/* ============================================================
   WorkDock 官网 · 成品设计稿 v1
   暗色开发者工具风 · 单页长滚动
   ============================================================ */

:root {
  --bg: #09090e;
  --bg-2: #0c0c13;
  --surface: #101017;
  --surface-2: #15151f;
  --border: rgba(255, 255, 255, .09);
  --border-strong: rgba(255, 255, 255, .16);
  --ink: #eceaf4;
  --muted: #9b99ad;
  --accent: #e8825a;
  --accent-soft: rgba(232, 130, 90, .12);
  --accent-line: rgba(232, 130, 90, .38);
  --accent-ink: #12100e;
  --green: #4ade80;
  --red: #f87171;
  --yellow: #fbbf24;
  --sans: -apple-system, "SF Pro Display", "PingFang SC", "Segoe UI", "Noto Sans SC", "Microsoft YaHei", sans-serif;
  --mono: ui-monospace, "SF Mono", "Cascadia Code", Menlo, Consolas, monospace;
  --radius: 16px;
  --shadow-lg: 0 24px 70px rgba(0, 0, 0, .5);
  --container: 1120px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  font-variant-numeric: tabular-nums;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
::selection { background: rgba(232, 130, 90, .35); }

.container { max-width: var(--container); margin: 0 auto; padding: 0 28px; }

/* ---------- 背景装饰 ---------- */
.hero-bg {
  position: absolute; inset: 0; overflow: hidden; pointer-events: none; z-index: 0;
}
.hero-bg .grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.028) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(ellipse 90% 70% at 50% 0%, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 90% 70% at 50% 0%, #000 30%, transparent 75%);
}
.hero-bg .orb {
  position: absolute; border-radius: 50%; filter: blur(90px); opacity: .5;
}
.hero-bg .orb-1 { width: 480px; height: 480px; background: rgba(232,130,90,.16); top: -160px; right: -80px; }
.hero-bg .orb-2 { width: 380px; height: 380px; background: rgba(96,120,255,.10); top: 120px; left: -140px; }

/* ---------- 导航 ---------- */
.nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(9, 9, 14, .74);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.nav-inner { display: flex; align-items: center; gap: 26px; padding: 15px 0; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 600; font-size: 16.5px; letter-spacing: .2px; }
.brand-mark {
  width: 32px; height: 32px; border-radius: 9px; display: grid; place-items: center;
  background: var(--accent-soft); color: var(--accent);
  border: 1px solid var(--accent-line);
}
.brand-mark svg { width: 16px; height: 16px; }
.brand small { color: var(--muted); font-weight: 400; font-size: 11.5px; margin-left: 2px; }
.nav-links { display: flex; gap: 2px; }
.nav-links a {
  color: var(--muted); font-size: 14px; padding: 7px 13px; border-radius: 8px;
  transition: color .15s ease, background .15s ease;
}
.nav-links a:hover { color: var(--ink); background: var(--surface-2); }
.nav-cta { margin-left: auto; display: flex; gap: 12px; align-items: center; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px; cursor: pointer;
  padding: 10px 20px; border-radius: 11px; font-size: 14px; font-weight: 500;
  border: 1px solid var(--border-strong); color: var(--ink); background: transparent;
  transition: transform .14s ease, border-color .14s ease, background .14s ease, box-shadow .14s ease;
}
.btn:hover { transform: translateY(-1px); border-color: rgba(255,255,255,.32); }
.btn svg { width: 15px; height: 15px; }
.btn-primary {
  background: var(--accent); color: var(--accent-ink); border-color: transparent; font-weight: 600;
  box-shadow: 0 8px 28px rgba(232,130,90,.25);
}
.btn-primary:hover { background: #f0946f; border-color: transparent; box-shadow: 0 12px 34px rgba(232,130,90,.32); }
.btn-lg { padding: 13px 26px; font-size: 15px; border-radius: 12px; }
.btn-dark { background: #0d0d13; border-color: rgba(255,255,255,.22); font-weight: 600; }
.btn-dark:hover { border-color: rgba(255,255,255,.4); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 6px; }

/* ---------- Hero ---------- */
.hero { position: relative; padding: 84px 0 64px; }
.hero-grid {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: 1.02fr .98fr; gap: 56px; align-items: center;
}
.pill {
  display: inline-flex; align-items: center; gap: 8px; font-size: 12.5px; color: var(--accent);
  border: 1px solid var(--accent-line); background: var(--accent-soft);
  padding: 6px 14px; border-radius: 999px; margin-bottom: 24px;
}
.pill svg { width: 13px; height: 13px; }
.hero h1 {
  font-size: clamp(34px, 4.6vw, 48px); line-height: 1.18; font-weight: 650;
  letter-spacing: -.6px;
}
.hero h1 em { font-style: normal; color: var(--accent); }
.hero .lead { color: var(--muted); font-size: 16.5px; margin: 20px 0 30px; max-width: 44ch; }
.cta-row { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-micro { color: var(--muted); font-size: 13px; margin-top: 20px; }
.hero-micro .star { color: var(--accent); margin-right: 6px; }

/* Hero 视觉组合 */
.hero-visual { position: relative; }
.hero-visual::before {
  content: ""; position: absolute; inset: -30px -20px; z-index: 0; border-radius: 40px;
  background: radial-gradient(60% 60% at 60% 30%, rgba(232,130,90,.14), transparent 70%);
}
.glow-line {
  position: absolute; left: 8%; right: 8%; top: -34px; height: 1px; z-index: 0;
  background: linear-gradient(90deg, transparent, var(--accent-line), transparent);
}

