;line-height:1.8;color:rgba(255,255,255,.62);margin:0;}
.footer-title{color:#fff;font-size:15px;font-weight:600;margin-bottom:14px;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{font-size:14px;color:rgba(255,255,255,.68);}
.footer-links a:hover{color:#fff;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:20px 0 26px;
  display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:12px;color:rgba(255,255,255,.55);
}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  :root{--nav-w:220px;}
  .hero h1{font-size:34px;}
  .hero-grid{gap:34px;}
  .pick-body{padding:32px 30px;}
}
@media (max-width:991.98px){
  .side-nav{display:none;}
  .page{margin-left:0;}
  .mobile-bar{display:flex;}
  .hero{padding:24px 0 62px;}
  .hero-grid{grid-template-columns:1fr;gap:30px;}
  .hero-media img{height:268px;}
  .stats-section{margin-top:-32px;}
  .stats-card{grid-template-columns:repeat(2,1fr);}
  .stat:nth-child(3)::before{display:none;}
  .card-wall{grid-template-columns:repeat(2,1fr);}
  .pick{grid-template-columns:1fr;}
  .pick-media{min-height:230px;}
  .stage-row{grid-template-columns:repeat(2,1fr);}
  .stage::after{display:none;}
  .cta-grid{grid-template-columns:1fr;gap:34px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:767.98px){
  .section{padding:64px 0;}
  .sec-head h2{font-size:24px;}
  .hero h1{font-size:29px;}
  .hero-sub{font-size:16px;}
}
@media (max-width:575.98px){
  .wrap{padding:0 20px;}
  .hero h1{font-size:26px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn-brand,.hero-actions .btn-ghost{width:100%;}
  .hero-meta{gap:12px;flex-direction:column;}
  .hero-media img{height:210px;}
  .stats-card{padding:20px 16px;gap:14px;}
  .stat-num{font-size:24px;}
  .card-wall{grid-template-columns:1fr;}
  .stage-row{grid-template-columns:1fr;}
  .sec-head h2{font-size:21px;}
  .pick-body{padding:24px 20px;}
  .consult-form{padding:22px 18px;}
  .form-row{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .cta-copy h2{font-size:23px;}
}