@charset "utf-8";
/* ==========================================================================
   91在线视频 - 全站主样式表
   设计基调：深空影院 + 霓虹渐变，贴合高清影视/在线视频主题
   ========================================================================== */

:root {
  --bg: #070a12;
  --bg-soft: #0c1120;
  --bg-card: #111a2e;
  --bg-card-2: #16203a;
  --line: rgba(255, 255, 255, 0.08);
  --line-strong: rgba(255, 255, 255, 0.16);
  --text: #eaeefb;
  --text-dim: #a5b0c9;
  --text-mute: #7a86a1;
  --brand: #ff2e63;
  --brand-2: #7c4dff;
  --brand-3: #22d3ee;
  --gold: #ffc857;
  --grad: linear-gradient(135deg, #ff2e63 0%, #7c4dff 55%, #22d3ee 100%);
  --grad-soft: linear-gradient(135deg, rgba(255, 46, 99, 0.16), rgba(34, 211, 238, 0.14));
  --radius: 18px;
  --radius-sm: 12px;
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.45);
  --shadow-brand: 0 16px 40px rgba(255, 46, 99, 0.28);
  --max: 1200px;
  --header-h: 72px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Source Han Sans SC", "Noto Sans SC", system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.75;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; border: 0; }
a { color: inherit; text-decoration: none; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4, h5 { margin: 0; font-weight: 700; line-height: 1.3; letter-spacing: 0.2px; }
p { margin: 0 0 16px; }
button { font-family: inherit; cursor: pointer; border: 0; background: none; color: inherit; }

::selection { background: rgba(255, 46, 99, 0.35); color: #fff; }

/* 滚动条 */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: #060911; }
::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, #ff2e63, #7c4dff);
  border-radius: 10px;
}

/* ------------------------------ 通用布局 ------------------------------ */
.container {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 20px;
}

.section {
  position: relative;
  padding: 96px 0;
}

.section--tight { padding: 68px 0; }

.section-head {
  max-width: 780px;
  margin: 0 auto 56px;
  text-align: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  margin-bottom: 18px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 2px;
  color: var(--brand-3);
  text-transform: uppercase;
  background: rgba(34, 211, 238, 0.08);
  border: 1px solid rgba(34, 211, 238, 0.25);
  border-radius: 999px;
}

.eyebrow::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--brand-3);
  box-shadow: 0 0 10px var(--brand-3);
}

.section-head h2 {
  font-size: clamp(26px, 3.4vw, 40px);
  margin-bottom: 16px;
}

.section-head h2 em {
  font-style: normal;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.section-head p {
  color: var(--text-dim);
  font-size: 16px;
  margin: 0;
}

.grad-text {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ------------------------------ 按钮 ------------------------------ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  height: 50px;
  padding: 0 30px;
  font-size: 15px;
  font-weight: 600;
  border-radius: 999px;
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease), background 0.35s var(--ease), color 0.3s;
  will-change: transform;
  white-space: nowrap;
}

.btn--primary {
  color: #fff;
  background: var(--grad);
  background-size: 200% 200%;
  box-shadow: var(--shadow-brand);
  animation: btnFlow 8s ease infinite;
}

.btn--primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 22px 50px rgba(124, 77, 255, 0.42);
}

.btn--ghost {
  color: var(--text);
  border: 1px solid var(--line-strong);
  background: rgba(255, 255, 255, 0.03);
}

.btn--ghost:hover {
  transform: translateY(-3px);
  border-color: rgba(34, 211, 238, 0.55);
  background: rgba(34, 211, 238, 0.1);
  color: #fff;
}

.btn--block { width: 100%; }

@keyframes btnFlow {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

/* ------------------------------ 顶部导航 ------------------------------ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  display: flex;
  align-items: center;
  background: rgba(7, 10, 18, 0.72);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  transition: background 0.3s, box-shadow 0.3s;
}

.site-header.is-scrolled {
  background: rgba(7, 10, 18, 0.94);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  width: 100%;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 19px;
  font-weight: 800;
  letter-spacing: 0.4px;
  flex-shrink: 0;
}