/* 终端窗口 */
.term {
  position: relative; z-index: 2;
  background: #0c0c13; border: 1px solid var(--border-strong); border-radius: 15px;
  overflow: hidden; box-shadow: var(--shadow-lg);
}
.term-bar {
  display: flex; align-items: center; gap: 8px; padding: 12px 15px;
  background: #14141d; border-bottom: 1px solid var(--border);
  font-family: var(--mono); font-size: 11.5px; color: var(--muted);
}
.term-bar .dot { width: 11px; height: 11px; border-radius: 50%; display: inline-block; }
.dot-r { background: #ff5f57; } .dot-y { background: #febc2e; } .dot-g { background: #28c840; }
.term-bar .title { margin-left: 8px; }
.term-bar .net { margin-left: auto; display: inline-flex; align-items: center; gap: 6px; }
.term-bar .net svg { width: 12px; height: 12px; }
.term-body { padding: 20px 22px 16px; font-family: var(--mono); font-size: 12.8px; line-height: 1.8; }
.t-dim { color: #6d6b80; } .t-u { color: var(--ink); } .t-p { color: #c9c7dd; }
.t-tr { color: var(--accent); opacity: .95; } .t-ok { color: var(--green); } .t-file { color: #7dd3fc; }
.chip-attach {
  border: 1px dashed var(--accent); border-radius: 6px; padding: 0 8px; color: var(--accent);
}
.cursor {
  display: inline-block; width: 8px; height: 15px; background: var(--ink);
  vertical-align: text-bottom; animation: blink 1.1s steps(1) infinite;
}
@keyframes blink { 50% { opacity: 0; } }
.term-foot {
  display: flex; gap: 16px; padding: 10px 17px; border-top: 1px solid var(--border);
  background: #101019; font-family: var(--mono); font-size: 11px; color: var(--muted);
}
.term-foot .on { color: var(--green); }
.term-foot .spec { margin-left: auto; }

/* 规格条 */
.spec-strip {
  position: relative; z-index: 1;
  display: flex; flex-wrap: wrap; gap: 10px; justify-content: center;
  margin-top: 64px;
}
.spec-chip {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--mono); font-size: 12px; color: var(--muted);
  border: 1px solid var(--border); border-radius: 999px; padding: 7px 16px;
  background: rgba(16,16,23,.6); backdrop-filter: blur(6px);
}
.spec-chip svg { width: 13px; height: 13px; color: var(--accent); }
.spec-chip b { color: var(--ink); font-weight: 600; }

/* ---------- 通用 Section ---------- */
.section { padding: 88px 0; border-top: 1px solid var(--border); position: relative; }
.section-head { max-width: 680px; margin-bottom: 40px; }
.section-head h2 { font-size: clamp(24px, 3vw, 31px); font-weight: 650; letter-spacing: -.4px; }
.section-head p { color: var(--muted); margin-top: 12px; font-size: 15.5px; }
.section-head .btn { padding: 7px 15px; font-size: 13px; margin-left: 10px; vertical-align: 4px; }

.kicker {
  display: inline-block; font-family: var(--mono); font-size: 11.5px; letter-spacing: 2px;
  color: var(--accent); margin-bottom: 14px; text-transform: uppercase;
}

/* 卡片网格 */
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 26px; transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease;
}
.card:hover { transform: translateY(-3px); border-color: var(--border-strong); box-shadow: 0 14px 40px rgba(0,0,0,.35); }
.card .num { font-family: var(--mono); font-size: 11px; color: var(--accent); letter-spacing: 1.2px; }
.card .icon {
  width: 42px; height: 42px; border-radius: 11px; display: grid; place-items: center;
  background: var(--accent-soft); color: var(--accent); border: 1px solid var(--accent-line);
  margin: 14px 0 10px;
}
.card .icon svg { width: 19px; height: 19px; }
.card h3 { font-size: 16px; font-weight: 600; margin: 8px 0 8px; }
.card p { color: var(--muted); font-size: 13.8px; }

/* 痛点卡 */
.pain-card {
  background: color-mix(in srgb, var(--red) 5%, var(--surface));
  border: 1px solid color-mix(in srgb, var(--red) 28%, transparent);
  border-radius: var(--radius); padding: 26px;
  display: flex; gap: 16px; align-items: flex-start;
  transition: transform .18s ease;
}
.pain-card:hover { transform: translateY(-3px); }
.pain-card .icon {
  flex: none; width: 40px; height: 40px; border-radius: 11px; display: grid; place-items: center;
  background: color-mix(in srgb, var(--red) 12%, transparent); color: var(--red);
  border: 1px solid color-mix(in srgb, var(--red) 30%, transparent);
}
.pain-card .icon svg { width: 18px; height: 18px; }
.pain-card h3 { font-size: 15.5px; font-weight: 600; margin-bottom: 6px; }
.pain-card p { color: var(--muted); font-size: 13.5px; }
.turn-line {
  display: flex; align-items: center; justify-content: center; gap: 10px;
  margin-top: 42px; font-size: 18px; font-weight: 650;
}
.turn-line svg { width: 16px; height: 16px; color: var(--accent); }

/* 流程 */
.flow { display: flex; flex-wrap: wrap; margin-top: 44px; }
.flow-step {
  flex: 1; min-width: 170px; padding: 18px 22px 4px 0;
  border-top: 2px solid var(--border-strong); margin-right: 18px;
  color: var(--muted); font-size: 13.5px;
}
.flow-step b { display: block; color: var(--ink); font-size: 14.5px; margin-bottom: 4px; }

/* 工具展示行 */
.tool-row {
  display: grid; grid-template-columns: 1fr 1fr; gap: 44px; align-items: center;
  padding: 40px 0;
}
.tool-row + .tool-row { border-top: 1px dashed var(--border); }
.tool-row.rev .tool-text { order: 2; }
.tool-text h3 { font-size: 21px; font-weight: 650; margin-bottom: 12px; letter-spacing: -.3px; }
.tool-text p { color: var(--muted); font-size: 14.5px; max-width: 50ch; }
.spec-tags { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 22px; }
.spec-tags span {
  font-family: var(--mono); font-size: 11.5px; color: var(--muted);
  border: 1px solid var(--border); border-radius: 999px; padding: 5px 13px;
}
.phone-mock {
  width: 280px; margin: 0 auto; border: 1px solid var(--border-strong); border-radius: 26px;
  background: #0c0c13; padding: 13px; box-shadow: var(--shadow-lg);
}
.phone-mock .notch { width: 74px; height: 5px; border-radius: 999px; background: #262632; margin: 3px auto 12px; }
.phone-mock .term { box-shadow: none; }
.dropzone {
  border: 1.5px dashed var(--accent-line); border-radius: 15px;
  background: var(--accent-soft); display: grid; place-items: center; text-align: center;
  gap: 8px; padding: 46px 24px; color: var(--muted); font-size: 13.5px;
}
.dropzone svg { width: 28px; height: 28px; color: var(--accent); }
.dropzone b { color: var(--accent); font-family: var(--mono); font-size: 13.5px; }

