/* =========================================================
   每日大赛官网 - 全国赛事信息聚合与报名入口
   全局样式 / 响应式 / 动效
   ========================================================= */

:root {
  --ink: #0b1220;
  --ink-2: #141f36;
  --navy: #101a2e;
  --navy-soft: #182642;
  --paper: #f6f7fb;
  --paper-2: #ffffff;
  --line: rgba(16, 26, 46, 0.12);
  --line-dark: rgba(255, 255, 255, 0.12);
  --text: #1a2436;
  --muted: #5b6a83;
  --muted-dark: #a9b6cd;
  --accent: #ff6b2c;
  --accent-2: #ff9f45;
  --gold: #ffc247;
  --cyan: #35d3ff;
  --green: #22c98a;
  --radius: 18px;
  --radius-sm: 12px;
  --shadow-sm: 0 6px 18px rgba(11, 18, 32, 0.07);
  --shadow: 0 18px 45px rgba(11, 18, 32, 0.12);
  --shadow-lg: 0 30px 70px rgba(11, 18, 32, 0.22);
  --container: 1200px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

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

body {
  margin: 0;
  font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
  background: var(--paper);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body.nav-open {
  overflow: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.25s var(--ease);
}

ul,
ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

h1,
h2,
h3,
h4 {
  margin: 0;
  line-height: 1.25;
  font-weight: 800;
  letter-spacing: -0.01em;
}

p {
  margin: 0 0 1em;
}

p:last-child {
  margin-bottom: 0;
}

button {
  font: inherit;
  cursor: pointer;
}

::selection {
  background: var(--accent);
  color: #fff;
}

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

.skip-link {
  position: absolute;
  top: -60px;
  left: 16px;
  z-index: 999;
  padding: 10px 18px;
  background: var(--accent);
  color: #fff;
  border-radius: 0 0 10px 10px;
  font-weight: 700;
  transition: top 0.25s var(--ease);
}

.skip-link:focus {
  top: 0;
}

.container {
  width: min(var(--container), 92%);
  margin-inline: auto;
}

/* ---------------- 通用按钮 ---------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-weight: 700;
  font-size: 15px;
  line-height: 1;
  white-space: nowrap;
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease),
    background 0.25s var(--ease), color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--gold));
  color: #1a1205;
  box-shadow: 0 10px 26px rgba(255, 107, 44, 0.38);
}

.btn-primary:hover {
  box-shadow: 0 16px 34px rgba(255, 107, 44, 0.5);
}

.btn-ghost {
  border-color: rgba(255, 255, 255, 0.28);
  color: #fff;
  background: rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(8px);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.14);
}

.btn-outline {
  border-color: rgba(16, 26, 46, 0.18);
  color: var(--ink);
  background: #fff;
}

.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.btn-dark {
  background: var(--ink);
  color: #fff;
  box-shadow: 0 10px 24px rgba(11, 18, 32, 0.28);
}

.btn-dark:hover {
  background: var(--navy-soft);
}

.btn-sm {
  padding: 9px 18px;
  font-size: 14px;
}

.btn-block {
  width: 100%;
}

/* ---------------- 站点头部 ---------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(11, 18, 32, 0.86);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 24px;
  min-height: 72px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: #fff;
  flex-shrink: 0;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 13px;
  background: linear-gradient(140deg, var(--accent), var(--gold));
  color: #1a1205;
  font-weight: 900;
  font-size: 20px;
  box-shadow: 0 8px 20px rgba(255, 107, 44, 0.35);
  transition: transform 0.4s var(--ease);
}

.brand:hover .brand-mark {
  transform: rotate(-8deg) scale(1.05);
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.brand-text strong {
  font-size: 17px;
  letter-spacing: 0.02em;
}

.brand-text small {
  font-size: 11px;
  color: var(--muted-dark);
  letter-spacing: 0.08em;
}

.main-nav {
  margin-left: auto;
}

.main-nav ul {
  display: flex;
  align-items: center;
  gap: 4px;
}

.main-nav a {
  display: block;
  padding: 9px 14px;
  border-radius: 999px;
  color: #cfd9ea;
  font-size: 15px;
  font-weight: 500;
  transition: color 0.25s var(--ease), background 0.25s var(--ease);
}

.main-nav a:hover,
.main-nav a.active {
  color: #fff;
  background: rgba(255, 255, 255, 0.1);
}

.main-nav a.active {
  box-shadow: inset 0 -2px 0 var(--accent);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.header-actions .btn-ghost {
  padding: 10px 18px;
  font-size: 14px;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  margin-left: auto;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 12px;
  background: transparent;
  position: relative;
}

