/* ============================================
   MacBuild — 手写 CSS，零框架
   ============================================ */

:root {
  --paper: #faf7f0;
  --paper-alt: #f3efe5;
  --ink: #1a1a18;
  --ink-soft: #3d3b36;
  --muted: #6b6862;
  --line: #e2ddd1;
  --line-strong: #cfc8b8;
  --accent: #1e5a48;
  --accent-soft: #e8f0ec;
  --warn: #8a5a1e;

  --wrap: 1120px;
  --wrap-narrow: 760px;

  --serif: "Songti SC", "Noto Serif SC", "Source Han Serif SC", "SimSun", Georgia, serif;
  --sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB",
          "Microsoft YaHei", "Segoe UI", Roboto, sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, "Courier New", monospace;

  --radius: 10px;
  --radius-lg: 16px;
}

*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
  -webkit-text-size-adjust: 100%;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img, svg { max-width: 100%; height: auto; display: block; }

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3, h4 {
  font-family: var(--serif);
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: -0.01em;
  margin: 0;
  text-wrap: balance;
}

p { margin: 0; }

.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 24px;
}
.wrap-narrow { max-width: var(--wrap-narrow); }

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--accent);
  color: #fff;
  padding: 12px 20px;
  z-index: 100;
}
.skip-link:focus { left: 12px; top: 12px; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 22px;
  border-radius: 999px;
  background: var(--accent);
  color: #fff;
  font-size: 15px;
  font-weight: 500;
  border: 1px solid var(--accent);
  cursor: pointer;
  transition: background .16s ease, transform .16s ease, border-color .16s ease;
  white-space: nowrap;
}
.btn:hover { background: #17493a; border-color: #17493a; text-decoration: none; }
.btn:active { transform: translateY(1px); }

.btn-ghost {
  background: transparent;
  color: var(--ink-soft);
  border-color: var(--line-strong);
}
.btn-ghost:hover { background: var(--paper-alt); color: var(--ink); border-color: var(--ink-soft); }

.btn-text {
  background: transparent;
  color: var(--accent);
  border-color: transparent;
  padding-left: 6px;
  padding-right: 6px;
}
.btn-text:hover { background: transparent; text-decoration: underline; }

.btn-lg { padding: 14px 30px; font-size: 16px; }
.btn-block { width: 100%; }

/* ---------- 头部 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(250, 247, 240, .88);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--line);
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--serif);
  font-size: 19px;
  font-weight: 600;
  color: var(--ink);
  flex-shrink: 0;
}
.brand:hover { text-decoration: none; }
.brand svg { color: var(--accent); }

.nav {
  display: flex;
  align-items: center;
  gap: 26px;
  font-size: 14.5px;
}
.nav > a {
  color: var(--ink-soft);
  position: relative;
}
.nav > a:hover { color: var(--accent); text-decoration: none; }

.nav-cta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-left: 8px;
  padding-left: 20px;
  border-left: 1px solid var(--line);
}
.nav-cta .btn { padding: 9px 18px; font-size: 14px; }

.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: transparent;
  cursor: pointer;
  padding: 0;
  position: relative;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  position: absolute;
  left: 50%;
  width: 18px;
  height: 1.5px;
  background: var(--ink);
  transform: translateX(-50%);
  transition: transform .2s ease, opacity .2s ease;
}
.nav-toggle span { top: 50%; margin-top: -0.75px; }
.nav-toggle span::before { content: ""; top: -6px; }
.nav-toggle span::after { content: ""; top: 6px; }
.nav-toggle[aria-expanded="true"] span { background: transparent; }
.nav-toggle[aria-expanded="true"] span::before { transform: translateX(-50%) translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span::after { transform: translateX(-50%) translateY(-6px) rotate(-45deg); }

/* ---------- 首屏 ---------- */
.hero {
  padding: 72px 0 96px;
  border-bottom: 1px solid var(--line);
}
.hero .wrap {
  display: grid;
  grid-template-columns: 1.12fr .88fr;
  gap: 64px;
  align-items: center;
}