.brand__mark {
  position: relative;
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: var(--grad);
  box-shadow: 0 8px 22px rgba(255, 46, 99, 0.35);
}

.brand__mark::after {
  content: "";
  width: 0;
  height: 0;
  margin-left: 3px;
  border-style: solid;
  border-width: 7px 0 7px 12px;
  border-color: transparent transparent transparent #fff;
}

.brand__name {
  background: linear-gradient(90deg, #fff, #cfd8ef);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-menu a {
  position: relative;
  display: block;
  padding: 8px 16px;
  font-size: 15px;
  color: var(--text-dim);
  border-radius: 999px;
  transition: color 0.25s, background 0.25s;
}

.nav-menu a::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 2px;
  width: 0;
  height: 2px;
  border-radius: 2px;
  background: var(--grad);
  transform: translateX(-50%);
  transition: width 0.32s var(--ease);
}

.nav-menu a:hover { color: #fff; background: rgba(255, 255, 255, 0.05); }
.nav-menu a:hover::after { width: 22px; }

.nav-menu a.is-active {
  color: #fff;
  background: rgba(255, 46, 99, 0.12);
}

.nav-menu a.is-active::after { width: 22px; }

.nav-cta { flex-shrink: 0; }
.nav-cta .btn { height: 42px; padding: 0 22px; font-size: 14px; }

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  border: 1px solid var(--line-strong);
  place-items: center;
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  margin: 3px auto;
  border-radius: 2px;
  background: #fff;
  transition: transform 0.3s var(--ease), opacity 0.3s;
}

.nav-toggle.is-open span:nth-child(1) { transform: translateY(5px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.nav-toggle.is-open span:nth-child(3) { transform: translateY(-5px) rotate(-45deg); }

/* ------------------------------ Hero ------------------------------ */
.hero {
  position: relative;
  overflow: hidden;
  padding: 108px 0 96px;
  background: radial-gradient(ellipse at 15% 0%, rgba(124, 77, 255, 0.22), transparent 55%),
              radial-gradient(ellipse at 85% 10%, rgba(255, 46, 99, 0.18), transparent 52%),
              linear-gradient(180deg, #070a12 0%, #0a1020 70%, #070a12 100%);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse at 50% 20%, #000 20%, transparent 78%);
  -webkit-mask-image: radial-gradient(ellipse at 50% 20%, #000 20%, transparent 78%);
  pointer-events: none;
}

.hero__inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  align-items: center;
  gap: 56px;
}

.hero__text h1 {
  font-size: clamp(32px, 4.6vw, 56px);
  line-height: 1.16;
  margin-bottom: 22px;
  letter-spacing: -0.5px;
}

.hero__text h1 em {
  font-style: normal;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero__lead {
  max-width: 560px;
  margin-bottom: 30px;
  font-size: 17px;
  color: var(--text-dim);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 34px;
}

.hero__metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 34px;
  padding-top: 26px;
  border-top: 1px solid var(--line);
}

.hero__metrics strong {
  display: block;
  font-size: 26px;
  font-weight: 800;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero__metrics span {
  font-size: 13px;
  color: var(--text-mute);
  letter-spacing: 0.5px;
}

/* Hero 视觉：叠层海报 */
.hero__visual {
  position: relative;
  aspect-ratio: 1 / 1;
  max-width: 540px;
  margin-left: auto;
}

.hero__glow {
  position: absolute;
  inset: 8% 10%;
  border-radius: 50%;
  background: var(--grad);
  filter: blur(60px);
  opacity: 0.4;
  animation: breathe 9s ease-in-out infinite;
}

.poster {
  position: absolute;
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.14);
  box-shadow: 0 26px 60px rgba(0, 0, 0, 0.6);
  background: #111a2e;
}

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

.poster--main {
  top: 6%;
  left: 14%;
  width: 55%;
  transform: rotate(-4deg);
  animation: floatY 8s ease-in-out infinite;
}

.poster--sub {
  bottom: 8%;
  right: 4%;
  width: 44%;
  transform: rotate(6deg);
  animation: floatY 8s ease-in-out infinite 1.4s;
}

