/* ==========================================================================
   珊瑚应用中文站样式
   与英文站共用母品牌语言（靛蓝、几何、克制），中文排版单独优化。
   纯静态、零外部依赖。
   ========================================================================== */

:root {
  --paper: #fbfbf9;
  --paper-2: #f1f3f8;
  --surface: #ffffff;

  --ink: #1e2746;
  --ink-2: #36405d;
  --body: #4b566f;
  --muted: #6c7488;
  --line: rgba(30, 39, 70, 0.12);
  --line-soft: rgba(30, 39, 70, 0.07);

  --indigo: #24367e;
  --indigo-deep: #1d2b63;
  --indigo-soft: #e9edf9;

  --blue: #1467d8;
  --blue-soft: #e8f0fe;
  --green: #0e7a63;
  --green-soft: #e5f4ef;
  --violet: #5b54c8;
  --violet-soft: #ecebfa;

  --accent: var(--blue);
  --accent-soft: var(--blue-soft);

  /* 中文优先的系统字体栈：苹果、鸿蒙、Windows、思源、Noto 依次回退。 */
  --font-sans: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei UI", "Microsoft YaHei",
    "Source Han Sans SC", "Noto Sans SC", "Hiragino Sans GB", "Segoe UI", Arial, sans-serif;
  --font-mono: "Cascadia Mono", "SFMono-Regular", Consolas, "Liberation Mono", "Microsoft YaHei",
    monospace;

  --radius-sm: 10px;
  --radius: 18px;
  --radius-lg: 26px;

  --shadow-sm: 0 1px 2px rgba(30, 39, 78, 0.04), 0 10px 24px -16px rgba(30, 39, 78, 0.2);
  --shadow-md: 0 2px 4px rgba(30, 39, 78, 0.04), 0 24px 48px -24px rgba(30, 39, 78, 0.24);
  --shadow-lg: 0 4px 8px rgba(30, 39, 78, 0.04), 0 44px 80px -32px rgba(30, 39, 78, 0.3);
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--body);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.8;
  letter-spacing: 0.01em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body.theme-countdown {
  --accent: var(--blue);
  --accent-soft: var(--blue-soft);
}

body.theme-autorun {
  --accent: var(--green);
  --accent-soft: var(--green-soft);
}

body.theme-tools {
  --accent: var(--violet);
  --accent-soft: var(--violet-soft);
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
}

p {
  margin: 0;
}

ul,
ol {
  margin: 0;
  padding: 0;
}

::selection {
  background: var(--accent-soft);
  color: var(--ink);
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

.skip-link {
  position: absolute;
  left: 16px;
  top: -64px;
  z-index: 100;
  padding: 10px 18px;
  background: var(--indigo);
  color: #fff;
  border-radius: 8px;
  font-size: 14px;
  text-decoration: none;
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: 12px;
}

.container {
  width: min(1120px, calc(100% - 48px));
  margin-inline: auto;
}

/* ---------- 顶部导航 ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(251, 251, 249, 0.88);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line-soft);
}

.nav {
  display: flex;
  align-items: center;
  gap: 26px;
  min-height: 72px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--ink);
  font-size: 21px;
  font-weight: 700;
  letter-spacing: 0.02em;
  flex-shrink: 0;
}

.brand img {
  width: 30px;
  height: 30px;
  border-radius: 8px;
}

.brand .brand-sub {
  display: block;
  margin-left: 2px;
  font-size: 10.5px;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--muted);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2px;
  margin-left: auto;
  list-style: none;
}

.nav-links a {
  display: inline-block;
  padding: 8px 13px;
  border-radius: 999px;
  font-size: 14.5px;
  color: var(--ink-2);
  text-decoration: none;
  transition: background 0.18s ease, color 0.18s ease;
}

.nav-links a:hover {
  background: rgba(30, 39, 70, 0.05);
  color: var(--ink);
}

.nav-links a[aria-current="page"] {
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 600;
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 40px;
  padding: 0 18px;
  border-radius: 999px;
  background: var(--indigo);
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
  transition: transform 0.18s ease, background 0.18s ease;
}

.nav-cta:hover {
  background: var(--indigo-deep);
  transform: translateY(-1px);
}

.nav-toggle {
  display: none;
  margin-left: auto;
  height: 38px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 13.5px;
  font-weight: 600;
  cursor: pointer;
}

/* ---------- 文字层级 ---------- */

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--muted);
}

.eyebrow::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-sans);
  color: var(--ink);
  font-weight: 700;
  margin: 0;
}

h1 {
  font-size: clamp(32px, 4.2vw, 48px);
  line-height: 1.3;
  letter-spacing: -0.015em;
}