.status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13.5px;
  color: var(--muted);
  margin-bottom: 22px;
  padding: 6px 14px 6px 10px;
  background: var(--accent-soft);
  border-radius: 999px;
}
.status i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #2e8b57;
  box-shadow: 0 0 0 3px rgba(46, 139, 87, .18);
}

.hero h1 {
  font-size: clamp(27px, 3.1vw, 40px);
  letter-spacing: -0.02em;
  line-height: 1.32;
  margin-bottom: 24px;
  text-wrap: wrap;
}
.hero h1 em {
  font-style: normal;
  color: var(--accent);
  position: relative;
}
.hero h1 em::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 4px;
  height: 8px;
  background: var(--accent);
  opacity: .14;
  border-radius: 2px;
  z-index: -1;
}

.lead {
  font-size: 17px;
  color: var(--ink-soft);
  line-height: 1.8;
  max-width: 40em;
  margin-bottom: 32px;
}

.hero-offer {
  display: flex;
  align-items: center;
  gap: 28px;
  flex-wrap: wrap;
  margin-bottom: 40px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--line);
}
.hero-price {
  display: flex;
  align-items: baseline;
  gap: 6px;
}
.hero-price b {
  font-family: var(--serif);
  font-size: 40px;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1;
}
.hero-price small { font-size: 14px; color: var(--muted); }

.hero-actions { display: flex; gap: 12px; align-items: center; }

.hero-meta {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px 28px;
  margin: 0;
}
.hero-meta div { display: flex; flex-direction: column; gap: 2px; }
.hero-meta dt {
  font-size: 12px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--muted);
}
.hero-meta dd {
  margin: 0;
  font-size: 14.5px;
  color: var(--ink-soft);
}
.hero-meta dd small { color: var(--muted); }

/* ---------- 首屏插图（终端窗口） ---------- */
.hero-art {
  margin: 0;
  perspective: 1200px;
}
.art-frame {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: #1b1d1b;
  box-shadow:
    0 1px 0 rgba(255,255,255,.06) inset,
    0 24px 60px -20px rgba(26,26,24,.45),
    0 4px 14px -6px rgba(26,26,24,.25);
  transform: rotateY(-4deg) rotateX(1.5deg);
  transition: transform .5s ease;
}
.hero-art:hover .art-frame { transform: rotateY(0) rotateX(0); }

.art-screen { padding: 20px 22px 26px; }

.term {
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.85;
  color: #d6d3cb;
  min-height: 260px;
}
.term p { margin: 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.term .prompt { color: #6ec09a; margin-right: 6px; }
.term .dim { color: #8f918a; }
.term .ok { color: #6ec09a; }
.term .cursor { color: #6ec09a; animation: blink 1.1s step-end infinite; }
@keyframes blink { 50% { opacity: 0; } }

.art-base {
  height: 6px;
  background: linear-gradient(to bottom, #2a2c2a, #161816);
  border-top: 1px solid rgba(255,255,255,.05);
}

/* ---------- 通用区块 ---------- */
.section { padding: 96px 0; }
.section-alt { background: var(--paper-alt); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }

.section-head { max-width: 760px; margin-bottom: 56px; }
.eyebrow {
  font-size: 12.5px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 14px;
}
.section-head h2 {
  font-size: clamp(27px, 3.6vw, 38px);
  margin-bottom: 18px;
}
.section-intro {
  font-size: 16.5px;
  color: var(--ink-soft);
  line-height: 1.8;
}

/* ---------- 网格 ---------- */
.grid { display: grid; gap: 20px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  padding: 28px 26px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: border-color .18s ease, transform .18s ease;
}
.card:hover { border-color: var(--line-strong); transform: translateY(-2px); }
.card-num {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--accent);
  letter-spacing: .06em;
  margin-bottom: 14px;
}
.card h3 { font-size: 19px; margin-bottom: 10px; }
.card p { font-size: 14.5px; color: var(--muted); line-height: 1.75; }

.feature { padding: 26px 0; border-top: 1px solid var(--line); }
.grid-2 .feature:nth-child(-n+2) { border-top: none; padding-top: 0; }
.feature h3 { font-size: 18px; margin-bottom: 8px; }
.feature p { font-size: 14.5px; color: var(--muted); }

