/* ═══════════════════════════════════════════════════════
   GEO 服务页 · 页面专属样式
   ═══════════════════════════════════════════════════════ */

/* ── HERO ───────────────────────────────────────── */
.hero{position:relative;padding:clamp(56px,8vw,96px) 0 0}
.hero::before{content:"";position:absolute;inset:-10% 0 30%;pointer-events:none;
  background:radial-gradient(ellipse 62% 46% at 22% 8%,rgba(217,119,87,.13),transparent 62%),
             radial-gradient(ellipse 50% 40% at 92% 30%,rgba(120,140,93,.07),transparent 60%)}
.hero-grid{position:relative;display:grid;grid-template-columns:1.02fr .98fr;
  gap:clamp(32px,5vw,72px);align-items:center;padding-bottom:clamp(48px,7vw,84px)}

.eyebrow{font-size:12.5px;letter-spacing:.24em;color:var(--accent);font-weight:500;margin-bottom:22px}
.hero h1{font-size:clamp(38px,5.6vw,66px);letter-spacing:-.035em;margin-bottom:24px}
.hl{color:var(--accent)}
.lede{font-size:clamp(18px,2vw,22px);color:var(--ink);line-height:1.55;margin-bottom:18px;max-width:30ch}
.body{font-size:15.5px;color:var(--ink-2);max-width:46ch;line-height:1.8}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin:32px 0 30px}

.plat{display:flex;flex-wrap:wrap;gap:8px}
.plat li{font-size:12.5px;color:var(--ink-3);border:1px solid var(--line);
  border-radius:999px;padding:6px 14px;letter-spacing:.02em}

.hero-rule{height:1px;background:linear-gradient(90deg,transparent,var(--line-2) 18%,var(--line-2) 82%,transparent)}

/* ── HERO 视觉：AI 回答模拟 ─────────────────────── */
.hero-visual{display:flex;justify-content:flex-end}
.mock{width:100%;max-width:470px;background:linear-gradient(180deg,var(--surface),#191713);
  border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  box-shadow:0 40px 90px -40px rgba(0,0,0,.9),inset 0 1px 0 rgba(255,255,255,.05);
  transform:perspective(1400px) rotateY(-5deg) rotateX(2deg);
  transition:transform .8s var(--ease)}
.mock:hover{transform:perspective(1400px) rotateY(-2deg) rotateX(1deg) translateY(-4px)}
.mock-top{display:flex;align-items:center;gap:7px;padding:14px 18px;border-bottom:1px solid var(--line)}
.dot{width:8px;height:8px;border-radius:50%;background:var(--line-2)}
.mock-title{margin-left:8px;font-size:12.5px;color:var(--ink-3);letter-spacing:.06em}
.mock-body{padding:22px 20px 8px}

.q{display:flex;gap:12px;margin-bottom:20px}
.q-label,.a-label{flex:none;width:26px;height:26px;border-radius:8px;font-size:11.5px;
  display:flex;align-items:center;justify-content:center;font-weight:600}
.q-label{background:var(--surface-2);color:var(--ink-2);border:1px solid var(--line)}
.q p{font-size:14.5px;color:var(--ink);padding-top:2px}

.a{display:flex;gap:12px}
.a-label{background:var(--accent-soft);color:var(--accent);border:1px solid var(--accent-line)}
.a-content{flex:1;min-width:0}
.a-line{font-size:13px;color:var(--ink-3);margin-bottom:12px}

.ans{display:flex;gap:11px;align-items:center;padding:12px 14px;border-radius:12px;
  border:1px solid var(--line);background:rgba(245,243,238,.018);margin-bottom:9px}
.ans-idx{flex:none;width:20px;height:20px;border-radius:6px;background:var(--surface-2);
  color:var(--ink-3);font-size:11.5px;display:flex;align-items:center;justify-content:center;font-weight:600}
.ans-hit{background:var(--accent-soft);border-color:var(--accent-line)}
.ans-hit .ans-idx{background:var(--accent);color:#1A0F09}
.ans-hit strong{display:block;font-size:14.5px;color:var(--ink);font-weight:600;line-height:1.35}
.ans-hit em{display:block;font-size:11.5px;color:var(--accent);letter-spacing:.04em;margin-top:2px}
.ph{display:block;height:9px;border-radius:5px;background:#3A3733;opacity:.9}
.w70{width:70%} .w55{width:55%}

.mock-foot{display:flex;align-items:center;gap:8px;padding:14px 20px 18px;
  font-size:11.5px;color:var(--ink-3);letter-spacing:.06em}
.pulse{width:6px;height:6px;border-radius:50%;background:var(--accent);
  animation:pulse 2.4s var(--ease) infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.35;transform:scale(.72)}}