.h1-line {
  display: block;
}

h1 .hl,
h2 .hl {
  color: var(--accent);
}

h2 {
  font-size: clamp(25px, 3.2vw, 37px);
  line-height: 1.4;
  letter-spacing: 0;
}

h3 {
  font-size: 19px;
  line-height: 1.55;
  letter-spacing: 0.005em;
}

.lede {
  margin-top: 20px;
  max-width: 40em;
  font-size: 17px;
  line-height: 1.95;
  color: var(--body);
}

.section-lead {
  margin-top: 14px;
  max-width: 34em;
  font-size: 15.5px;
  line-height: 1.9;
  color: var(--body);
  text-wrap: pretty;
}

.microcopy {
  margin-top: 16px;
  font-size: 12.5px;
  line-height: 1.8;
  color: var(--muted);
}

.microcopy .sep {
  margin: 0 8px;
  color: rgba(30, 39, 70, 0.22);
}

/* ---------- 按钮 ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 46px;
  padding: 0 22px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-family: var(--font-sans);
  font-size: 14.5px;
  font-weight: 600;
  letter-spacing: 0.01em;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease,
    border-color 0.18s ease;
}

.btn .arrow {
  transition: transform 0.18s ease;
}

.btn:hover .arrow {
  transform: translateX(3px);
}

.btn-primary {
  background: var(--indigo);
  color: #fff;
  box-shadow: 0 10px 24px -14px rgba(36, 54, 126, 0.55);
}

.btn-primary:hover {
  background: var(--indigo-deep);
  transform: translateY(-2px);
  box-shadow: 0 16px 30px -16px rgba(36, 54, 126, 0.55);
}

.btn-accent {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 10px 24px -14px var(--accent);
}

.btn-accent:hover {
  filter: brightness(0.94);
  transform: translateY(-2px);
}

.btn-ghost {
  background: var(--surface);
  border-color: var(--line);
  color: var(--ink);
}

.btn-ghost:hover {
  border-color: rgba(30, 39, 70, 0.24);
  transform: translateY(-2px);
}

.btn-band {
  background: var(--indigo);
  color: #fff;
  box-shadow: 0 10px 24px -14px rgba(36, 54, 126, 0.5);
}

.btn-band:hover {
  background: var(--indigo-deep);
  transform: translateY(-2px);
}

.btn-band-outline {
  background: transparent;
  border-color: rgba(36, 54, 126, 0.32);
  color: var(--indigo);
}

.btn-band-outline:hover {
  border-color: var(--indigo);
  background: rgba(36, 54, 126, 0.06);
  transform: translateY(-2px);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

/* ---------- 首页 Hero ---------- */

.hero {
  position: relative;
  padding: 72px 0 54px;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: -280px;
  right: -200px;
  width: 740px;
  height: 740px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(20, 103, 216, 0.09), transparent 62%);
  pointer-events: none;
}

.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}

.hero-grid > *,
.page-hero-grid > * {
  min-width: 0;
}

.hero h1 {
  margin-top: 20px;
}

/* ---------- Hero 演示区 ---------- */

.stage {
  position: relative;
  min-height: 468px;
}

.stage::before {
  content: "";
  position: absolute;
  inset: -2% -4% 2% -2%;
  border-radius: 44px;
  background:
    radial-gradient(circle at 30% 28%, rgba(20, 103, 216, 0.13), transparent 55%),
    radial-gradient(circle at 76% 74%, rgba(14, 122, 99, 0.1), transparent 55%),
    radial-gradient(circle at 82% 18%, rgba(91, 84, 200, 0.09), transparent 50%);
  filter: blur(22px);
}

.mock {
  position: absolute;
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
}

.mock-dark {
  background: linear-gradient(158deg, #2e3f80 0%, #1c2757 100%);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.mock-light {
  background: var(--surface);
  border: 1px solid var(--line);
  color: var(--ink);
}

.mock-label {
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: rgba(255, 255, 255, 0.58);
}

.mock-countdown {
  top: 16px;
  left: 0;
  width: 308px;
  padding: 22px 24px 24px;
  z-index: 2;
}

.mock-countdown .mock-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.mock-countdown .dot-live {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 10.5px;
  color: rgba(255, 255, 255, 0.62);
}

.mock-countdown .dot-live::before {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: #5ee0b5;
  box-shadow: 0 0 0 3px rgba(94, 224, 181, 0.16);
}