/* 信任区 */
.trust-grid { display: grid; grid-template-columns: 1.08fr .92fr; gap: 32px; align-items: start; }
.trust-list { display: grid; gap: 14px; }
.trust-item {
  display: flex; gap: 15px; align-items: flex-start; padding: 20px;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
}
.trust-item svg { width: 19px; height: 19px; color: var(--accent); flex: none; margin-top: 3px; }
.trust-item h3 { font-size: 15.5px; font-weight: 600; margin-bottom: 5px; }
.trust-item p { color: var(--muted); font-size: 13.5px; }
.photo-card {
  position: relative; border-radius: var(--radius); overflow: hidden;
  border: 1px solid var(--border-strong); box-shadow: var(--shadow-lg);
}
.photo-card img {
  width: 100%; height: 340px; object-fit: cover;
  filter: brightness(.72) saturate(.85) contrast(1.06);
}
.photo-card .veil {
  position: absolute; inset: 0;
  background: linear-gradient(185deg, rgba(9,9,14,.05) 30%, rgba(9,9,14,.9) 96%);
}
.photo-card figcaption {
  position: absolute; left: 0; right: 0; bottom: 0; padding: 18px 20px;
}
.photo-card figcaption b { display: block; font-size: 14px; margin-bottom: 3px; }
.photo-card figcaption span { color: var(--muted); font-size: 12.5px; }
.photo-card .badge {
  position: absolute; top: 14px; left: 14px;
  font-family: var(--mono); font-size: 11px; color: var(--accent);
  background: rgba(9,9,14,.72); border: 1px solid var(--accent-line);
  border-radius: 999px; padding: 4px 12px; backdrop-filter: blur(6px);
}

/* SLA 表 */
table.sla { width: 100%; border-collapse: collapse; margin-top: 36px; font-size: 13.8px; }
.sla th, .sla td { border-bottom: 1px solid var(--border); padding: 14px 16px; text-align: left; vertical-align: top; }
.sla thead th { color: var(--muted); font-weight: 500; font-size: 12.5px; }
.sla td:first-child { color: var(--muted); }
.sla .hot { color: var(--accent); font-weight: 600; }

/* ---------- 定价 ---------- */
.plans { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.plan {
  position: relative; display: flex; flex-direction: column; gap: 14px;
  background: var(--surface); border: 1px solid var(--border); border-radius: 18px; padding: 28px;
  transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease;
}
.plan:hover { transform: translateY(-4px); border-color: var(--border-strong); box-shadow: 0 18px 46px rgba(0,0,0,.4); }
.plan.hot { border-color: var(--accent-line); }
.plan .tag {
  position: absolute; top: -12px; right: 20px; font-size: 11px; padding: 4px 12px; border-radius: 999px;
  background: var(--accent); color: var(--accent-ink); font-weight: 600;
}
.plan h3 { font-size: 16.5px; }
.plan .price { font-size: 26px; font-weight: 650; line-height: 1.3; }
.plan .price small { font-size: 12.5px; color: var(--muted); font-weight: 400; }
.plan ul { list-style: none; display: grid; gap: 9px; color: var(--muted); font-size: 13.8px; flex: 1; }
.plan li { display: flex; gap: 9px; align-items: flex-start; }
.plan li svg { width: 14px; height: 14px; color: var(--green); flex: none; margin-top: 4px; }
.plan .btn { justify-content: center; }
.foot-note { color: var(--muted); font-size: 12.8px; margin-top: 20px; line-height: 1.8; }

/* ---------- FAQ ---------- */
.faq-list { display: grid; gap: 12px; max-width: 820px; }
details.faq {
  background: var(--surface); border: 1px solid var(--border); border-radius: 14px;
  padding: 18px 22px; overflow: hidden; transition: border-color .15s ease;
}
details.faq[open] { border-color: var(--border-strong); }
details.faq summary {
  cursor: pointer; font-weight: 600; font-size: 15px; list-style: none;
  display: flex; align-items: center; gap: 10px;
}
details.faq summary::-webkit-details-marker { display: none; }
details.faq summary svg { margin-left: auto; width: 16px; height: 16px; color: var(--muted); transition: transform .18s ease; flex: none; }
details.faq[open] summary svg { transform: rotate(180deg); }
details.faq p { color: var(--muted); font-size: 14px; margin-top: 12px; }

/* ---------- CTA Band ---------- */
.cta-band {
  background:
    radial-gradient(80% 120% at 20% 0%, rgba(232,130,90,.2), transparent 60%),
    linear-gradient(135deg, rgba(232,130,90,.13), var(--surface-2));
  border: 1px solid var(--accent-line); border-radius: 22px;
  padding: 60px 36px; text-align: center; position: relative; overflow: hidden;
}
.cta-band::before {
  content: ""; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
  background-size: 36px 36px; mask-image: radial-gradient(60% 100% at 50% 0%, #000, transparent);
  -webkit-mask-image: radial-gradient(60% 100% at 50% 0%, #000, transparent);
  pointer-events: none;
}
.cta-band h2 { font-size: clamp(24px, 3vw, 32px); font-weight: 650; position: relative; }
.cta-band p { color: var(--muted); margin: 14px 0 30px; position: relative; }
.cta-band .cta-row { justify-content: center; position: relative; }

/* ---------- Footer ---------- */
footer { border-top: 1px solid var(--border); padding: 34px 0 46px; color: var(--muted); font-size: 12.8px; margin-top: 96px; }
.foot-row { display: flex; gap: 22px; flex-wrap: wrap; align-items: center; }
.foot-row a:hover { color: var(--ink); }
.foot-note { margin-top: 16px; line-height: 1.9; opacity: .8; max-width: 96ch; }