.poster--tag {
  top: 14%;
  right: 0;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  font-size: 13px;
  font-weight: 600;
  color: #fff;
  border-radius: 999px;
  background: rgba(10, 16, 30, 0.9);
  border: 1px solid var(--line-strong);
  backdrop-filter: blur(8px);
  animation: floatY 7s ease-in-out infinite 0.6s;
}

.poster--tag i {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #29e08a;
  box-shadow: 0 0 10px #29e08a;
}

@keyframes floatY {
  0%, 100% { transform: translateY(0) rotate(-4deg); }
  50% { transform: translateY(-16px) rotate(-2deg); }
}

@keyframes breathe {
  0%, 100% { opacity: 0.32; transform: scale(0.96); }
  50% { opacity: 0.5; transform: scale(1.05); }
}

/* ------------------------------ 子页头图 ------------------------------ */
.page-hero {
  position: relative;
  overflow: hidden;
  padding: 92px 0 78px;
  text-align: center;
  background: radial-gradient(ellipse at 50% -10%, rgba(124, 77, 255, 0.25), transparent 62%),
              linear-gradient(180deg, #070a12, #0a1020);
  border-bottom: 1px solid var(--line);
}

.page-hero::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -1px;
  width: 220px;
  height: 2px;
  transform: translateX(-50%);
  background: var(--grad);
  border-radius: 2px;
}

.page-hero h1 {
  font-size: clamp(28px, 4vw, 44px);
  margin-bottom: 16px;
}

.page-hero p {
  max-width: 720px;
  margin: 0 auto;
  color: var(--text-dim);
  font-size: 16px;
}

.breadcrumb {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-top: 26px;
  font-size: 13px;
  color: var(--text-mute);
}

.breadcrumb span { color: var(--brand); }

/* ------------------------------ 特性卡片 ------------------------------ */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  position: relative;
  padding: 34px 28px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(160deg, var(--bg-card), var(--bg-soft));
  transition: transform 0.42s var(--ease), border-color 0.42s, box-shadow 0.42s;
}

.feature-card::before {
  content: "";
  position: absolute;
  top: -60%;
  right: -30%;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: var(--grad);
  opacity: 0;
  filter: blur(48px);
  transition: opacity 0.45s;
}

.feature-card:hover {
  transform: translateY(-8px);
  border-color: rgba(255, 46, 99, 0.4);
  box-shadow: var(--shadow);
}

.feature-card:hover::before { opacity: 0.22; }

.feature-card__icon {
  position: relative;
  display: grid;
  place-items: center;
  width: 56px;
  height: 56px;
  margin-bottom: 22px;
  font-size: 24px;
  border-radius: 16px;
  color: #fff;
  background: var(--grad);
  box-shadow: 0 12px 28px rgba(124, 77, 255, 0.3);
}

.feature-card h3 {
  position: relative;
  font-size: 19px;
  margin-bottom: 12px;
}

.feature-card p {
  position: relative;
  margin: 0;
  font-size: 14.5px;
  color: var(--text-dim);
}

.feature-card__meta {
  position: relative;
  display: inline-block;
  margin-top: 18px;
  font-size: 13px;
  font-weight: 600;
  color: var(--brand-3);
}

/* ------------------------------ 服务条目 ------------------------------ */
.service-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.service-item {
  display: flex;
  gap: 20px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.02);
  transition: background 0.35s, border-color 0.35s, transform 0.35s var(--ease);
}

.service-item:hover {
  transform: translateX(6px);
  border-color: rgba(34, 211, 238, 0.4);
  background: rgba(34, 211, 238, 0.05);
}

.service-item__num {
  flex-shrink: 0;
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  font-size: 15px;
  font-weight: 800;
  border-radius: 50%;
  color: var(--brand-3);
  border: 1px solid rgba(34, 211, 238, 0.35);
  background: rgba(34, 211, 238, 0.08);
}

.service-item h3 { font-size: 18px; margin-bottom: 8px; }
.service-item p { margin: 0; font-size: 14.5px; color: var(--text-dim); }