.mock-countdown .count {
  font-family: var(--font-mono);
  font-size: 74px;
  line-height: 1;
  letter-spacing: -0.04em;
  margin-top: 20px;
}

.mock-countdown .count small {
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.55);
  margin-left: 8px;
}

.count-caption {
  margin-top: 8px;
  font-size: 12.5px;
  color: rgba(255, 255, 255, 0.62);
}

.mock-bar {
  height: 5px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  margin-top: 20px;
  overflow: hidden;
}

.mock-bar span {
  display: block;
  height: 100%;
  width: 64%;
  border-radius: inherit;
  background: linear-gradient(90deg, #5b9bff, #8fd0ff);
}

.mock-countdown .mock-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.09);
  font-size: 11px;
  color: rgba(255, 255, 255, 0.52);
}

.mock-countdown .pomo {
  display: flex;
  align-items: center;
  gap: 8px;
  color: rgba(255, 255, 255, 0.82);
}

.pomo-ring {
  width: 21px;
  height: 21px;
  border-radius: 50%;
  background: conic-gradient(#5ee0b5 0 68%, rgba(255, 255, 255, 0.14) 68% 100%);
  display: grid;
  place-items: center;
}

.pomo-ring::after {
  content: "";
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: #202c5d;
}

.mock-autorun {
  right: 0;
  bottom: 4px;
  width: 332px;
  padding: 20px 20px 18px;
  z-index: 3;
}

.mock-autorun .list-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line-soft);
}

.mock-autorun .list-head strong {
  font-size: 12.5px;
  color: var(--ink);
  letter-spacing: 0.02em;
}

.mock-autorun .list-head span {
  font-size: 10px;
  color: var(--muted);
}

.auto-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px dashed var(--line-soft);
  font-size: 12px;
  color: var(--ink-2);
}

.auto-row:last-of-type {
  border-bottom: 0;
}

.auto-name {
  min-width: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.auto-state {
  margin-left: auto;
  font-size: 10px;
  color: var(--muted);
}

.auto-row.is-on .auto-state {
  color: var(--green);
}

.auto-row.is-off .auto-name {
  color: var(--muted);
}

.auto-switch {
  width: 28px;
  height: 16px;
  border-radius: 999px;
  background: #dfe3ec;
  position: relative;
  flex-shrink: 0;
}

.auto-switch::after {
  content: "";
  position: absolute;
  left: 2px;
  top: 2px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 1px 2px rgba(30, 39, 78, 0.18);
}

.auto-row.is-on .auto-switch {
  background: var(--green);
}

.auto-row.is-on .auto-switch::after {
  left: 14px;
}

.mock-autorun .list-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 10px;
  padding-top: 12px;
  border-top: 1px solid var(--line-soft);
  font-size: 10.5px;
  color: var(--muted);
}

.mock-autorun .list-foot strong {
  color: var(--green);
  font-size: 10.5px;
  letter-spacing: 0.02em;
}

.mock-tools {
  top: 4px;
  right: 12px;
  width: 176px;
  padding: 14px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  z-index: 1;
  box-shadow: var(--shadow-md);
}

.tool-chip {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--violet);
  background: var(--violet-soft);
  border-radius: 6px;
  padding: 4px 7px;
}

.tool-chip:nth-child(2n) {
  color: #2f6f5f;
  background: #e7f3ee;
}

.tool-chip:nth-child(3n) {
  color: #9a5b1d;
  background: #f8eee2;
}

/* ---------- 信任条 ---------- */

.trust {
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
  background: rgba(255, 255, 255, 0.62);
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  padding: 24px 0;
}

.trust-item {
  display: flex;
  gap: 11px;
  align-items: flex-start;
}

.trust-item svg {
  width: 19px;
  height: 19px;
  color: var(--accent);
  flex-shrink: 0;
  margin-top: 5px;
}

.trust-item strong {
  display: block;
  font-size: 13px;
  color: var(--ink);
  font-weight: 600;
}

.trust-item span {
  display: block;
  font-size: 11.5px;
  color: var(--muted);
  line-height: 1.65;
  margin-top: 2px;
}

/* ---------- 通用区块 ---------- */

.section {
  padding: 78px 0;
}

.section-tight {
  padding: 58px 0;
}

.band {
  background: var(--paper-2);
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 40px;
  margin-bottom: 36px;
}

.section-head h2 {
  margin-top: 14px;
}

.section-head .section-lead {
  max-width: 26em;
  margin-bottom: 4px;
  text-align: right;
}

/* ---------- 产品卡片 ---------- */

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.product-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 28px 26px 24px;
  overflow: hidden;
  transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
}