/* ---------- 设计稿角标 ---------- */
.draft-badge {
  position: fixed; left: 14px; bottom: 14px; z-index: 200;
  font-family: var(--mono); font-size: 10.5px; color: var(--muted);
  background: rgba(16,16,23,.85); border: 1px solid var(--border);
  border-radius: 999px; padding: 5px 12px; backdrop-filter: blur(8px);
  pointer-events: none;
}

/* ---------- 滚动入场 ---------- */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .65s ease, transform .65s ease; }
.reveal.in-view { opacity: 1; transform: none; }
.reveal-d1 { transition-delay: .08s; } .reveal-d2 { transition-delay: .16s; }
.reveal-d3 { transition-delay: .24s; } .reveal-d4 { transition-delay: .32s; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .cursor { animation: none; }
  * { transition-duration: .01ms !important; }
}

/* ---------- 响应式 ---------- */
@media (max-width: 960px) {
  .hero-grid { grid-template-columns: 1fr; gap: 44px; }
  .hero-visual { margin: 0 8px 60px; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .trust-grid { grid-template-columns: 1fr; }
  .plans { grid-template-columns: 1fr; }
  .tool-row { grid-template-columns: 1fr; gap: 28px; }
  .tool-row.rev .tool-text { order: 0; }
  .nav-links { display: none; }
  .spec-strip { margin-top: 76px; }
}
@media (max-width: 600px) {
  .container { padding: 0 18px; }
  .grid-4, .grid-2 { grid-template-columns: 1fr; }
  .section { padding: 64px 0; }
  .hero { padding: 56px 0 48px; }
  .flow-step { margin-right: 0; padding-right: 0; }
  .nav-cta .btn-secondary { display: none; }
  .brand small { display: none; }
  .term-bar .net { display: none; }
}

/* ============================================================
   v2 · 精致化与交互特效
   ============================================================ */

/* 顶部阅读进度条 + 自定义滚动条 */
.scroll-progress {
  position: fixed; top: 0; left: 0; height: 2px; width: 0; z-index: 300;
  background: linear-gradient(90deg, var(--accent), #f0b28c, #d9a8ff);
}
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: #23232f; border-radius: 8px; border: 2px solid var(--bg); }
::-webkit-scrollbar-thumb:hover { background: #34344a; }

/* 背景光球缓慢漂浮 */
.hero-bg .orb { animation: orb-drift 18s ease-in-out infinite alternate; }
.hero-bg .orb-2 { animation-duration: 26s; animation-delay: -8s; }
@keyframes orb-drift {
  from { transform: translate3d(0, 0, 0) scale(1); }
  to { transform: translate3d(-48px, 36px, 0) scale(1.18); }
}

/* 终端：旋转辉光描边 + 鼠标 3D 倾斜 */
.term-glow {
  position: relative; z-index: 2; border-radius: 17px; padding: 1px; overflow: hidden;
  transform: perspective(1100px) rotateX(var(--rx, 0deg)) rotateY(var(--ry, 0deg));
  transition: transform .2s ease-out;
  box-shadow: 0 30px 80px rgba(0, 0, 0, .55);
}
.term-glow::before {
  content: ""; position: absolute; left: 50%; top: 50%; width: 220%; aspect-ratio: 1;
  transform: translate(-50%, -50%) rotate(0deg);
  background: conic-gradient(from 0deg, transparent 0 40deg, rgba(232, 130, 90, .75) 90deg, transparent 150deg 360deg);
  animation: glow-spin 5.5s linear infinite;
}
.term-glow .term { position: relative; border: 1px solid transparent; box-shadow: none; }
@keyframes glow-spin { to { transform: translate(-50%, -50%) rotate(360deg); } }

/* 打字演示区 */
.term-body { height: 360px; overflow: hidden; }
.term-body .ln { min-height: 1.75em; }
.term-body.fade { opacity: 0; transition: opacity .45s ease; }
.welcome-box {
  border: 1px solid var(--border-strong); border-radius: 10px; padding: 8px 12px; margin: 4px 0;
  display: grid; gap: 2px; background: rgba(255, 255, 255, .02);
}
.welcome-box b { font-weight: 600; }
.welcome-box span { color: #8f8da3; font-size: 11.5px; }

/* 卡片：光斑跟随 + 渐变描边 + 顶部高光 */
.card, .pain-card, .trust-item, .plan { position: relative; overflow: hidden; }
.card::before, .pain-card::before, .trust-item::before, .plan::before {
  content: ""; position: absolute; inset: 0; border-radius: inherit; opacity: 0; pointer-events: none;
  background: radial-gradient(460px circle at var(--mx, 50%) var(--my, 50%), rgba(232, 130, 90, .11), transparent 46%);
  transition: opacity .3s ease;
}
.card::after, .pain-card::after, .trust-item::after, .plan::after {
  content: ""; position: absolute; inset: 0; border-radius: inherit; padding: 1px; opacity: 0; pointer-events: none;
  background: linear-gradient(140deg, rgba(232, 130, 90, .5), transparent 38%, transparent 62%, rgba(232, 130, 90, .28));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude;
  transition: opacity .3s ease;
}
.card:hover::before, .pain-card:hover::before, .trust-item:hover::before, .plan:hover::before,
.card:hover::after, .pain-card:hover::after, .trust-item:hover::after, .plan:hover::after { opacity: 1; }
.card { background: linear-gradient(180deg, rgba(255, 255, 255, .025), rgba(255, 255, 255, 0) 42%), var(--surface); }
.pain-card { background: linear-gradient(180deg, rgba(255, 255, 255, .02), rgba(255, 255, 255, 0) 42%), color-mix(in srgb, var(--red) 5%, var(--surface)); }
.card:hover { transform: translateY(-4px); box-shadow: 0 18px 48px rgba(0, 0, 0, .45); }
.pain-card:hover, .trust-item:hover { transform: translateY(-3px); }
.plan:hover { transform: translateY(-5px); box-shadow: 0 22px 54px rgba(0, 0, 0, .5); }
.card .icon { transition: transform .25s ease, box-shadow .25s ease; }
.card:hover .icon { transform: scale(1.06); box-shadow: 0 0 24px rgba(232, 130, 90, .25); }