/* ------------------------------ 数据统计 ------------------------------ */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--line);
}

.stats__item {
  padding: 36px 20px;
  text-align: center;
  background: linear-gradient(180deg, #0d1424, #0a0f1c);
}

.stats__item strong {
  display: block;
  font-size: 32px;
  font-weight: 800;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.stats__item span { font-size: 13.5px; color: var(--text-mute); }

/* ------------------------------ 内容卡片（资讯/剧集） ------------------------------ */
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}

.content-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg-card);
  transition: transform 0.42s var(--ease), border-color 0.42s, box-shadow 0.42s;
}

.content-card:hover {
  transform: translateY(-8px);
  border-color: rgba(255, 46, 99, 0.38);
  box-shadow: var(--shadow);
}

.content-card__media {
  position: relative;
  overflow: hidden;
  background: #0c1120;
}

.content-card__media img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  transition: transform 0.7s var(--ease);
}

.content-card:hover .content-card__media img { transform: scale(1.07); }

.content-card__badge {
  position: absolute;
  left: 14px;
  top: 14px;
  padding: 5px 13px;
  font-size: 12px;
  font-weight: 700;
  color: #fff;
  border-radius: 999px;
  background: rgba(7, 10, 18, 0.72);
  border: 1px solid var(--line-strong);
  backdrop-filter: blur(6px);
}

.content-card__body { padding: 24px; flex: 1; display: flex; flex-direction: column; }

.content-card__meta {
  display: flex;
  gap: 14px;
  margin-bottom: 12px;
  font-size: 12.5px;
  color: var(--text-mute);
}

.content-card__body h3 { font-size: 18px; margin-bottom: 10px; }

.content-card__body p {
  margin: 0 0 18px;
  font-size: 14.5px;
  color: var(--text-dim);
}

.content-card__more {
  margin-top: auto;
  font-size: 14px;
  font-weight: 600;
  color: var(--brand);
}

/* ------------------------------ FAQ ------------------------------ */
.faq-list { max-width: 900px; margin: 0 auto; display: grid; gap: 14px; }

.faq-item {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.025);
  transition: border-color 0.3s, background 0.3s;
}

.faq-item.is-open {
  border-color: rgba(255, 46, 99, 0.42);
  background: rgba(255, 46, 99, 0.05);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  width: 100%;
  padding: 20px 24px;
  text-align: left;
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
}

.faq-question i {
  flex-shrink: 0;
  width: 26px;
  height: 26px;
  position: relative;
  border-radius: 50%;
  border: 1px solid var(--line-strong);
  transition: transform 0.35s var(--ease), background 0.3s;
}

.faq-question i::before,
.faq-question i::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 10px;
  height: 1.6px;
  background: var(--text-dim);
  transform: translate(-50%, -50%);
  transition: transform 0.3s, background 0.3s;
}

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

.faq-item.is-open .faq-question i { transform: rotate(180deg); background: rgba(255, 46, 99, 0.2); }
.faq-item.is-open .faq-question i::before,
.faq-item.is-open .faq-question i::after { background: var(--brand); }
.faq-item.is-open .faq-question i::after { transform: translate(-50%, -50%) rotate(0deg); }

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.45s var(--ease);
}

.faq-answer p {
  margin: 0;
  padding: 0 24px 22px;
  font-size: 14.5px;
  color: var(--text-dim);
}

/* ------------------------------ CTA ------------------------------ */
.cta {
  position: relative;
  overflow: hidden;
  padding: 0;
}

.cta__box {
  position: relative;
  overflow: hidden;
  padding: 66px 56px;
  text-align: center;
  border-radius: 26px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: linear-gradient(135deg, rgba(255, 46, 99, 0.22), rgba(124, 77, 255, 0.24) 55%, rgba(34, 211, 238, 0.2)),
              #0b1120;
}

.cta__box::before {
  content: "";
  position: absolute;
  top: -40%;
  left: -10%;
  width: 60%;
  height: 180%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.16), transparent 62%);
  animation: breathe 10s ease-in-out infinite;
  pointer-events: none;
}