.nav-toggle span {
  display: block;
  position: absolute;
  left: 12px;
  width: 20px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: transform 0.3s var(--ease), opacity 0.3s var(--ease), top 0.3s var(--ease);
}

.nav-toggle span:nth-child(1) {
  top: 15px;
}

.nav-toggle span:nth-child(2) {
  top: 21px;
}

.nav-toggle span:nth-child(3) {
  top: 27px;
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  top: 21px;
  transform: rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  top: 21px;
  transform: rotate(-45deg);
}

/* ---------------- 首页 Hero ---------------- */
.hero {
  position: relative;
  background: radial-gradient(1200px 520px at 78% -10%, rgba(255, 107, 44, 0.32), transparent 62%),
    radial-gradient(900px 480px at 8% 110%, rgba(53, 211, 255, 0.2), transparent 60%),
    linear-gradient(160deg, #0b1220 0%, #101a2e 52%, #0d1728 100%);
  color: #fff;
  overflow: hidden;
  padding: 84px 0 0;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(circle at 60% 30%, #000 0%, transparent 78%);
  -webkit-mask-image: radial-gradient(circle at 60% 30%, #000 0%, transparent 78%);
  pointer-events: none;
}

.hero .container {
  position: relative;
  z-index: 2;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: center;
  padding-bottom: 64px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--gold);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.06em;
  margin-bottom: 22px;
}

.eyebrow .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 0 rgba(34, 201, 138, 0.7);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(34, 201, 138, 0.65);
  }
  70% {
    box-shadow: 0 0 0 9px rgba(34, 201, 138, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(34, 201, 138, 0);
  }
}

.hero h1 {
  font-size: clamp(32px, 4.6vw, 56px);
  line-height: 1.14;
  letter-spacing: -0.02em;
}

.hero h1 .hl {
  background: linear-gradient(100deg, var(--accent), var(--gold) 70%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-desc {
  margin: 22px 0 30px;
  max-width: 560px;
  color: #c5d1e4;
  font-size: 17px;
  line-height: 1.9;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
}

.hero-trust {
  display: flex;
  flex-wrap: wrap;
  gap: 18px 28px;
  margin-top: 34px;
  padding-top: 26px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  color: var(--muted-dark);
  font-size: 13px;
}

.hero-trust span {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.hero-trust svg {
  width: 16px;
  height: 16px;
  color: var(--green);
}

/* Hero 右侧视觉 */
.hero-visual {
  position: relative;
  min-height: 460px;
}

.hero-card {
  position: absolute;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.16);
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow-lg);
}

.hero-poster {
  top: 0;
  right: 8%;
  width: 74%;
  overflow: hidden;
  animation: floatY 7s ease-in-out infinite;
}

.hero-poster img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.hero-poster .poster-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 14px 16px;
  color: #fff;
  font-size: 13px;
}

.poster-meta strong {
  font-size: 14px;
}

.live-tag {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 9px;
  border-radius: 999px;
  background: rgba(255, 59, 59, 0.16);
  color: #ff7a7a;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
}

.live-tag::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #ff4d4d;
  animation: blink 1.4s infinite;
}

@keyframes blink {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.25;
  }
}

@keyframes floatY {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-14px);
  }
}

.hero-mini {
  left: 0;
  bottom: 44px;
  width: 62%;
  padding: 18px;
  color: #fff;
  animation: floatY 8s ease-in-out infinite reverse;
}

.hero-mini .mini-title {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--muted-dark);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero-mini .mini-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 12px;
  font-size: 14px;
}

.hero-mini .mini-row .num {
  width: 24px;
  height: 24px;
  border-radius: 8px;
  display: grid;
  place-items: center;
  font-size: 12px;
  font-weight: 800;
  background: rgba(255, 255, 255, 0.12);
  color: var(--gold);
}

.hero-mini .mini-row .bar {
  margin-left: auto;
  font-variant-numeric: tabular-nums;
  color: var(--cyan);
  font-weight: 600;
}

.hero-float {
  right: 0;
  bottom: 10px;
  padding: 14px 18px;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 12px;
  animation: floatY 6s ease-in-out infinite;
}

.hero-float .ring {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 12px;
  font-weight: 800;
  color: #1a1205;
  background: conic-gradient(var(--gold) 0 72%, rgba(255, 255, 255, 0.18) 72% 100%);
  position: relative;
}

.hero-float .ring::after {
  content: "";
  position: absolute;
  inset: 4px;
  border-radius: 50%;
  background: #141f36;
}