/* 主按钮：渐变底 + 扫光 */
.btn-primary { position: relative; overflow: hidden; background: linear-gradient(180deg, #f0946f, var(--accent)); }
.btn-primary::after {
  content: ""; position: absolute; top: 0; bottom: 0; left: -70%; width: 44%;
  background: linear-gradient(105deg, transparent, rgba(255, 255, 255, .5), transparent);
  transform: skewX(-20deg); transition: left .55s ease;
}
.btn-primary:hover::after { left: 130%; }

/* kicker 渐变文字 */
.kicker {
  background: linear-gradient(90deg, var(--accent), #d9a8ff);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}

/* 导航当前分区下划线 */
.nav-links a { position: relative; }
.nav-links a::after {
  content: ""; position: absolute; left: 13px; right: 13px; bottom: 4px; height: 2px; border-radius: 2px;
  background: linear-gradient(90deg, var(--accent), #f0b28c);
  transform: scaleX(0); transform-origin: left; transition: transform .25s ease;
}
.nav-links a:hover::after { transform: scaleX(.55); }
.nav-links a.is-active { color: var(--ink) !important; background: transparent !important; }
.nav-links a.is-active::after { transform: scaleX(1); }

/* 定价热门卡呼吸光晕 */
.plan.hot { animation: hot-pulse 3.4s ease-in-out infinite; }
@keyframes hot-pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(232, 130, 90, 0), 0 0 22px rgba(232, 130, 90, .12); }
  50% { box-shadow: 0 0 0 5px rgba(232, 130, 90, .05), 0 0 46px rgba(232, 130, 90, .26); }
}

/* CTA 横幅流动渐变描边 */
.cta-band {
  border: 1px solid transparent;
  background:
    radial-gradient(80% 120% at 20% 0%, rgba(232, 130, 90, .2), transparent 60%) padding-box,
    linear-gradient(135deg, rgba(232, 130, 90, .13), #171723) padding-box,
    linear-gradient(120deg, rgba(232, 130, 90, .7), rgba(217, 168, 255, .35) 30%, rgba(232, 130, 90, .7) 55%, rgba(217, 168, 255, .35)) border-box;
  background-size: auto, auto, 300% 100%;
  animation: band-flow 9s linear infinite;
}
@keyframes band-flow { to { background-position: 0 0, 0 0, 300% 0; } }

/* 入场升级：位移 + 模糊淡入 */
.reveal {
  opacity: 0; transform: translateY(26px); filter: blur(6px);
  transition: opacity .7s ease, transform .7s cubic-bezier(.2, .7, .2, 1), filter .7s ease;
}
.reveal.in-view { opacity: 1; transform: none; filter: none; }

@media (max-width: 600px) {
  .term-body { height: 312px; font-size: 11.6px; }
}
@media (prefers-reduced-motion: reduce) {
  .hero-bg .orb, .term-glow::before, .plan.hot, .cta-band { animation: none !important; }
  .btn-primary::after { display: none; }
  .term-glow { transform: none; transition: none; }
}

/* ============================================================
   v3 · 浅色主题（暖白纸感；终端保持深色，贴近真实 Claude Code）
   通过 html[data-theme="light"] 启用，深色为默认
   ============================================================ */
[data-theme="light"] {
  color-scheme: light;
  --bg: #f6f4f0; --bg-2: #ffffff;
  --surface: #ffffff; --surface-2: #efece6;
  --border: rgba(24, 20, 15, .1); --border-strong: rgba(24, 20, 15, .18);
  --ink: #211e26; --muted: #6d6b78;
  --accent: #c85a2a; --accent-soft: rgba(200, 90, 42, .08); --accent-line: rgba(200, 90, 42, .34);
  --accent-ink: #fff8f3;
  --green: #177a4b; --red: #c43939; --yellow: #9a6b0f;
  --shadow-lg: 0 24px 70px rgba(30, 23, 15, .13);
}
[data-theme="light"] ::selection { background: rgba(200, 90, 42, .2); }

/* 背景装饰 */
[data-theme="light"] .hero-bg .grid {
  background-image:
    linear-gradient(rgba(24,20,15,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(24,20,15,.05) 1px, transparent 1px);
}
[data-theme="light"] .hero-bg .orb-1 { background: rgba(200, 90, 42, .13); }
[data-theme="light"] .hero-bg .orb-2 { background: rgba(96, 120, 255, .09); }
[data-theme="light"] .hero-visual::before { background: radial-gradient(60% 60% at 60% 30%, rgba(200,90,42,.09), transparent 70%); }

/* 导航与角标 */
[data-theme="light"] .nav { background: rgba(246, 244, 240, .82); }
[data-theme="light"] .spec-chip { background: rgba(255, 255, 255, .72); }
[data-theme="light"] .draft-badge { background: rgba(255, 255, 255, .9); }

/* 终端：整体保持深色观感，内部变量固定回暗色值 */
[data-theme="light"] .term {
  --ink: #eceaf4; --muted: #9b99ad; --accent: #e8825a;
  --green: #4ade80; --red: #f87171; --border: rgba(255,255,255,.09); --border-strong: rgba(255,255,255,.16);
  color: var(--ink);
}
[data-theme="light"] .term-glow { box-shadow: 0 30px 80px rgba(30, 23, 15, .26); }
[data-theme="light"] .term-glow::before {
  background: conic-gradient(from 0deg, transparent 0 40deg, rgba(200, 90, 42, .5) 90deg, transparent 150deg 360deg);
}
[data-theme="light"] .phone-mock { background: #17171f; }