.cta__box h2 {
  position: relative;
  font-size: clamp(25px, 3.2vw, 36px);
  margin-bottom: 16px;
}

.cta__box p {
  position: relative;
  max-width: 620px;
  margin: 0 auto 30px;
  color: #d8dff2;
  font-size: 16px;
}

.cta__actions {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: center;
}

/* ------------------------------ 文章正文 ------------------------------ */
.article-wrap {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 40px;
  align-items: start;
}

.article {
  padding: 40px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg-card);
}

.article__cover {
  overflow: hidden;
  border-radius: var(--radius-sm);
  margin-bottom: 30px;
}

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

.article h2 {
  font-size: 24px;
  margin: 36px 0 16px;
  padding-left: 14px;
  border-left: 4px solid var(--brand);
}

.article h3 { font-size: 18px; margin: 26px 0 12px; color: #fff; }

.article p { color: var(--text-dim); font-size: 15.5px; }

.article ul { margin: 0 0 20px; }

.article ul li {
  position: relative;
  padding-left: 22px;
  margin-bottom: 10px;
  font-size: 15px;
  color: var(--text-dim);
}

.article ul li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 11px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--grad);
}

.article blockquote {
  margin: 24px 0;
  padding: 20px 24px;
  font-size: 15px;
  color: #cfd8ee;
  border-left: 3px solid var(--brand-3);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: rgba(34, 211, 238, 0.06);
}

.article__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin-bottom: 20px;
  font-size: 13px;
  color: var(--text-mute);
}

.tag-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 30px; }

.tag {
  padding: 6px 14px;
  font-size: 13px;
  color: var(--text-dim);
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  transition: color 0.3s, border-color 0.3s;
}

.tag:hover { color: var(--brand); border-color: rgba(255, 46, 99, 0.5); }

.side-card {
  padding: 26px;
  margin-bottom: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg-card);
}

.side-card h3 { font-size: 17px; margin-bottom: 16px; }

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

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

.side-list b { color: var(--brand); font-size: 13px; }

/* ------------------------------ 表格 ------------------------------ */
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius-sm); }

table { width: 100%; border-collapse: collapse; font-size: 14.5px; }

thead th {
  padding: 14px 18px;
  text-align: left;
  font-weight: 700;
  color: #fff;
  background: rgba(255, 255, 255, 0.05);
  white-space: nowrap;
}

tbody td {
  padding: 14px 18px;
  color: var(--text-dim);
  border-top: 1px solid var(--line);
}

tbody tr:hover td { background: rgba(255, 255, 255, 0.025); }

/* ------------------------------ 联系表单 ------------------------------ */
.contact-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 34px;
  align-items: start;
}

.form-card {
  padding: 38px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg-card);
}

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

.field { margin-bottom: 18px; }

.field label {
  display: block;
  margin-bottom: 8px;
  font-size: 14px;
  color: var(--text-dim);
}

.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 13px 16px;
  font-family: inherit;
  font-size: 14.5px;
  color: var(--text);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  outline: none;
  transition: border-color 0.3s, background 0.3s, box-shadow 0.3s;
}

.field textarea { min-height: 130px; resize: vertical; }

.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: rgba(255, 46, 99, 0.6);
  background: rgba(255, 46, 99, 0.05);
  box-shadow: 0 0 0 3px rgba(255, 46, 99, 0.12);
}

.field select option { background: #0e1424; color: var(--text); }

.form-tip { margin: 14px 0 0; font-size: 12.5px; color: var(--text-mute); }

.form-msg {
  display: none;
  margin-top: 16px;
  padding: 12px 16px;
  font-size: 14px;
  border-radius: var(--radius-sm);
  color: #8ef0c0;
  background: rgba(41, 224, 138, 0.1);
  border: 1px solid rgba(41, 224, 138, 0.3);
}

.form-msg.is-show { display: block; animation: fadeUp 0.5s var(--ease) both; }

.contact-info li {
  display: flex;
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px dashed var(--line);
}