.hero-float .ring span {
  position: relative;
  z-index: 1;
  color: #fff;
}

.hero-float small {
  display: block;
  color: var(--muted-dark);
  font-size: 11px;
  letter-spacing: 0.08em;
}

.hero-float b {
  font-size: 15px;
}

/* Hero 底部数据条 */
.hero-stats {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.04);
  backdrop-filter: blur(10px);
}

.hero-stats .stat {
  padding: 24px 20px;
  text-align: center;
  border-right: 1px solid rgba(255, 255, 255, 0.08);
}

.hero-stats .stat:last-child {
  border-right: 0;
}

.stat b {
  display: block;
  font-size: clamp(24px, 3vw, 34px);
  font-weight: 900;
  color: #fff;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
}

.stat span {
  color: var(--muted-dark);
  font-size: 13px;
  letter-spacing: 0.06em;
}

/* ---------------- 滚动播报 ---------------- */
.ticker {
  background: linear-gradient(90deg, #141f36, #101a2e);
  border-block: 1px solid rgba(255, 255, 255, 0.08);
  color: #cfd9ea;
  overflow: hidden;
}

.ticker-track {
  display: flex;
  gap: 48px;
  width: max-content;
  padding: 13px 0;
  animation: marquee 32s linear infinite;
}

.ticker-track:hover {
  animation-play-state: paused;
}

.ticker-item {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 13.5px;
  white-space: nowrap;
}

.ticker-item i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}

.ticker-item b {
  color: var(--gold);
  font-weight: 600;
}

@keyframes marquee {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-50%);
  }
}

/* ---------------- 通用区块 ---------------- */
.section {
  padding: 92px 0;
}

.section.tight {
  padding: 64px 0;
}

.section.on-dark {
  background: linear-gradient(165deg, #0b1220, #101a2e 70%);
  color: #fff;
}

.section.on-paper {
  background:
    radial-gradient(800px 400px at 90% 0%, rgba(255, 107, 44, 0.08), transparent 60%),
    var(--paper);
}

.section-head {
  max-width: 720px;
  margin-bottom: 52px;
}

.section-head.center {
  margin-inline: auto;
  text-align: center;
}

.section-head .kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 14px;
}

.section-head .kicker::before {
  content: "";
  width: 26px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}

.section-head h2 {
  font-size: clamp(26px, 3.4vw, 40px);
  letter-spacing: -0.02em;
}

.section-head p {
  margin-top: 16px;
  color: var(--muted);
  font-size: 16.5px;
  line-height: 1.9;
}

.on-dark .section-head p {
  color: var(--muted-dark);
}

.on-dark .section-head .kicker {
  color: var(--gold);
}

.on-dark .section-head .kicker::before {
  background: var(--gold);
}

/* ---------------- 特性卡片 ---------------- */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}

.feature-card {
  position: relative;
  padding: 30px 24px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease), border-color 0.35s var(--ease);
  overflow: hidden;
}

.feature-card::after {
  content: "";
  position: absolute;
  inset: auto -40% -60% auto;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 107, 44, 0.14), transparent 68%);
  opacity: 0;
  transition: opacity 0.35s var(--ease);
}

.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow);
  border-color: rgba(255, 107, 44, 0.35);
}

.feature-card:hover::after {
  opacity: 1;
}

.icon-box {
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  border-radius: 15px;
  background: linear-gradient(140deg, rgba(255, 107, 44, 0.16), rgba(255, 194, 71, 0.24));
  color: var(--accent);
  margin-bottom: 20px;
}

.icon-box svg {
  width: 26px;
  height: 26px;
}

.feature-card h3 {
  font-size: 18px;
  margin-bottom: 10px;
}

.feature-card p {
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.85;
}

.feature-card .tag {
  display: inline-block;
  margin-top: 16px;
  font-size: 12px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.06em;
}

/* ---------------- 服务 / 赛事类型 ---------------- */
.service-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.service-card {
  display: grid;
  grid-template-columns: 132px 1fr;
  gap: 22px;
  align-items: center;
  padding: 22px;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
  transition: transform 0.35s var(--ease), background 0.35s var(--ease), border-color 0.35s var(--ease);
}

.service-card:hover {
  transform: translateY(-6px);
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 194, 71, 0.4);
}

.service-card img {
  width: 132px;
  height: 132px;
  object-fit: cover;
  border-radius: 14px;
}

.service-card h3 {
  font-size: 20px;
  margin-bottom: 8px;
}

.service-card p {
  color: var(--muted-dark);
  font-size: 14.5px;
  line-height: 1.8;
}

.service-card .meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.chip {
  display: inline-block;
  padding: 4px 11px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: #d5dfef;
  font-size: 12px;
}