.usecase { padding: 24px 22px; background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); }
.usecase h3 { font-size: 17px; margin-bottom: 8px; }
.usecase p { font-size: 14px; color: var(--muted); }

.disclaimer {
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  font-size: 13.5px;
  color: var(--muted);
  max-width: 62em;
}

/* ---------- 设备规格 ---------- */
.spec-grid {
  display: grid;
  grid-template-columns: 1.3fr .7fr;
  gap: 56px;
  align-items: start;
}
.spec-list { margin: 0; display: grid; gap: 0; }
.spec-list > div {
  display: grid;
  grid-template-columns: 108px 1fr;
  gap: 20px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}
.spec-list > div:first-child { padding-top: 0; }
.spec-list dt { font-size: 13.5px; color: var(--muted); }
.spec-list dd { margin: 0; font-size: 14.5px; color: var(--ink-soft); }

.spec-side {
  padding: 28px 26px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.spec-side h3 { font-size: 16px; margin-bottom: 16px; }

.check-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 9px; }
.check-list li {
  position: relative;
  padding-left: 24px;
  font-size: 14.5px;
  color: var(--ink-soft);
}
.check-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
}

.note { margin-top: 16px; font-size: 13px; color: var(--muted); }

/* ---------- 价格 ---------- */
.price-card {
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 0;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--paper);
}
.price-main { padding: 40px 40px 36px; }
.price-side {
  padding: 40px 36px;
  background: var(--paper-alt);
  border-left: 1px solid var(--line);
}

.price-label { font-size: 13px; color: var(--muted); letter-spacing: .04em; margin-bottom: 10px; }
.price-amount { display: flex; align-items: baseline; gap: 6px; margin-bottom: 12px; }
.price-amount b {
  font-family: var(--serif);
  font-size: 46px;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1;
}
.price-amount span { font-size: 15px; color: var(--muted); }
.price-desc { font-size: 14.5px; color: var(--ink-soft); margin-bottom: 28px; }
.price-main .check-list { margin-bottom: 30px; }
.price-foot { margin-top: 14px; font-size: 12.5px; color: var(--muted); text-align: center; }

.cycle-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14.5px;
}
.cycle-table th, .cycle-table td {
  text-align: left;
  padding: 11px 0;
  border-bottom: 1px solid var(--line);
  font-weight: 400;
}
.cycle-table tr:last-child th, .cycle-table tr:last-child td { border-bottom: none; }
.cycle-table th { color: var(--ink-soft); font-size: 14px; }
.cycle-table td { text-align: right; color: var(--ink); }
.cycle-table td small { color: var(--accent); font-size: 12px; margin-left: 6px; }

.price-notes {
  margin-top: 36px;
  display: grid;
  gap: 10px;
  font-size: 13.5px;
  color: var(--muted);
  line-height: 1.8;
}
.price-notes b { color: var(--ink-soft); font-weight: 600; }

/* ---------- 流程 ---------- */
.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  counter-reset: step;
}
.steps li { position: relative; padding-top: 30px; border-top: 2px solid var(--line-strong); }
.step-num {
  position: absolute;
  top: -13px;
  left: 0;
  background: var(--paper-alt);
  padding-right: 12px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--accent);
}
.steps h3 { font-size: 17px; margin-bottom: 8px; }
.steps p { font-size: 14px; color: var(--muted); }

/* ---------- 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: 20px 0;
  cursor: pointer;
  font-size: 16px;
  font-weight: 500;
  list-style: none;
  color: var(--ink);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary:hover { color: var(--accent); }
.faq summary i {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  position: relative;
  transition: transform .2s ease;
}
.faq summary i::before,
.faq summary i::after {
  content: "";
  position: absolute;
  background: currentColor;
  border-radius: 1px;
}
.faq summary i::before { left: 50%; top: 4px; bottom: 4px; width: 1.5px; transform: translateX(-50%); }
.faq summary i::after { top: 50%; left: 4px; right: 4px; height: 1.5px; transform: translateY(-50%); }
.faq details[open] summary i { transform: rotate(45deg); }
.faq details p {
  padding: 0 0 22px;
  font-size: 15px;
  color: var(--muted);
  line-height: 1.85;
  max-width: 62em;
}
.faq-more { margin-top: 36px; font-size: 14.5px; color: var(--muted); }