.contact-info li:last-child { border-bottom: 0; }

.contact-info i {
  flex-shrink: 0;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  font-size: 18px;
  font-style: normal;
  border-radius: 12px;
  background: var(--grad-soft);
  border: 1px solid var(--line-strong);
}

.contact-info b { display: block; font-size: 14px; color: #fff; margin-bottom: 2px; }
.contact-info span { font-size: 14px; color: var(--text-dim); }

/* ------------------------------ 页脚 ------------------------------ */
.site-footer {
  position: relative;
  padding: 68px 0 0;
  background: linear-gradient(180deg, #080b14, #05070d);
  border-top: 1px solid var(--line);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 48px;
}

.footer-brand p {
  margin: 18px 0 0;
  font-size: 14px;
  color: var(--text-mute);
  max-width: 320px;
}

.footer-col h4 {
  margin-bottom: 18px;
  font-size: 15px;
  color: #fff;
  letter-spacing: 0.5px;
}

.footer-col li { margin-bottom: 10px; }

.footer-col a {
  font-size: 14px;
  color: var(--text-mute);
  transition: color 0.25s, padding-left 0.25s;
}

.footer-col a:hover { color: var(--brand); padding-left: 4px; }

.footer-bottom {
  padding: 22px 0;
  border-top: 1px solid var(--line);
  text-align: center;
  font-size: 13px;
  color: var(--text-mute);
}

.footer-bottom p { margin: 0 0 6px; }
.footer-bottom a { color: var(--text-dim); }
.footer-bottom a:hover { color: var(--brand); }

/* ------------------------------ 返回顶部 ------------------------------ */
.to-top {
  position: fixed;
  right: 26px;
  bottom: 26px;
  z-index: 90;
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: #fff;
  background: var(--grad);
  box-shadow: 0 12px 30px rgba(255, 46, 99, 0.35);
  opacity: 0;
  visibility: hidden;
  transform: translateY(14px);
  transition: opacity 0.35s, transform 0.35s var(--ease), visibility 0.35s;
}

.to-top.is-show { opacity: 1; visibility: visible; transform: translateY(0); }
.to-top:hover { transform: translateY(-4px); }

/* ------------------------------ 滚动入场动画 ------------------------------ */
[data-reveal] {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.75s var(--ease), transform 0.75s var(--ease);
}

[data-reveal].is-in { opacity: 1; transform: none; }

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: none; }
}

/* ------------------------------ 响应式 ------------------------------ */
@media (max-width: 1080px) {
  .hero__inner { grid-template-columns: 1fr; gap: 48px; }
  .hero__visual { margin: 0 auto; max-width: 440px; width: 100%; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .card-grid { grid-template-columns: repeat(2, 1fr); }
  .article-wrap { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 860px) {
  :root { --header-h: 64px; }

  .nav-toggle { display: grid; }

  .nav-menu {
    position: fixed;
    left: 0;
    right: 0;
    top: var(--header-h);
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    padding: 16px 20px 26px;
    background: rgba(8, 11, 20, 0.98);
    border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow);
    transform: translateY(-12px);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, transform 0.3s var(--ease), visibility 0.3s;
  }

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

  .nav-menu a { padding: 13px 16px; border-radius: var(--radius-sm); font-size: 15.5px; }
  .nav-menu a::after { display: none; }

  .nav-cta { display: none; }

  .section { padding: 68px 0; }
  .section-head { margin-bottom: 40px; }
  .hero { padding: 78px 0 68px; }
  .hero__metrics { gap: 24px; }
  .service-list { grid-template-columns: 1fr; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .article { padding: 26px; }
  .form-card { padding: 26px; }
  .cta__box { padding: 46px 26px; }
  .page-hero { padding: 66px 0 56px; }
}

@media (max-width: 620px) {
  .feature-grid,
  .card-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .form-row { grid-template-columns: 1fr; }
  .hero__actions .btn { width: 100%; }
  .article h2 { font-size: 21px; }
  .to-top { right: 16px; bottom: 16px; }
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  html { scroll-behavior: auto; }
  [data-reveal] { opacity: 1; transform: none; }
}