.on-paper .chip {
  background: #fff;
  border-color: var(--line);
  color: var(--muted);
}

/* ---------------- 赛程表 ---------------- */
.schedule-wrap {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.schedule-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 26px;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(120deg, rgba(255, 107, 44, 0.06), rgba(53, 211, 255, 0.05));
}

.schedule-head h3 {
  font-size: 19px;
}

.schedule-head .legend {
  display: flex;
  gap: 16px;
  font-size: 12.5px;
  color: var(--muted);
}

.schedule-head .legend i {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-right: 6px;
}

.table-scroll {
  overflow-x: auto;
}

table.schedule {
  width: 100%;
  min-width: 760px;
  border-collapse: collapse;
  font-size: 14.5px;
}

table.schedule th,
table.schedule td {
  padding: 16px 26px;
  text-align: left;
  border-bottom: 1px solid var(--line);
  vertical-align: middle;
}

table.schedule th {
  background: #fafbfe;
  color: var(--muted);
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

table.schedule tbody tr {
  transition: background 0.25s var(--ease);
}

table.schedule tbody tr:hover {
  background: rgba(255, 107, 44, 0.045);
}

table.schedule tbody tr:last-child td {
  border-bottom: 0;
}

.event-name {
  font-weight: 700;
  color: var(--ink);
}

.event-name small {
  display: block;
  color: var(--muted);
  font-weight: 400;
  font-size: 12.5px;
  margin-top: 3px;
}

.badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 7px;
  font-size: 12px;
  font-weight: 700;
  white-space: nowrap;
}

.badge.hot {
  background: rgba(255, 107, 44, 0.12);
  color: #d24a10;
}

.badge.soon {
  background: rgba(53, 211, 255, 0.14);
  color: #0a7c99;
}

.badge.open {
  background: rgba(34, 201, 138, 0.14);
  color: #0f8a5e;
}

.badge.closed {
  background: rgba(91, 106, 131, 0.12);
  color: var(--muted);
}

.status-line {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 13px;
  color: var(--muted);
}

.status-line::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green);
}

/* ---------------- 回顾卡片 ---------------- */
.recap-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.recap-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease);
}

.recap-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
}

.recap-media {
  position: relative;
  overflow: hidden;
}

.recap-media img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  transition: transform 0.6s var(--ease);
}

.recap-card:hover .recap-media img {
  transform: scale(1.06);
}

.recap-media .date {
  position: absolute;
  top: 14px;
  left: 14px;
  padding: 5px 11px;
  border-radius: 999px;
  background: rgba(11, 18, 32, 0.72);
  color: #fff;
  font-size: 12px;
  backdrop-filter: blur(6px);
}

.recap-body {
  padding: 22px;
}

.recap-body h3 {
  font-size: 17px;
  margin-bottom: 8px;
}

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

.recap-body .more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 14px;
  color: var(--accent);
  font-size: 13.5px;
  font-weight: 700;
}

.recap-body .more::after {
  content: "→";
  transition: transform 0.3s var(--ease);
}

.recap-card:hover .more::after {
  transform: translateX(4px);
}

/* ---------------- CTA ---------------- */
.cta {
  position: relative;
  overflow: hidden;
  background: linear-gradient(120deg, #0b1220, #16233c 55%, #1d1a15 100%);
  color: #fff;
  padding: 76px 0;
}

.cta::before {
  content: "";
  position: absolute;
  width: 520px;
  height: 520px;
  right: -120px;
  top: -160px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 107, 44, 0.4), transparent 65%);
  filter: blur(10px);
}

.cta::after {
  content: "";
  position: absolute;
  width: 380px;
  height: 380px;
  left: -100px;
  bottom: -180px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(53, 211, 255, 0.28), transparent 65%);
}

.cta-inner {
  position: relative;
  z-index: 2;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.cta-copy {
  max-width: 640px;
}

.cta-copy .kicker {
  color: var(--gold);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.cta-copy h2 {
  font-size: clamp(26px, 3.4vw, 38px);
  margin: 12px 0 14px;
}

.cta-copy p {
  color: #c5d1e4;
  font-size: 16px;
}

.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

/* ---------------- FAQ ---------------- */
.faq {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 48px;
  align-items: start;
}

.faq-intro h2 {
  font-size: clamp(26px, 3vw, 36px);
}

.faq-intro p {
  margin-top: 16px;
  color: var(--muted);
}

.faq-intro .btn {
  margin-top: 24px;
}

.faq-list {
  display: grid;
  gap: 12px;
}

.faq-item {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.faq-q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
  padding: 18px 22px;
  border: 0;
  background: transparent;
  text-align: left;
  font-weight: 700;
  font-size: 15.5px;
  color: var(--ink);
}