/* ---------- CTA ---------- */
.cta-section {
  background: var(--ink);
  color: var(--paper);
  text-align: center;
  padding: 88px 0;
}
.cta-section h2 { font-size: clamp(26px, 3.4vw, 36px); margin-bottom: 14px; color: var(--paper); }
.cta-section p { color: rgba(250,247,240,.75); margin-bottom: 32px; font-size: 16px; }
.cta-section .btn { background: var(--paper); color: var(--ink); border-color: var(--paper); }
.cta-section .btn:hover { background: #fff; border-color: #fff; }

/* ---------- 页脚 ---------- */
.site-footer {
  padding: 64px 0 40px;
  border-top: 1px solid var(--line);
  font-size: 14px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 48px;
}
.footer-brand { font-family: var(--serif); font-size: 18px; font-weight: 600; margin-bottom: 10px; }
.footer-desc { color: var(--muted); font-size: 13.5px; line-height: 1.7; max-width: 30em; }
.site-footer h3 {
  font-family: var(--sans);
  font-size: 12.5px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 14px;
  font-weight: 500;
}
.site-footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 9px; }
.site-footer ul a { color: var(--ink-soft); font-size: 14px; }
.site-footer ul a:hover { color: var(--accent); }
.footer-bottom {
  padding-top: 28px;
  border-top: 1px solid var(--line);
  font-size: 12.5px;
  color: var(--muted);
}

/* ---------- 响应式 ---------- */
@media (max-width: 960px) {
  .hero .wrap { grid-template-columns: 1fr; gap: 48px; }
  .hero-art { max-width: 520px; }
  .spec-grid { grid-template-columns: 1fr; gap: 36px; }
  .price-card { grid-template-columns: 1fr; }
  .price-side { border-left: none; border-top: 1px solid var(--line); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); gap: 36px 28px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 720px) {
  .nav-toggle { display: block; }
  .nav {
    position: fixed;
    inset: 68px 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    padding: 8px 24px 24px;
    display: none;
    max-height: calc(100vh - 68px);
    overflow-y: auto;
  }
  .nav.is-open { display: flex; }
  .nav > a {
    padding: 14px 0;
    border-bottom: 1px solid var(--line);
    font-size: 15.5px;
  }
  .nav-cta {
    margin: 20px 0 0;
    padding: 0;
    border-left: none;
    flex-direction: column;
    align-items: stretch;
  }
  .nav-cta .btn { width: 100%; padding: 12px; }

  .hero { padding: 48px 0 64px; }
  .hero-offer { flex-direction: column; align-items: flex-start; gap: 18px; }
  .hero-meta { grid-template-columns: 1fr; gap: 14px; }
  .section { padding: 64px 0; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .grid-2 .feature:nth-child(2) { border-top: 1px solid var(--line); padding-top: 26px; }
  .steps { grid-template-columns: 1fr; }
  .price-main, .price-side { padding: 30px 24px; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .terms-table { font-size: 13px; }
}

/* ---------- 价格徽标与划线价 ---------- */
.hero-price s,
.price-amount s {
  font-size: 15px;
  color: var(--muted);
  text-decoration: line-through;
  margin-left: 4px;
}
.hero-price .badge,
.price-label .badge {
  display: inline-block;
  font-size: 11.5px;
  font-style: normal;
  letter-spacing: .04em;
  color: #fff;
  background: var(--accent);
  padding: 3px 9px;
  border-radius: 999px;
  margin-left: 8px;
  vertical-align: middle;
  white-space: nowrap;
}
.price-label { display: flex; align-items: center; flex-wrap: wrap; gap: 4px; }


/* ---------- 卡片内小注 ---------- */
.card-note {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  font-size: 12.5px !important;
  line-height: 1.7;
  color: var(--muted);
}
@media (max-width: 720px) {
  .card-note { font-size: 12px !important; }
}