/* 卡片与阴影 */
[data-theme="light"] .card {
  background: linear-gradient(180deg, rgba(24,20,15,.015), rgba(24,20,15,0) 42%), var(--surface);
}
[data-theme="light"] .pain-card {
  background: linear-gradient(180deg, rgba(24,20,15,.012), rgba(24,20,15,0) 42%), color-mix(in srgb, var(--red) 4%, var(--surface));
  border-color: color-mix(in srgb, var(--red) 22%, transparent);
}
[data-theme="light"] .card:hover { box-shadow: 0 18px 48px rgba(30,23,15,.14); }
[data-theme="light"] .plan:hover { box-shadow: 0 22px 54px rgba(30,23,15,.16); }
[data-theme="light"] .card::before, [data-theme="light"] .pain-card::before,
[data-theme="light"] .trust-item::before, [data-theme="light"] .plan::before {
  background: radial-gradient(460px circle at var(--mx, 50%) var(--my, 50%), rgba(200,90,42,.07), transparent 46%);
}
[data-theme="light"] .card::after, [data-theme="light"] .pain-card::after,
[data-theme="light"] .trust-item::after, [data-theme="light"] .plan::after {
  background: linear-gradient(140deg, rgba(200,90,42,.42), transparent 38%, transparent 62%, rgba(200,90,42,.24));
}

/* 按钮 */
[data-theme="light"] .btn:hover { border-color: rgba(24,20,15,.34); }
[data-theme="light"] .btn-dark { background: #232028; border-color: rgba(24,20,15,.4); }

/* 机位照片：提亮，文字保持白色压在暗化渐晕上 */
[data-theme="light"] .photo-card img { filter: brightness(.94) saturate(.9) contrast(1.03); }
[data-theme="light"] .photo-card figcaption b { color: #f5f3f8; }
[data-theme="light"] .photo-card figcaption span { color: rgba(245, 243, 248, .82); }

/* CTA 横幅：暖白底 + 流动描边 */
[data-theme="light"] .cta-band {
  background:
    radial-gradient(80% 120% at 20% 0%, rgba(200,90,42,.13), transparent 60%) padding-box,
    linear-gradient(135deg, rgba(200,90,42,.09), #fffdf8) padding-box,
    linear-gradient(120deg, rgba(200,90,42,.7), rgba(217,168,255,.38) 30%, rgba(200,90,42,.7) 55%, rgba(217,168,255,.38)) border-box;
  background-size: auto, auto, 300% 100%;
}
[data-theme="light"] .cta-band::before {
  background-image:
    linear-gradient(rgba(24,20,15,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(24,20,15,.03) 1px, transparent 1px);
}

/* 滚动条 */
[data-theme="light"] ::-webkit-scrollbar-track { background: #efede8; }
[data-theme="light"] ::-webkit-scrollbar-thumb { background: #d8d2c8; border-color: #efede8; }
[data-theme="light"] ::-webkit-scrollbar-thumb:hover { background: #c5beb2; }

/* 主题切换按钮（导航右侧圆形图标钮） */
.theme-toggle {
  width: 36px; height: 36px; border-radius: 10px; cursor: pointer; flex: none;
  display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid var(--border-strong); background: transparent; color: var(--muted);
  transition: color .15s ease, border-color .15s ease, transform .14s ease;
}
.theme-toggle:hover { color: var(--accent); border-color: var(--accent-line); transform: translateY(-1px); }
.theme-toggle svg { width: 16px; height: 16px; }
[data-theme="dark"] .theme-toggle .ti-moon { display: none; }
[data-theme="light"] .theme-toggle .ti-sun { display: none; }

/* ============================================================
   v4 · 大字推广版：宽版面 · 大字号 · 居中强推销排版
   配色延续，但气质放开：直给价格、大按钮、重色块
   ============================================================ */

:root { --container: 1320px; }

body { font-size: 16.5px; }

.container { padding: 0 36px; }

/* ---------- Hero：居中大字 ---------- */
.hero { padding: 88px 0 72px; }
.hero-center {
  max-width: 900px; margin: 0 auto; text-align: center;
  position: relative; z-index: 1;
}
.hero-center .pill { margin-bottom: 28px; font-size: 13.5px; padding: 7px 18px; }
.hero-center h1 {
  font-size: clamp(46px, 6.4vw, 78px); line-height: 1.08; font-weight: 800;
  letter-spacing: -1.8px;
}
.hero-center .lead {
  margin: 26px auto 30px; font-size: 19px; max-width: 40em; line-height: 1.7;
}

/* 价格横幅：直给 $599 */
.price-banner {
  display: inline-flex; align-items: center; gap: 18px;
  padding: 20px 40px; margin-bottom: 32px; border-radius: 22px;
  background: linear-gradient(135deg, var(--accent), #d4602b 55%, #b34a1e);
  color: #fff; text-align: left;
  box-shadow: 0 18px 60px rgba(232, 130, 90, .4);
}
[data-theme="light"] .price-banner {
  background: linear-gradient(135deg, #d96a35, #b34a1e);
  box-shadow: 0 18px 54px rgba(200, 90, 42, .35);
}
.pb-num {
  font-size: 76px; font-weight: 800; line-height: 1; letter-spacing: -3px;
  font-variant-numeric: tabular-nums;
}
.pb-per { font-size: 24px; font-weight: 650; opacity: .92; margin-top: 26px; }
.pb-divider { width: 1px; align-self: stretch; background: rgba(255, 255, 255, .35); }
.pb-label { font-size: 19px; font-weight: 650; line-height: 1.45; }
.pb-label small { display: block; font-size: 13.5px; font-weight: 400; opacity: .88; margin-top: 3px; }
.pb-label b { font-weight: 750; }

.hero-center .cta-row { justify-content: center; }
.hero-center .hero-micro { font-size: 14px; margin-top: 22px; }

/* Hero 终端：居中放大 */
.hero-visual { margin: 64px auto 0; max-width: 980px; }
[data-theme="light"] .hero-visual::before { inset: -40px -10px; }

/* ---------- 通用：更大的标题与区块 ---------- */
.section { padding: 104px 0; }
.section-head { max-width: 860px; margin: 0 auto 52px; text-align: center; }
.section-head h2 { font-size: clamp(32px, 4.2vw, 48px); font-weight: 800; letter-spacing: -1px; }
.section-head h2 .hl {
  font-style: normal; color: var(--accent);
  background: linear-gradient(180deg, transparent 68%, var(--accent-soft) 0);
}
.section-head p { margin-top: 16px; font-size: 17px; }
.kicker { font-size: 13px; letter-spacing: 2.6px; margin-bottom: 16px; }