.faq-q .plus {
  flex-shrink: 0;
  position: relative;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: rgba(255, 107, 44, 0.1);
}

.faq-q .plus::before,
.faq-q .plus::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 10px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
  transform: translate(-50%, -50%);
  transition: transform 0.3s var(--ease);
}

.faq-q .plus::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.faq-item.open .plus::after {
  transform: translate(-50%, -50%) rotate(0);
}

.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s var(--ease);
}

.faq-item.open .faq-a {
  max-height: 560px;
}

.faq-a-inner {
  padding: 0 22px 20px;
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.85;
}

/* ---------------- 页面 Hero（内页） ---------------- */
.page-hero {
  position: relative;
  background: radial-gradient(900px 420px at 82% -20%, rgba(255, 107, 44, 0.28), transparent 62%),
    linear-gradient(160deg, #0b1220, #101a2e 72%);
  color: #fff;
  padding: 62px 0 68px;
  overflow: hidden;
}

.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255, 255, 255, 0.14) 1px, transparent 1px);
  background-size: 26px 26px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.5), transparent 70%);
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.5), transparent 70%);
}

.page-hero .container {
  position: relative;
  z-index: 2;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--muted-dark);
  margin-bottom: 22px;
}

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

.breadcrumb .sep {
  opacity: 0.5;
}

.page-hero h1 {
  font-size: clamp(30px, 4vw, 46px);
  max-width: 900px;
  line-height: 1.22;
}

.page-hero .lead {
  margin-top: 18px;
  max-width: 680px;
  color: #c5d1e4;
  font-size: 16.5px;
  line-height: 1.9;
}

.page-hero .hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  margin-top: 26px;
  color: var(--muted-dark);
  font-size: 13px;
}

.page-hero .hero-meta span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* ---------------- 内容排版 ---------------- */
.prose {
  max-width: 780px;
}

.prose h2 {
  font-size: clamp(24px, 2.6vw, 31px);
  margin: 44px 0 16px;
}

.prose h3 {
  font-size: 20px;
  margin: 32px 0 12px;
}

.prose p {
  color: #33415c;
  font-size: 16px;
  line-height: 1.95;
  margin-bottom: 16px;
}

.prose ul.bullets {
  margin: 18px 0 24px;
  display: grid;
  gap: 10px;
}

.prose ul.bullets li {
  position: relative;
  padding-left: 26px;
  color: #33415c;
  line-height: 1.85;
}

.prose ul.bullets li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 11px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--gold));
}

.quote {
  margin: 28px 0;
  padding: 22px 26px;
  border-left: 4px solid var(--accent);
  background: #fff;
  border-radius: 0 14px 14px 0;
  box-shadow: var(--shadow-sm);
  color: #33415c;
  font-size: 15.5px;
}

.lead-media {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  margin: 28px 0;
}

.lead-media img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.lead-media figcaption {
  padding: 12px 18px;
  background: #fff;
  color: var(--muted);
  font-size: 13px;
  border-top: 1px solid var(--line);
}

/* ---------------- 时间线 ---------------- */
.timeline {
  position: relative;
  display: grid;
  gap: 26px;
  padding-left: 30px;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 6px;
  bottom: 6px;
  width: 2px;
  background: linear-gradient(180deg, var(--accent), rgba(255, 107, 44, 0.08));
}

.timeline-item {
  position: relative;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: -30px;
  top: 6px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: #fff;
  border: 3px solid var(--accent);
  box-shadow: 0 0 0 5px rgba(255, 107, 44, 0.12);
}

.timeline-item .year {
  font-size: 12.5px;
  font-weight: 800;
  letter-spacing: 0.1em;
  color: var(--accent);
}

.timeline-item h3 {
  font-size: 18px;
  margin: 4px 0 6px;
}

.timeline-item p {
  color: var(--muted);
  font-size: 14.5px;
}

/* ---------------- 数据 / 团队 ---------------- */
.metric-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.metric {
  padding: 28px 24px;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
  transition: transform 0.35s var(--ease), border-color 0.35s var(--ease);
}

.metric:hover {
  transform: translateY(-5px);
  border-color: rgba(255, 194, 71, 0.4);
}

.metric b {
  display: block;
  font-size: 32px;
  font-weight: 900;
  color: var(--gold);
  font-variant-numeric: tabular-nums;
}

.metric span {
  display: block;
  margin-top: 6px;
  color: var(--muted-dark);
  font-size: 14px;
}