/* ---------- 申请表单 ---------- */
.order-form {
  background: var(--paper);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-lg);
  padding: 36px 36px 30px;
}
.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.field { margin-bottom: 20px; }
.field label {
  display: block;
  font-size: 13.5px;
  color: var(--ink-soft);
  margin-bottom: 8px;
  font-weight: 500;
}
.field .req { color: #b4453a; margin-left: 2px; }
.field input,
.field select,
.field textarea {
  width: 100%;
  font-family: inherit;
  font-size: 15px;
  color: var(--ink);
  background: #fff;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  padding: 11px 13px;
  line-height: 1.6;
  transition: border-color .16s ease, box-shadow .16s ease;
}
.field textarea { resize: vertical; min-height: 96px; }
.field input::placeholder,
.field textarea::placeholder { color: #a8a49b; }
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(30, 90, 72, .12);
}
.field select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1.5 6 6.5 11 1.5' stroke='%236b6862' stroke-width='1.6' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 38px;
}
.order-form .btn { margin-top: 8px; }
.order-form .btn[disabled] { opacity: .55; cursor: not-allowed; }

.form-status {
  margin-top: 16px;
  font-size: 14px;
  text-align: center;
  min-height: 21px;
  color: var(--muted);
}
.form-status.ok { color: var(--accent); }
.form-status.err { color: #b4453a; }

.form-note {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  font-size: 12.5px;
  color: var(--muted);
  line-height: 1.7;
  text-align: center;
}

@media (max-width: 720px) {
  .order-form { padding: 26px 20px 22px; }
  .field-row { grid-template-columns: 1fr; gap: 0; }
}

/* ---------- 无障碍：正文链接加下划线 ---------- */
p a:not(.btn),
.faq-more a,
.price-notes a,
.form-note a,
.disclaimer a,
.field label a {
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

/* ---------- Claude Code 提示框 ---------- */
.callout-box {
  margin-top: 40px;
  padding: 28px 30px;
  background: var(--accent-soft);
  border-left: 3px solid var(--accent);
  border-radius: 0 var(--radius) var(--radius) 0;
}
.callout-box p { margin: 0 0 10px; font-size: 15.5px; color: var(--ink-soft); line-height: 1.8; }
.callout-box p:last-child { margin-bottom: 0; }
.callout-box .note { font-size: 13.5px; color: var(--muted); margin-top: 14px; }

/* ---------- 三档价格卡 ---------- */
.tier-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 28px;
}
.tier {
  display: flex;
  flex-direction: column;
  padding: 30px 26px;
  background: var(--paper);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-lg);
}
.tier-featured {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent), 0 12px 32px -16px rgba(30,90,72,.35);
}
.tier-name {
  font-size: 14px;
  color: var(--muted);
  letter-spacing: .02em;
  margin-bottom: 12px;
}
.tier-price { display: flex; align-items: baseline; gap: 6px; margin-bottom: 10px; }
.tier-price b {
  font-family: var(--serif);
  font-size: 38px;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1;
}
.tier-price span { font-size: 14px; color: var(--muted); }
.tier-desc { font-size: 14px; color: var(--ink-soft); margin-bottom: 20px; min-height: 42px; }
.tier .check-list { flex: 1; margin-bottom: 24px; }
.tier .check-list li { font-size: 14px; }

.price-side-wide {
  border-left: none;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--paper-alt);
  padding: 28px 30px;
}

@media (max-width: 960px) {
  .tier-grid { grid-template-columns: 1fr; }
  .tier-desc { min-height: 0; }
}

.footer-legal { margin-top: 10px; font-size: 12px; color: var(--muted); line-height: 1.7; }


/* ---------- 线路对比 ---------- */
.line-compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 32px;
}
.line-card {
  padding: 24px 26px;
  background: var(--paper-alt);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.line-card-dedicated {
  background: var(--accent-soft);
  border-color: var(--accent);
}
.line-card h3 {
  font-size: 17px;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.line-card p { font-size: 14.5px; color: var(--ink-soft); line-height: 1.8; margin: 0; }