.product-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--card-accent);
}

.product-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
  border-color: rgba(30, 39, 70, 0.14);
}

.product-card.accent-blue {
  --card-accent: var(--blue);
  --card-soft: var(--blue-soft);
}

.product-card.accent-green {
  --card-accent: var(--green);
  --card-soft: var(--green-soft);
}

.product-card.accent-violet {
  --card-accent: var(--violet);
  --card-soft: var(--violet-soft);
}

.product-icon {
  width: 44px;
  height: 44px;
  border-radius: 13px;
  background: var(--card-soft);
  color: var(--card-accent);
  display: grid;
  place-items: center;
}

.product-icon svg {
  width: 23px;
  height: 23px;
}

.product-card h3 {
  margin-top: 18px;
  font-size: 22px;
}

.product-role {
  margin-top: 2px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--card-accent);
}

.product-desc {
  margin-top: 12px;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--body);
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 15px;
}

.tag {
  font-size: 10.5px;
  font-weight: 500;
  color: var(--body);
  border: 1px solid var(--line);
  background: var(--paper);
  border-radius: 999px;
  padding: 3px 9px;
}

.feature-list {
  list-style: none;
  margin-top: 16px;
  display: grid;
  gap: 8px;
}

.feature-list li {
  position: relative;
  padding-left: 21px;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--body);
}

.feature-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 7px;
  width: 10px;
  height: 5px;
  border-left: 1.6px solid var(--card-accent);
  border-bottom: 1.6px solid var(--card-accent);
  transform: rotate(-45deg);
}

.card-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-top: auto;
  padding-top: 22px;
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--card-accent);
  text-decoration: none;
}

.card-link .arrow {
  transition: transform 0.18s ease;
}

.card-link:hover .arrow {
  transform: translateX(3px);
}

.ext-link {
  display: inline-grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 1px solid var(--line);
  color: var(--muted);
  transition: color 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}

.ext-link:hover {
  color: var(--card-accent);
  border-color: var(--card-accent);
  background: var(--card-soft);
}

.ext-link svg {
  width: 14px;
  height: 14px;
}

.card-get {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  margin-top: 14px;
  min-height: 38px;
  border-radius: 10px;
  background: var(--card-soft);
  color: var(--card-accent);
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  transition: background 0.18s ease, color 0.18s ease;
}

.card-get:hover {
  background: var(--card-accent);
  color: #fff;
}

/* ---------- 做法步骤 ---------- */

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-top: 44px;
}

.step {
  border-top: 1px solid var(--line);
  padding-top: 20px;
}

.step-index {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--accent);
}

.step h3 {
  margin-top: 12px;
  font-size: 20px;
}

.step p {
  margin-top: 8px;
  font-size: 14px;
  line-height: 1.9;
  color: var(--body);
}

/* ---------- 事实表 ---------- */

.fact-table {
  margin-top: 38px;
  border-top: 1px solid var(--line);
}

.fact-row {
  display: grid;
  grid-template-columns: 176px 1fr auto;
  gap: 24px;
  align-items: baseline;
  padding: 19px 0;
  border-bottom: 1px solid var(--line-soft);
}

.fact-row .fact-name {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 17px;
  font-weight: 700;
  color: var(--ink);
}

.fact-row .fact-name .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  flex-shrink: 0;
}

.fact-row p {
  font-size: 14px;
  line-height: 1.8;
  color: var(--body);
}

.fact-row .fact-link {
  font-size: 13px;
  font-weight: 600;
  color: var(--muted);
  text-decoration: none;
  white-space: nowrap;
}

.fact-row .fact-link:hover {
  color: var(--ink);
}

/* ---------- FAQ ---------- */

.faq {
  max-width: 800px;
  margin: 36px auto 0;
  border-top: 1px solid var(--line);
}

.faq details {
  border-bottom: 1px solid var(--line-soft);
}

.faq summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 19px 4px;
  cursor: pointer;
  list-style: none;
  font-size: 17px;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.6;
}

.faq summary::-webkit-details-marker {
  display: none;
}

.faq summary::after {
  content: "+";
  font-size: 20px;
  font-weight: 400;
  color: var(--muted);
  transition: transform 0.2s ease;
  flex-shrink: 0;
}

.faq details[open] summary::after {
  transform: rotate(45deg);
}

.faq .answer {
  padding: 0 42px 20px 4px;
  font-size: 14.5px;
  line-height: 1.95;
  color: var(--body);
}