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

.team-card {
  text-align: center;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px 20px;
  box-shadow: var(--shadow-sm);
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease);
}

.team-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
}

.team-card img {
  width: 96px;
  height: 96px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto 16px;
  border: 4px solid #fff;
  box-shadow: 0 8px 22px rgba(11, 18, 32, 0.16);
}

.team-card h3 {
  font-size: 17px;
}

.team-card .role {
  color: var(--accent);
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.06em;
}

.team-card p {
  margin-top: 10px;
  color: var(--muted);
  font-size: 13.5px;
}

/* ---------------- 资讯列表 ---------------- */
.news-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 44px;
  align-items: start;
}

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 30px;
}

.filter-btn {
  padding: 8px 18px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--muted);
  font-size: 14px;
  font-weight: 600;
  transition: all 0.25s var(--ease);
}

.filter-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.filter-btn.active {
  background: var(--ink);
  border-color: var(--ink);
  color: #fff;
}

.news-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.news-card {
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease);
}

.news-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
}

.news-card img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  transition: transform 0.6s var(--ease);
}

.news-card:hover img {
  transform: scale(1.05);
}

.news-card .news-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.news-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
  color: var(--muted);
  font-size: 12.5px;
  margin-bottom: 10px;
}

.news-meta .cat {
  color: var(--accent);
  font-weight: 700;
}

.news-card h3 {
  font-size: 17.5px;
  line-height: 1.5;
}

.news-card p {
  margin-top: 10px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.8;
  flex: 1;
}

.news-card .news-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
  color: var(--muted);
  font-size: 12.5px;
}

.news-card .news-foot strong {
  color: var(--accent);
  font-size: 13px;
}

.pagination {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-top: 40px;
}

.pagination a,
.pagination span {
  min-width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  padding: 0 12px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: #fff;
  font-size: 14px;
  color: var(--muted);
  transition: all 0.25s var(--ease);
}

.pagination a:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.pagination .current {
  background: var(--ink);
  border-color: var(--ink);
  color: #fff;
}

/* ---------------- 侧边栏 ---------------- */
.sidebar {
  display: grid;
  gap: 24px;
  position: sticky;
  top: 96px;
}

.side-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow-sm);
}

.side-card h3 {
  font-size: 16px;
  padding-bottom: 14px;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--line);
}

.rank-list li {
  display: flex;
  gap: 12px;
  padding: 11px 0;
  border-bottom: 1px dashed var(--line);
  font-size: 14px;
}

.rank-list li:last-child {
  border-bottom: 0;
}

.rank-list .no {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  border-radius: 7px;
  display: grid;
  place-items: center;
  background: var(--paper);
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.rank-list li:nth-child(1) .no {
  background: var(--accent);
  color: #fff;
}

.rank-list li:nth-child(2) .no {
  background: var(--gold);
  color: #3a2a00;
}

.rank-list li:nth-child(3) .no {
  background: #ffdca8;
  color: #6b4a00;
}

.rank-list a:hover {
  color: var(--accent);
}

.side-cta {
  background: linear-gradient(150deg, #101a2e, #1c2b47);
  color: #fff;
  border: 0;
}

.side-cta p {
  color: var(--muted-dark);
  font-size: 13.5px;
  line-height: 1.8;
}

.side-cta .btn {
  margin-top: 16px;
}

.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag-cloud a {
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--paper);
  border: 1px solid var(--line);
  font-size: 12.5px;
  color: var(--muted);
  transition: all 0.25s var(--ease);
}

.tag-cloud a:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

/* ---------------- 文章详情 ---------------- */
.article-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 44px;
  align-items: start;
}

.article-head {
  padding-bottom: 24px;
  margin-bottom: 28px;
  border-bottom: 1px solid var(--line);
}

.article-head h1 {
  font-size: clamp(28px, 3.6vw, 40px);
  line-height: 1.3;
  margin-bottom: 16px;
}

.article-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 18px 0 0;
}

.article-toc {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px 24px;
  margin-bottom: 28px;
  box-shadow: var(--shadow-sm);
}

.article-toc h2 {
  font-size: 15px;
  margin: 0 0 12px;
  color: var(--ink);
  letter-spacing: 0.04em;
}

.article-toc ol {
  counter-reset: toc;
  display: grid;
  gap: 8px;
  font-size: 14px;
}

.article-toc li {
  counter-increment: toc;
  color: var(--muted);
}

.article-toc li::before {
  content: counter(toc) ". ";
  color: var(--accent);
  font-weight: 700;
}