/* ---------- 卡内双价格 ---------- */
.tier-lines {
  display: grid;
  gap: 8px;
  margin-bottom: 14px;
}
.tier-line {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  padding: 9px 13px;
  background: var(--paper-alt);
  border: 1px solid transparent;
  border-radius: 8px;
}
.tier-line-dedicated {
  background: var(--accent-soft);
  border-color: var(--accent);
}
.line-tag {
  font-size: 12.5px;
  color: var(--muted);
  white-space: nowrap;
}
.tier-line-dedicated .line-tag {
  color: var(--accent);
  font-weight: 600;
}
.line-price {
  font-size: 12.5px;
  color: var(--muted);
  white-space: nowrap;
}
.line-price b {
  font-family: var(--serif);
  font-size: 25px;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin-right: 2px;
}
.tier-line-dedicated .line-price b { color: var(--accent); }

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


/* ---------- 产品图区块（深色高级感） ---------- */
.showroom {
  background: linear-gradient(155deg, #161917 0%, #1f2a25 45%, #171a18 100%);
  color: var(--paper);
  padding: 110px 0;
  border-top: 1px solid rgba(250,247,240,.08);
  border-bottom: 1px solid rgba(250,247,240,.08);
}
.showroom .eyebrow { color: rgba(250,247,240,.5); }
.showroom-inner {
  display: grid;
  grid-template-columns: 1fr 1.05fr;
  gap: 72px;
  align-items: center;
}
.showroom-copy h2 {
  font-size: clamp(30px, 3.8vw, 44px);
  color: var(--paper);
  margin-bottom: 24px;
  line-height: 1.3;
}
.showroom-text {
  font-size: 16.5px;
  line-height: 1.85;
  color: rgba(250,247,240,.68);
  margin-bottom: 36px;
  max-width: 32em;
}
.showroom-specs {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px 28px;
  border-top: 1px solid rgba(250,247,240,.12);
  padding-top: 28px;
}
.showroom-specs li { display: flex; flex-direction: column; gap: 3px; }
.showroom-specs span {
  font-size: 12px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: rgba(250,247,240,.62);
}
.showroom-specs b {
  font-size: 15.5px;
  font-weight: 500;
  color: rgba(250,247,240,.92);
}

.showroom-art { margin: 0; }
.macmini {
  width: 100%;
  height: auto;
  display: block;
  filter: drop-shadow(0 30px 60px rgba(0,0,0,.45));
}

@media (max-width: 960px) {
  .showroom { padding: 72px 0; }
  .showroom-inner { grid-template-columns: 1fr; gap: 48px; }
  .showroom-art { max-width: 480px; margin: 0 auto; }
}
@media (max-width: 720px) {
  .showroom-specs { grid-template-columns: 1fr; gap: 14px; }
}

/* ---------- 首屏终端：Claude Code 版 ---------- */
.term .cc-box {
  color: #6ec09a;
}
.term .cc-prompt {
  color: #8fd0b4;
}
.term .cc-ok { color: #6ec09a; }
.term .cc-dim { color: #6b6d68; }
.term .cc-bar {
  display: inline-block;
  height: 1px;
  width: 100%;
  background-image: linear-gradient(to right, #3a3d3a 60%, transparent 0);
  background-size: 6px 1px;
  background-repeat: repeat-x;
  vertical-align: middle;
}

/* ---------- 子页面 ---------- */
.hero-sub { padding: 96px 0 72px; }
.hero-sub h1 { font-size: clamp(28px, 3.6vw, 44px); margin-bottom: 20px; line-height: 1.28; }
.hero-sub .lead { max-width: 44em; }
.brand-mark {
  display: inline-block;
  width: 26px; height: 26px;
  border-radius: 6px;
  background: var(--accent);
  position: relative;
  flex: none;
}
.brand-mark::after {
  content: "";
  position: absolute;
  inset: 7px 5px;
  border: 2px solid var(--paper);
  border-radius: 3px;
}
.brand { display: inline-flex; align-items: center; gap: 10px; }

@media (max-width: 720px) {
  .hero-sub { padding: 64px 0 48px; }
}
/* 子页面 hero：单列，不要继承首页的两列 grid */
.hero-sub .wrap {
  display: block;
  max-width: var(--wrap-narrow);
}
.hero-sub .hero-actions { margin-top: 28px; }
.hero-sub .hero-price { margin: 26px 0 0; }