.faq .answer a {
  color: var(--accent);
  text-decoration: none;
}

.faq .answer a:hover {
  text-decoration: underline;
}

/* ---------- 联系卡片 ---------- */

.contact-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  margin-top: 40px;
  padding: 26px 28px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}

.contact-card .contact-copy h3 {
  font-size: 18px;
}

.contact-card .contact-copy p {
  margin-top: 6px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--body);
}

.contact-card .contact-qq {
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 600;
  color: var(--indigo);
}

.contact-card img {
  width: 104px;
  height: auto;
  border-radius: 8px;
  border: 1px solid var(--line-soft);
}

/* ---------- CTA 横幅 ---------- */

.cta-band {
  position: relative;
  overflow: hidden;
  background: linear-gradient(150deg, #eef1fb 0%, #e3e8f6 100%);
  border: 1px solid rgba(36, 54, 126, 0.12);
  color: var(--ink);
  border-radius: var(--radius-lg);
  padding: 52px 52px 50px;
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: 40px;
  align-items: center;
}

.cta-band::before {
  content: "";
  position: absolute;
  top: -160px;
  right: -120px;
  width: 460px;
  height: 460px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(36, 54, 126, 0.13), transparent 65%);
  pointer-events: none;
}

.cta-band::after {
  content: "";
  position: absolute;
  left: -100px;
  bottom: -220px;
  width: 460px;
  height: 460px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(91, 84, 200, 0.1), transparent 65%);
  pointer-events: none;
}

.cta-band .eyebrow {
  color: #5a6382;
}

.cta-band .eyebrow::before {
  background: var(--indigo);
}

.cta-band h2 {
  position: relative;
  color: var(--ink);
  margin-top: 14px;
  font-size: clamp(24px, 3vw, 34px);
}

.cta-band p {
  position: relative;
  margin-top: 12px;
  max-width: 34em;
  font-size: 14.5px;
  line-height: 1.9;
  color: var(--body);
}

.cta-band .actions {
  position: relative;
  justify-content: flex-end;
  margin-top: 0;
}

.cta-band .actions.stack {
  flex-direction: column;
  align-items: stretch;
  justify-content: center;
  gap: 10px;
}

.cta-band .actions.stack .btn {
  justify-content: space-between;
  padding-inline: 20px;
}

/* ---------- 页脚 ---------- */

.site-footer {
  border-top: 1px solid var(--line-soft);
  padding: 52px 0 30px;
  margin-top: 78px;
  background: rgba(255, 255, 255, 0.56);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 38px;
}

.footer-brand .brand {
  font-size: 19px;
}

.footer-brand p {
  margin-top: 12px;
  max-width: 24em;
  font-size: 13px;
  line-height: 1.85;
  color: var(--muted);
}

.footer-col h4 {
  margin: 0 0 12px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--muted);
}

.footer-col ul {
  list-style: none;
  display: grid;
  gap: 8px;
}

.footer-col a {
  font-size: 13.5px;
  color: var(--ink-2);
  text-decoration: none;
}

.footer-col a:hover {
  color: var(--accent);
}

.footer-note {
  margin-top: 36px;
  padding-top: 20px;
  border-top: 1px solid var(--line-soft);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  font-size: 11.5px;
  line-height: 1.8;
  color: var(--muted);
}

.footer-note .footer-motto {
  color: var(--ink-2);
  letter-spacing: 0.04em;
}

/* ==========================================================================
   产品页
   ========================================================================== */

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 26px 0 0;
  font-size: 12px;
  color: var(--muted);
}

.breadcrumb a {
  color: var(--muted);
  text-decoration: none;
}

.breadcrumb a:hover {
  color: var(--ink);
}

.breadcrumb .sep {
  color: rgba(30, 39, 70, 0.25);
}

.breadcrumb [aria-current="page"] {
  color: var(--ink);
}

.page-hero {
  padding: 30px 0 68px;
}

.page-hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}

.page-hero h1 {
  margin-top: 18px;
  font-size: clamp(31px, 3.8vw, 46px);
}

.theme-tools .page-hero h1 {
  font-size: clamp(30px, 3.5vw, 42px);
}

.product-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 13px 6px 8px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.product-badge .badge-icon {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  display: grid;
  place-items: center;
}

.product-badge .badge-icon svg {
  width: 12px;
  height: 12px;
}

.product-visual {
  position: relative;
  display: flex;
  justify-content: center;
  width: 100%;
}

.product-visual::before {
  content: "";
  position: absolute;
  inset: -4% -2%;
  border-radius: 50%;
  background: radial-gradient(circle at 50% 50%, var(--accent-soft), transparent 66%);
  filter: blur(14px);
  opacity: 0.95;
}