.article-toc a:hover {
  color: var(--accent);
}

.article-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: 40px;
  padding: 20px 24px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-size: 14px;
  color: var(--muted);
}

.share-row {
  display: flex;
  gap: 8px;
}

.share-row a {
  padding: 6px 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
  font-size: 12.5px;
  color: var(--muted);
  transition: all 0.25s var(--ease);
}

.share-row a:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* ---------------- 产品/套餐 ---------------- */
.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: stretch;
}

.product-card {
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px 26px;
  box-shadow: var(--shadow-sm);
  position: relative;
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease);
}

.product-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow);
}

.product-card.featured {
  border: 1.5px solid var(--accent);
  background: linear-gradient(180deg, #fff, #fff8f3);
}

.product-card .ribbon {
  position: absolute;
  top: 18px;
  right: 18px;
  padding: 4px 11px;
  border-radius: 999px;
  background: var(--accent);
  color: #fff;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.06em;
}

.product-card .plan-name {
  color: var(--accent);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.product-card h3 {
  font-size: 22px;
  margin: 8px 0 6px;
}

.product-card .desc {
  color: var(--muted);
  font-size: 14px;
  min-height: 44px;
}

.product-card .price {
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin: 18px 0 20px;
  padding-bottom: 20px;
  border-bottom: 1px dashed var(--line);
}

.product-card .price b {
  font-size: 38px;
  font-weight: 900;
  letter-spacing: -0.02em;
  color: var(--ink);
}

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

.product-card ul.plan-list {
  display: grid;
  gap: 11px;
  margin-bottom: 26px;
  flex: 1;
}

.product-card ul.plan-list li {
  position: relative;
  padding-left: 25px;
  font-size: 14px;
  color: #33415c;
}

.product-card ul.plan-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: rgba(34, 201, 138, 0.14);
}

.product-card ul.plan-list li::after {
  content: "";
  position: absolute;
  left: 4px;
  top: 9px;
  width: 6px;
  height: 3px;
  border-left: 1.6px solid var(--green);
  border-bottom: 1.6px solid var(--green);
  transform: rotate(-45deg);
}

.compare-wrap {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

table.compare {
  width: 100%;
  min-width: 760px;
  border-collapse: collapse;
  font-size: 14px;
}

table.compare th,
table.compare td {
  padding: 15px 20px;
  border-bottom: 1px solid var(--line);
  text-align: center;
}

table.compare th:first-child,
table.compare td:first-child {
  text-align: left;
  color: var(--ink);
  font-weight: 600;
}

table.compare thead th {
  background: #fafbfe;
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.06em;
}

table.compare tbody tr:hover {
  background: rgba(255, 107, 44, 0.04);
}

table.compare .yes {
  color: var(--green);
  font-weight: 800;
}

table.compare .no {
  color: #c3cbda;
}

/* ---------------- 联系表单 ---------------- */
.contact-layout {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 48px;
  align-items: start;
}

.contact-info {
  display: grid;
  gap: 18px;
}

.info-card {
  display: flex;
  gap: 16px;
  padding: 22px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}

.info-card .icon-box {
  flex-shrink: 0;
  margin: 0;
  width: 46px;
  height: 46px;
  border-radius: 13px;
}

.info-card h3 {
  font-size: 16px;
  margin-bottom: 4px;
}

.info-card p {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.8;
}

.info-card a {
  color: var(--accent);
  font-weight: 600;
}

.form-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 34px;
  box-shadow: var(--shadow);
}

.form-card h2 {
  font-size: 22px;
  margin-bottom: 6px;
}

.form-card .form-lead {
  color: var(--muted);
  font-size: 14px;
  margin-bottom: 24px;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.field {
  display: grid;
  gap: 7px;
}

.field.full {
  grid-column: 1 / -1;
}

.field label {
  font-size: 13.5px;
  font-weight: 700;
  color: var(--ink);
}

.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid rgba(16, 26, 46, 0.16);
  border-radius: 11px;
  background: #fbfcfe;
  font: inherit;
  font-size: 14.5px;
  color: var(--ink);
  transition: border-color 0.25s var(--ease), box-shadow 0.25s var(--ease);
}

.field textarea {
  min-height: 120px;
  resize: vertical;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: 0;
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(255, 107, 44, 0.12);
  background: #fff;
}

.form-note {
  margin-top: 16px;
  color: var(--muted);
  font-size: 12.5px;
  line-height: 1.7;
}

.form-feedback {
  display: none;
  margin-top: 16px;
  padding: 12px 16px;
  border-radius: 11px;
  background: rgba(34, 201, 138, 0.12);
  color: #0f7a53;
  font-size: 14px;
}