/* 卡片放大加浓 */
.grid-4 { gap: 22px; }
.card { padding: 32px 30px; border-radius: 20px; border-width: 1.5px; }
.card .num { font-size: 12px; }
.card .icon { width: 50px; height: 50px; border-radius: 13px; margin: 16px 0 12px; }
.card .icon svg { width: 23px; height: 23px; }
.card h3 { font-size: 18.5px; margin: 10px 0; }
.card p { font-size: 15px; line-height: 1.75; }

.pain-card { padding: 30px 28px; border-radius: 20px; border-width: 1.5px; }
.pain-card h3 { font-size: 17px; }
.pain-card p { font-size: 14.8px; line-height: 1.75; }
.turn-line { font-size: 22px; margin-top: 52px; }

/* 工具区 */
.tool-row { gap: 56px; padding: 52px 0; }
.tool-text h3 { font-size: 26px; }
.tool-text p { font-size: 16px; line-height: 1.8; max-width: 54ch; }
.spec-tags { margin-top: 26px; }
.spec-tags span { font-size: 12.5px; padding: 6px 15px; }

/* 信任区 */
.trust-item { padding: 24px; border-radius: 18px; }
.trust-item h3 { font-size: 17px; }
.trust-item p { font-size: 14.6px; line-height: 1.75; }

/* FAQ */
details.faq { padding: 22px 26px; border-radius: 16px; }
details.faq summary { font-size: 16.5px; }
details.faq p { font-size: 15px; line-height: 1.8; }

/* ---------- 定价：单品大卡 ---------- */
.offer {
  max-width: 820px; margin: 0 auto; text-align: center;
  padding: 56px 56px 44px; border-radius: 28px;
  border: 1.5px solid var(--accent-line);
  background:
    radial-gradient(90% 130% at 50% 0%, rgba(232, 130, 90, .14), transparent 62%),
    var(--surface);
  box-shadow: 0 30px 90px rgba(0, 0, 0, .42);
  position: relative; overflow: hidden;
}
[data-theme="light"] .offer { box-shadow: 0 30px 90px rgba(30, 23, 15, .16); }
.offer-price { display: flex; align-items: baseline; justify-content: center; gap: 8px; }
.op-num {
  font-size: clamp(64px, 8vw, 96px); font-weight: 800; letter-spacing: -4px; line-height: 1;
  color: var(--accent); font-variant-numeric: tabular-nums;
}
.op-per { font-size: 26px; font-weight: 650; color: var(--muted); }
.offer-name { font-size: 25px; font-weight: 750; margin: 18px 0 30px; }
.offer-name b { color: var(--accent); }
.offer-list {
  list-style: none; display: grid; gap: 15px; max-width: 560px; margin: 0 auto 34px;
  text-align: left; font-size: 16px; color: var(--ink);
}
.offer-list li { display: flex; gap: 12px; align-items: flex-start; line-height: 1.6; }
.offer-list svg { width: 17px; height: 17px; color: var(--green); flex: none; margin-top: 5px; }
.offer-list b { font-weight: 650; }
.offer-sub { margin-top: 16px; color: var(--muted); font-size: 13.5px; }

.btn-xl { padding: 17px 42px; font-size: 17.5px; border-radius: 14px; font-weight: 650; }

.foot-note { font-size: 13.5px; }

/* CTA 横幅加大 */
.cta-band { padding: 76px 40px; border-radius: 26px; }
.cta-band h2 { font-size: clamp(30px, 4vw, 44px); font-weight: 800; }
.cta-band p { font-size: 17px; }

/* 响应式 */
@media (max-width: 960px) {
  .price-banner { flex-direction: column; text-align: center; gap: 8px; padding: 26px 34px; }
  .pb-per { margin-top: -14px; }
  .pb-divider { width: 44px; height: 1px; align-self: center; }
  .pb-label { font-size: 17px; }
  .pb-num { font-size: 62px; }
  .offer { padding: 44px 26px 36px; margin: 0 6px; }
  .offer-list { font-size: 15px; }
}
@media (max-width: 600px) {
  .hero { padding: 52px 0 48px; }
  .hero-center h1 { letter-spacing: -1px; }
  .section { padding: 72px 0; }
  .offer-name { font-size: 21px; }
}

/* ============================================================
   v4 · 订购页（order.html）
   ============================================================ */
.order-grid {
  display: grid; grid-template-columns: 1fr 1.15fr; gap: 30px; align-items: start;
  max-width: 1020px; margin: 0 auto;
}
.order-summary {
  border: 1.5px solid var(--accent-line); border-radius: 24px; padding: 38px 34px;
  background:
    radial-gradient(100% 120% at 50% 0%, rgba(232, 130, 90, .13), transparent 60%),
    var(--surface);
}
.os-tag {
  font-family: var(--mono); font-size: 11.5px; letter-spacing: 2px; text-transform: uppercase;
  color: var(--muted); display: block; margin-bottom: 14px;
}
.os-price { display: flex; align-items: baseline; gap: 6px; }
.os-price .op-num { font-size: 64px; }
.os-name { font-size: 20px; font-weight: 700; margin: 12px 0 22px; }
.os-name b { color: var(--accent); }
.os-list { list-style: none; display: grid; gap: 11px; font-size: 14.8px; }
.os-list li { display: flex; gap: 10px; align-items: flex-start; line-height: 1.55; }
.os-list svg { width: 15px; height: 15px; color: var(--green); flex: none; margin-top: 4px; }
.os-note { margin-top: 22px; padding-top: 18px; border-top: 1px dashed var(--border); color: var(--muted); font-size: 12.8px; line-height: 1.75; }

.order-form {
  border: 1px solid var(--border); border-radius: 24px; padding: 38px 34px;
  background: var(--surface); display: grid; gap: 20px;
}
.order-form label { display: grid; gap: 8px; font-size: 14.5px; font-weight: 550; }
.order-form input, .order-form textarea {
  font: inherit; font-size: 15.5px; color: var(--ink);
  background: var(--bg-2); border: 1px solid var(--border-strong); border-radius: 12px;
  padding: 13px 16px; outline: none; resize: vertical;
  transition: border-color .15s ease, box-shadow .15s ease;
}
[data-theme="light"] .order-form input, [data-theme="light"] .order-form textarea { background: #fbfaf7; }
.order-form input:focus, .order-form textarea:focus {
  border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft);
}
.order-form input::placeholder, .order-form textarea::placeholder { color: var(--muted); opacity: .7; }
.order-form .btn { justify-content: center; }
.of-note { color: var(--muted); font-size: 12.8px; text-align: center; line-height: 1.7; }