.visual-card {
  position: relative;
  width: 100%;
  max-width: 400px;
  border-radius: 22px;
  box-shadow: var(--shadow-lg);
}

.visual-dark {
  background: linear-gradient(158deg, #2e3f80 0%, #1c2757 100%);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: #fff;
  padding: 26px;
}

.visual-white {
  background: var(--surface);
  border: 1px solid var(--line);
  color: var(--ink);
  padding: 24px;
}

.visual-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.visual-head .vlabel {
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: rgba(255, 255, 255, 0.55);
}

.visual-white .vlabel {
  color: var(--muted);
}

.visual-head .vstatus {
  font-size: 10px;
  font-family: var(--font-mono);
  color: rgba(255, 255, 255, 0.44);
}

.visual-white .vstatus {
  color: var(--muted);
}

.big-count {
  font-family: var(--font-mono);
  font-size: 88px;
  line-height: 0.96;
  letter-spacing: -0.04em;
  margin-top: 20px;
}

.big-count small {
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: rgba(255, 255, 255, 0.55);
  margin-left: 10px;
}

.visual-caption {
  margin-top: 8px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.62);
}

.visual-white .visual-caption {
  color: var(--muted);
}

.vbar {
  height: 5px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  margin-top: 22px;
  overflow: hidden;
}

.vbar span {
  display: block;
  height: 100%;
  width: 62%;
  border-radius: inherit;
  background: linear-gradient(90deg, #5b9bff, #8fd0ff);
}

.vrows {
  margin-top: 20px;
  padding-top: 6px;
  border-top: 1px solid rgba(255, 255, 255, 0.09);
}

.vrow {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 9px 0;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.76);
}

.vrow .mono {
  font-family: var(--font-mono);
  font-size: 11px;
  color: rgba(255, 255, 255, 0.46);
}

.vrow .pomo-dot {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: conic-gradient(#5ee0b5 0 68%, rgba(255, 255, 255, 0.14) 68% 100%);
  display: inline-grid;
  place-items: center;
  margin-right: 8px;
}

.vrow .pomo-dot::after {
  content: "";
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: #202c5d;
}

/* 启动项助手页演示 */
.vlist {
  margin-top: 18px;
}

.vlist-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 11px 0;
  border-bottom: 1px dashed var(--line-soft);
  font-size: 12.5px;
  color: var(--ink-2);
}

.vlist-row:last-child {
  border-bottom: 0;
}

.vlist-name {
  min-width: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.vlist-state {
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--muted);
  flex-shrink: 0;
}

.vlist-row.is-on .vlist-state {
  color: var(--green);
}

.vlist-row.is-off .vlist-name {
  color: var(--muted);
}

.vlist-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-top: 12px;
  padding-top: 14px;
  border-top: 1px solid var(--line-soft);
  font-size: 10.5px;
  color: var(--muted);
}

.vlist-foot strong {
  color: var(--green);
  letter-spacing: 0.02em;
}

/* 工具页演示 */
.tool-visual-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 7px;
  margin-top: 18px;
}

.tool-tile {
  border: 1px solid var(--line-soft);
  border-radius: 10px;
  padding: 10px 9px;
  background: var(--paper);
  min-width: 0;
}

.tool-tile .glyph {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  color: var(--violet);
}

.tool-tile .name {
  display: block;
  margin-top: 4px;
  font-size: 9.5px;
  color: var(--muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* 功能网格 */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  margin-top: 40px;
}

.feature-cell {
  background: var(--surface);
  padding: 26px 23px;
}

.feature-cell .cell-index {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  color: var(--accent);
}

.feature-cell h3 {
  margin-top: 10px;
  font-size: 18px;
}

.feature-cell p {
  margin-top: 8px;
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--body);
}

/* 分栏 */
.split {
  display: grid;
  grid-template-columns: 1fr 0.82fr;
  gap: 58px;
  align-items: start;
}

.split h2 {
  margin-top: 14px;
}

.split .section-lead {
  max-width: 30em;
}

.split-copy p + p {
  margin-top: 12px;
}

.split-copy p {
  font-size: 14.5px;
  line-height: 1.95;
  color: var(--body);
  max-width: 35em;
}

.fact-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 6px 24px;
  box-shadow: var(--shadow-sm);
}

.fact-card .fact-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 17px 0 13px;
  border-bottom: 1px solid var(--line);
}