/* ── 六步 ───────────────────────────────────────── */
.steps{border-top:1px solid var(--line)}
.step{display:grid;grid-template-columns:76px minmax(0,1fr) 250px;gap:clamp(18px,3vw,40px);
  align-items:center;padding:clamp(26px,3.4vw,38px) 0;border-bottom:1px solid var(--line);
  transition:background .35s var(--ease)}
.step:hover{background:rgba(245,243,238,.016)}
.step-no{font-size:15px;font-weight:600;color:var(--ink-3);letter-spacing:.04em;padding-top:4px;
  font-variant-numeric:tabular-nums;transition:color .3s var(--ease)}
.step:hover .step-no{color:var(--accent)}
.step-body h3{font-size:clamp(19px,2.2vw,23px);margin-bottom:6px;letter-spacing:-.02em}
.step-body h3 em{display:inline-block;margin-left:12px;font-size:11.5px;font-weight:400;
  letter-spacing:.16em;color:var(--ink-3);vertical-align:middle}
.step-line{font-size:14.5px;color:var(--accent);margin-bottom:14px}
.step-body ul{display:flex;flex-wrap:wrap;gap:8px}
.step-body li{font-size:13px;color:var(--ink-2);border:1px solid var(--line);
  border-radius:999px;padding:5px 13px}
.step-out{font-size:13px;color:var(--ink-2);white-space:nowrap;
  border-left:1px solid var(--line);padding-left:clamp(16px,2vw,26px);align-self:stretch;
  display:flex;align-items:center}

.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);
  border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;margin-top:clamp(40px,5vw,60px)}
.tl-item{background:var(--bg-2);padding:22px 24px}
.tl-w{display:block;font-size:12px;color:var(--accent);letter-spacing:.08em;margin-bottom:8px}
.tl-item strong{display:block;font-size:16px;margin-bottom:5px}
.tl-item span:last-child{font-size:13px;color:var(--ink-3)}

/* ── 原则 ───────────────────────────────────────── */
.rules{display:grid;gap:clamp(24px,3vw,34px)}
.rule{padding-left:26px;border-left:2px solid var(--line-2);transition:border-color .35s var(--ease)}
.rule:hover{border-left-color:var(--accent)}
.rule h3{font-size:clamp(18px,2vw,21px);margin-bottom:10px;letter-spacing:-.02em}
.rule p{font-size:14.5px;color:var(--ink-2);max-width:74ch;line-height:1.78}

/* ── FAQ ────────────────────────────────────────── */
.faq{border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:24px 0;cursor:pointer;font-size:clamp(16px,1.8vw,18px);font-weight:500;
  list-style:none;transition:color .25s var(--ease)}
.faq summary::-webkit-details-marker{display:none}
.faq summary:hover{color:var(--accent)}
.faq summary::after{content:"";flex:none;width:11px;height:11px;
  border-right:1.6px solid var(--ink-3);border-bottom:1.6px solid var(--ink-3);
  transform:rotate(45deg) translate(-2px,-2px);transition:transform .3s var(--ease),border-color .3s var(--ease)}
.faq details[open] summary::after{transform:rotate(-135deg) translate(-2px,-2px);border-color:var(--accent)}
.faq details[open] summary{color:var(--accent)}
.faq p{padding:0 0 26px;font-size:14.5px;color:var(--ink-2);max-width:78ch;line-height:1.8}

/* ── CTA ────────────────────────────────────────── */
.cta-sec{background:var(--bg-2);border-top:1px solid var(--line)}
.cta-wrap{display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(36px,5vw,72px);align-items:center}
.cta-copy h2{font-size:clamp(24px,3vw,36px);letter-spacing:-.03em;margin-bottom:18px}
.cta-copy>p{font-size:16px;color:var(--ink-2);max-width:52ch;line-height:1.78}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin:30px 0 20px}
.cta-contact{display:flex;flex-wrap:wrap;gap:8px 30px}
.cta-note{font-size:18px;font-weight:600;color:var(--accent);letter-spacing:.01em;margin:0}

.scan{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:26px 26px 20px;display:grid;gap:16px;
  box-shadow:0 34px 80px -44px rgba(0,0,0,.9),inset 0 1px 0 rgba(255,255,255,.045)}
.scan-row{display:grid;grid-template-columns:82px 1fr;gap:14px;align-items:center}
.scan-k{font-size:13px;color:var(--ink-2)}
.scan-bar{height:6px;border-radius:99px;background:var(--line);overflow:hidden}
.scan-bar i{display:block;height:100%;width:0;border-radius:99px;
  background:linear-gradient(90deg,#A8512F,var(--accent));
  transition:width 1.1s var(--ease)}
.scan.in .scan-bar i{width:var(--w)}
.scan-cap{margin-top:14px;font-size:11.5px;color:var(--ink-3);letter-spacing:.04em}

/* ── 响应式 ─────────────────────────────────────── */
@media (max-width:1040px){
  .hero-grid{grid-template-columns:1fr;gap:48px}
  .hero-visual{justify-content:flex-start}
  .mock{max-width:560px;transform:none}
  .mock:hover{transform:translateY(-4px)}
  .cta-wrap{grid-template-columns:1fr}
  .timeline{grid-template-columns:repeat(2,1fr)}
  .step{grid-template-columns:56px minmax(0,1fr);gap:18px}
  .step-out{grid-column:2;border-left:0;padding-left:0;padding-top:16px;
    border-top:1px solid var(--line);align-self:auto}
}
@media (max-width:680px){
  .timeline{grid-template-columns:1fr}
  .hero-cta .btn{flex:1 1 100%}
  .step{grid-template-columns:1fr;gap:12px}
  .step-out{grid-column:1}
  .lede{max-width:none}
}

/* ── 无障碍 ─────────────────────────────────────── */
@media (prefers-reduced-motion:reduce){
  .mock,.mock:hover{transform:none}
  .scan-bar i{width:var(--w)}
}