.toast {
  position: fixed; left: 50%; bottom: 34px; transform: translate(-50%, 16px);
  background: var(--accent); color: var(--accent-ink); font-size: 14px; font-weight: 600;
  padding: 12px 22px; border-radius: 999px; box-shadow: 0 14px 40px rgba(0,0,0,.4);
  opacity: 0; pointer-events: none; transition: opacity .25s ease, transform .25s ease; z-index: 400;
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }

@media (max-width: 960px) {
  .order-grid { grid-template-columns: 1fr; }
}

/* ---------- v4 补充：修复与 FAQ 页 ---------- */
/* btn-dark 背景为深色，必须显式给浅色文字（浅色主题下 --ink 为深色会看不见） */
.btn-dark { color: #f5f3f0; }
.btn-dark:hover { color: #fff; }

/* FAQ 独立页 */
.faq-page { max-width: 860px; margin: 0 auto; }
.faq-page .faq-group { display: block; margin: 40px 0 16px; }
.faq-page .faq-list { max-width: none; }
.faq-page .faq-list + .faq-group { margin-top: 44px; }

/* ---------- v4 补充：独立子页（FAQ/订购）页头撑高 ---------- */
main.section { padding-top: 132px; padding-bottom: 104px; }
main.section .section-head { margin-bottom: 64px; }
main.section .section-head h2 { font-size: clamp(38px, 5vw, 58px); }
main.section .section-head p { font-size: 18px; margin-top: 14px; }
main.section .section-head .kicker { font-size: 14px; }

/* ---------- v4 补充 2：子页页头 hero 化（再增大） ---------- */
main.section {
  position: relative;
  padding-top: 176px; padding-bottom: 116px;
}
main.section::before {
  content: ""; position: absolute; left: 50%; top: 0; width: 130%; height: 46%;
  transform: translateX(-50%);
  background: radial-gradient(46% 70% at 50% 0%, var(--accent-soft), transparent 72%);
  pointer-events: none;
}
main.section > .container { position: relative; }
main.section .section-head { margin-bottom: 80px; max-width: 900px; }
main.section .section-head h2 { font-size: clamp(46px, 6vw, 74px); letter-spacing: -1.6px; }
main.section .section-head p { font-size: 19px; margin-top: 18px; line-height: 1.75; }
main.section .section-head .kicker { font-size: 15px; margin-bottom: 22px; letter-spacing: 3px; }

/* ---------- v4 补充 3：子页页头全高 hero（用户反馈还要更大） ---------- */
main.section { padding-top: 84px; padding-bottom: 120px; }
main.section::before { height: 72%; }
main.section .page-hero-head {
  min-height: 64vh;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  margin-bottom: 88px;
}
main.section .page-hero-head h2 { font-size: clamp(52px, 7.5vw, 96px); letter-spacing: -2px; }
main.section .page-hero-head p { font-size: 20px; margin-top: 22px; }
main.section .page-hero-head .kicker { font-size: 15px; margin-bottom: 26px; letter-spacing: 3.4px; }

.hero-price-line {
  display: flex; align-items: baseline; gap: 10px; margin-top: 38px; flex-wrap: wrap; justify-content: center;
}
.pl-num {
  font-size: clamp(56px, 6vw, 84px); font-weight: 800; color: var(--accent);
  letter-spacing: -3px; line-height: 1; font-variant-numeric: tabular-nums;
}
.pl-per { font-size: 26px; font-weight: 650; color: var(--muted); }
.pl-label { font-size: 18px; color: var(--muted); }
.hero-chips { display: flex; gap: 12px; flex-wrap: wrap; justify-content: center; margin-top: 34px; }
.hero-chips span {
  font-size: 13.5px; color: var(--muted); padding: 9px 20px; border-radius: 999px;
  border: 1px solid var(--border-strong); background: var(--surface);
}
@media (max-width: 600px) {
  main.section .page-hero-head { min-height: 46vh; margin-bottom: 56px; }
  .pl-label { width: 100%; text-align: center; }
}

/* ---------- v4 补充 4：导航条增高，按钮内嵌不顶满 ---------- */
.nav-inner { padding: 21px 0; gap: 24px; }
.brand { font-size: 17.5px; gap: 12px; }
.brand-mark { width: 38px; height: 38px; border-radius: 11px; }
.brand-mark svg { width: 18px; height: 18px; }
.nav-links a { font-size: 14.5px; padding: 9px 14px; }
.nav-cta { gap: 14px; }
.nav-cta .btn { padding: 9px 19px; font-size: 13.5px; border-radius: 999px; }
.nav-cta .btn-primary { font-weight: 650; }
.theme-toggle { width: 40px; height: 40px; border-radius: 12px; }

/* ---------- v4 补充 5：方案区三卡布局（工具卡撤下后） ---------- */
.grid-4.cards-3 { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 960px) {
  .grid-4.cards-3 { grid-template-columns: 1fr; }
}


/* ---------- v4 补充 6：主标第一行不换行（容器加宽容纳） ---------- */
.hero-center { max-width: 1060px; }


/* ---------- v4 补充 7：CTA 按钮与 ROI 语同一区块 ---------- */
.cta-block { display: inline-flex; align-items: center; gap: 24px; margin-top: 6px; }
.cta-note {
  text-align: left; font-size: 15.5px; color: var(--muted); line-height: 1.55;
  border-left: 2px solid var(--accent-line); padding-left: 24px;
}
.cta-note .star { color: var(--accent); margin-right: 6px; }
.cta-note b { color: var(--ink); font-weight: 650; }
@media (max-width: 700px) {
  .cta-block { flex-direction: column; gap: 14px; }
  .cta-note { border-left: 0; padding-left: 0; text-align: center; }
}

/* v4 补充 8：导航按钮不折行 */
.nav-cta .btn { white-space: nowrap; }