.fact-card .fact-card-head strong {
  font-size: 16px;
  color: var(--ink);
}

.fact-card .fact-card-head span {
  font-size: 10px;
  font-family: var(--font-mono);
  color: var(--muted);
}

.fact-card dl {
  margin: 0;
}

.fact-card .fact-line {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 11px 0;
  border-bottom: 1px solid var(--line-soft);
  font-size: 13px;
}

.fact-card .fact-line:last-child {
  border-bottom: 0;
}

.fact-card dt {
  color: var(--muted);
  flex-shrink: 0;
}

.fact-card dd {
  margin: 0;
  text-align: right;
  color: var(--ink-2);
  font-weight: 600;
}

/* 范围表 */
.scope {
  margin-top: 36px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--surface);
}

.scope-row {
  display: grid;
  grid-template-columns: 1.2fr 1.6fr auto;
  gap: 20px;
  align-items: center;
  padding: 17px 24px;
  border-bottom: 1px solid var(--line-soft);
  font-size: 13.5px;
}

.scope-row:last-child {
  border-bottom: 0;
}

.scope-row.head {
  background: var(--paper-2);
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.scope-row .scope-name {
  color: var(--ink);
  font-weight: 600;
}

.scope-row .scope-detail {
  color: var(--body);
  line-height: 1.7;
}

.scope-row .scope-status {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.04em;
  padding: 4px 9px;
  border-radius: 999px;
  background: var(--paper-2);
  color: var(--muted);
  white-space: nowrap;
  text-align: center;
}

.scope-row .scope-status.status-out {
  background: var(--accent-soft);
  color: var(--accent);
}

a.scope-status {
  text-decoration: none;
  transition: background 0.18s ease, color 0.18s ease;
}

a.scope-status:hover {
  background: var(--accent);
  color: #fff;
}

/* 引言 */
.quote {
  margin-top: 36px;
  padding: 28px 32px;
  border-left: 3px solid var(--accent);
  background: var(--accent-soft);
  border-radius: 0 var(--radius) var(--radius) 0;
}

.quote p {
  font-size: 17px;
  line-height: 1.9;
  color: var(--ink);
}

.quote cite {
  display: block;
  margin-top: 10px;
  font-style: normal;
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--accent);
}

/* 适用人群 */
.audience-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 36px;
}

.audience {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px 22px;
}

.audience .audience-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--accent-soft);
  color: var(--accent);
  display: grid;
  place-items: center;
}

.audience .audience-icon svg {
  width: 19px;
  height: 19px;
}

.audience h3 {
  margin-top: 14px;
  font-size: 17px;
}

.audience p {
  margin-top: 7px;
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--body);
}

/* 价格/权益 */
.pricing {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-top: 36px;
}

.price-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
  display: flex;
  flex-direction: column;
}

.price-card.is-featured {
  border-color: var(--accent);
  box-shadow: var(--shadow-sm);
}

.price-card .price-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--accent);
}

.price-card .price {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-top: 12px;
}

.price-card .price strong {
  font-size: 36px;
  line-height: 1.1;
  color: var(--ink);
  letter-spacing: -0.01em;
}

.price-card .price span {
  font-size: 13px;
  color: var(--muted);
}

.price-card p {
  margin-top: 10px;
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--body);
}

.price-card ul {
  list-style: none;
  margin-top: 16px;
  display: grid;
  gap: 7px;
}

.price-card li {
  position: relative;
  padding-left: 20px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--body);
}

.price-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 7px;
  width: 9px;
  height: 5px;
  border-left: 1.5px solid var(--accent);
  border-bottom: 1.5px solid var(--accent);
  transform: rotate(-45deg);
}

.price-card .btn {
  margin-top: 22px;
}

/* 官网提示 */
.official-panel {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  background: var(--surface);
  border-radius: var(--radius);
  padding: 26px 28px;
  margin-top: 36px;
}

.official-panel .official-copy {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.official-panel .official-copy svg {
  width: 22px;
  height: 22px;
  color: var(--accent);
  flex-shrink: 0;
  margin-top: 3px;
}

.official-panel h3 {
  font-size: 17px;
}

.official-panel p {
  margin-top: 5px;
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--body);
  max-width: 32em;
}

.domain {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--accent);
  background: var(--accent-soft);
  padding: 2px 6px;
  border-radius: 5px;
}

/* 其他产品 */
.more-products {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
  margin-top: 32px;
}

.more-card {
  display: flex;
  align-items: center;
  gap: 15px;
  padding: 20px 22px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.more-card:hover {
  transform: translateY(-3px);
  border-color: rgba(30, 39, 70, 0.16);
  box-shadow: var(--shadow-sm);
}