.form-feedback.show {
  display: block;
}

/* ---------------- 页脚 ---------------- */
.site-footer {
  background: #0a101c;
  color: #9fadc4;
  padding: 64px 0 0;
  font-size: 14px;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.1fr;
  gap: 40px;
  padding-bottom: 46px;
}

.footer-brand .brand {
  margin-bottom: 16px;
}

.footer-brand p {
  color: #8494ad;
  font-size: 13.5px;
  line-height: 1.9;
  max-width: 330px;
}

.footer-col h3 {
  color: #fff;
  font-size: 14px;
  letter-spacing: 0.08em;
  margin-bottom: 16px;
}

.footer-col ul {
  display: grid;
  gap: 10px;
}

.footer-col a {
  color: #8494ad;
  font-size: 13.5px;
}

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

.footer-contact li {
  display: flex;
  gap: 9px;
  font-size: 13.5px;
  color: #8494ad;
  line-height: 1.8;
}

.footer-contact svg {
  flex-shrink: 0;
  width: 16px;
  height: 16px;
  margin-top: 4px;
  color: var(--accent);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 22px 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  color: #6b7a92;
  font-size: 12.5px;
}

.footer-bottom nav {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

.footer-bottom a:hover {
  color: var(--gold);
}

.back-top {
  position: fixed;
  right: 22px;
  bottom: 26px;
  z-index: 90;
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 14px;
  background: rgba(16, 26, 46, 0.9);
  color: #fff;
  box-shadow: var(--shadow);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all 0.3s var(--ease);
}

.back-top.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-top:hover {
  background: var(--accent);
}

/* ---------------- 滚动动画 ---------------- */
.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
  will-change: opacity, transform;
}

.reveal.in {
  opacity: 1;
  transform: none;
}

.reveal.d1 {
  transition-delay: 0.08s;
}

.reveal.d2 {
  transition-delay: 0.16s;
}

.reveal.d3 {
  transition-delay: 0.24s;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}

/* ---------------- 响应式 ---------------- */
@media (max-width: 1080px) {
  .feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .news-layout,
  .article-layout {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
    grid-template-columns: repeat(2, 1fr);
    display: grid;
  }

  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }

  .product-grid {
    grid-template-columns: 1fr;
    max-width: 560px;
    margin-inline: auto;
  }
}

@media (max-width: 1024px) {
  .main-nav {
    position: fixed;
    inset: 72px 0 auto 0;
    margin: 0;
    padding: 18px 4%;
    background: rgba(11, 18, 32, 0.98);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    transform: translateY(-12px);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s var(--ease);
  }

  .main-nav.open {
    transform: none;
    opacity: 1;
    visibility: visible;
  }

  .main-nav ul {
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
  }

  .main-nav a {
    padding: 13px 16px;
    border-radius: 12px;
  }

  .main-nav a.active {
    box-shadow: none;
    background: rgba(255, 107, 44, 0.18);
  }

  .header-actions {
    display: none;
  }

  .nav-toggle {
    display: block;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: 48px;
    padding-bottom: 48px;
  }

  .hero-visual {
    min-height: 400px;
    max-width: 520px;
    margin-inline: auto;
    width: 100%;
  }

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

  .hero-stats .stat:nth-child(2) {
    border-right: 0;
  }

  .hero-stats .stat:nth-child(1),
  .hero-stats .stat:nth-child(2) {
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  }

  .service-grid,
  .recap-grid,
  .metric-grid {
    grid-template-columns: 1fr;
  }

  .contact-layout,
  .faq {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 720px) {
  .section {
    padding: 64px 0;
  }

  .hero {
    padding-top: 56px;
  }

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

  .hero-desc {
    font-size: 15.5px;
  }

  .hero-visual {
    min-height: 340px;
  }

  .hero-poster {
    width: 82%;
    right: 0;
  }

  .hero-mini {
    width: 74%;
    bottom: 10px;
  }

  .hero-float {
    display: none;
  }

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

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

  .service-card {
    grid-template-columns: 1fr;
    text-align: left;
  }

  .service-card img {
    width: 100%;
    height: 180px;
  }

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

  .footer-top {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .form-card {
    padding: 24px 20px;
  }

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

  .cta-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .article-foot {
    flex-direction: column;
    align-items: flex-start;
  }

  .section-head {
    margin-bottom: 36px;
  }
}

@media (max-width: 420px) {
  .brand-text small {
    display: none;
  }

  .hero-stats .stat {
    padding: 18px 12px;
  }

  .stat b {
    font-size: 24px;
  }
}