.more-card .more-icon {
  width: 40px;
  height: 40px;
  border-radius: 11px;
  display: grid;
  place-items: center;
  flex-shrink: 0;
}

.more-card .more-icon svg {
  width: 20px;
  height: 20px;
}

.more-card .more-icon.blue {
  background: var(--blue-soft);
  color: var(--blue);
}

.more-card .more-icon.green {
  background: var(--green-soft);
  color: var(--green);
}

.more-card .more-icon.violet {
  background: var(--violet-soft);
  color: var(--violet);
}

.more-card h3 {
  font-size: 16px;
}

.more-card p {
  margin-top: 2px;
  font-size: 12px;
  color: var(--muted);
}

.more-card .more-arrow {
  margin-left: auto;
  color: var(--muted);
  font-size: 16px;
}

/* ---------- 响应式 ---------- */

@media (max-width: 1024px) {
  .hero-grid,
  .page-hero-grid {
    grid-template-columns: 1fr;
    gap: 44px;
  }

  .stage {
    min-height: 0;
    width: 100%;
    max-width: 430px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr;
    gap: 14px;
    padding-top: 8px;
  }

  .stage::before {
    display: none;
  }

  .mock {
    position: relative;
    inset: auto;
    width: 100%;
  }

  .mock-countdown,
  .mock-autorun,
  .mock-tools {
    width: 100%;
  }

  .mock-tools {
    order: 3;
    justify-content: flex-start;
  }

  .product-visual {
    max-width: 430px;
    margin: 0 auto;
  }

  .product-visual::before {
    inset: 2% 0 0;
  }

  .product-grid {
    grid-template-columns: 1fr;
  }

  .product-card {
    padding: 26px;
  }

  .feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .split {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .cta-band {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .cta-band .actions {
    justify-content: flex-start;
  }

  .section-head {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .section-head .section-lead {
    text-align: left;
    max-width: 40em;
  }

  .trust-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px 30px;
  }
}

@media (max-width: 860px) {
  .nav-links {
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    padding: 12px 24px 18px;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow-sm);
  }

  .site-header.is-open .nav-links {
    display: flex;
  }

  .nav-links a {
    padding: 11px 12px;
    border-radius: 8px;
  }

  .nav-toggle {
    display: inline-flex;
    align-items: center;
  }

  .nav-cta {
    display: none;
  }

  .hero {
    padding: 48px 0 38px;
  }

  .feature-grid {
    grid-template-columns: 1fr;
  }

  .audience-grid,
  .pricing,
  .more-products {
    grid-template-columns: 1fr;
  }

  .steps {
    grid-template-columns: 1fr;
    gap: 22px;
  }

  .fact-row {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .fact-row .fact-link {
    margin-top: 4px;
  }

  .official-panel {
    flex-direction: column;
    align-items: flex-start;
  }

  .scope-row {
    grid-template-columns: 1fr auto;
    gap: 4px 16px;
  }

  .scope-row.head {
    display: none;
  }

  .scope-row .scope-detail {
    grid-column: 1 / -1;
    font-size: 12.5px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 26px;
  }

  .cta-band {
    padding: 36px 28px;
  }

  .contact-card {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 600px) {
  .container {
    width: calc(100% - 32px);
  }

  .section {
    padding: 58px 0;
  }

  .brand {
    font-size: 19px;
  }

  h1 {
    font-size: 32px;
    line-height: 1.34;
  }

  .page-hero h1 {
    font-size: 30px;
  }

  .lede {
    font-size: 16px;
    line-height: 1.9;
  }

  .actions .btn {
    width: 100%;
  }

  .cta-band .actions,
  .cta-band .actions .btn {
    width: 100%;
  }

  .big-count {
    font-size: 72px;
  }

  .mock-countdown .count {
    font-size: 64px;
  }

  .trust-grid {
    grid-template-columns: 1fr;
    gap: 15px;
    padding: 20px 0;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .footer-note {
    flex-direction: column;
  }

  .quote {
    padding: 22px;
  }

  .quote p {
    font-size: 15.5px;
  }

  .price-card {
    padding: 22px;
  }

  .tool-visual-grid {
    gap: 6px;
  }

  .fact-card {
    padding: 6px 18px;
  }
}

@media (max-width: 460px) {
  .hero h1 {
    font-size: 30px;
  }

  .page-hero h1 {
    font-size: 29px;
  }

  .theme-tools .page-hero h1 {
    font-size: 27px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}