/* ==========================================================================
   中文在线字幕免费高清 — 主样式表
   深色影院质感 + 高亮强调色
   ========================================================================== */

/* ---------- 1. 变量与重置 ---------- */
:root {
  --bg: #080b11;
  --bg-soft: #0d121b;
  --bg-panel: #121825;
  --bg-panel-2: #17202f;
  --line: rgba(255, 255, 255, 0.08);
  --line-strong: rgba(255, 255, 255, 0.16);
  --text: #e8ecf4;
  --text-soft: #ccd4e4;
  --text-dim: #a4afc4;
  --text-mute: #75819a;
  --accent: #ffc44d;
  --accent-deep: #e0a428;
  --accent-2: #35dfc4;
  --accent-3: #6f8cff;
  --danger: #ff6b6b;
  --radius-sm: 8px;
  --radius: 14px;
  --radius-lg: 22px;
  --shadow-sm: 0 4px 14px rgba(0, 0, 0, 0.28);
  --shadow: 0 14px 40px rgba(0, 0, 0, 0.42);
  --shadow-strong: 0 24px 60px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 0 1px rgba(255, 196, 77, 0.24), 0 18px 50px rgba(255, 196, 77, 0.12);
  --maxw: 1200px;
  --header-h: 72px;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --font: "Noto Sans SC", "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB", Arial, sans-serif;
}

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 16px);
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
  background-color: var(--bg);
  background-image:
    radial-gradient(1100px 620px at 82% -10%, rgba(111, 140, 255, 0.14), transparent 62%),
    radial-gradient(900px 520px at 6% 4%, rgba(53, 223, 196, 0.09), transparent 60%),
    radial-gradient(700px 480px at 50% 108%, rgba(255, 196, 77, 0.07), transparent 65%);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.24s var(--ease), opacity 0.24s var(--ease);
}

a:hover {
  color: var(--accent-2);
}

ul,
ol {
  padding-left: 1.25rem;
}

h1, h2, h3, h4, h5, h6 {
  margin: 0 0 0.6em;
  line-height: 1.3;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: #fff;
}

h1 { font-size: clamp(1.85rem, 3.6vw, 3rem); }
h2 { font-size: clamp(1.45rem, 2.5vw, 2.1rem); }
h3 { font-size: clamp(1.1rem, 1.6vw, 1.32rem); }
h4 { font-size: 1.02rem; }

p { margin: 0 0 1rem; }

::selection {
  background: rgba(255, 196, 77, 0.32);
  color: #fff;
}

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

/* 滚动条 */
::-webkit-scrollbar { width: 11px; height: 11px; }
::-webkit-scrollbar-track { background: #0a0e15; }
::-webkit-scrollbar-thumb {
  background: #26304a;
  border-radius: 10px;
  border: 2px solid #0a0e15;
}
::-webkit-scrollbar-thumb:hover { background: #35425f; }

/* 无障碍跳转链接 */
.skip-link {
  position: absolute;
  left: 16px;
  top: -60px;
  z-index: 200;
  padding: 10px 18px;
  font-size: 0.86rem;
  font-weight: 700;
  color: #17120a;
  background: var(--accent);
  border-radius: 0 0 10px 10px;
  transition: top 0.24s var(--ease);
}

.skip-link:focus {
  top: 0;
  color: #17120a;
}

/* ---------- 2. 通用布局 ---------- */
.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 22px;
}

.section {
  position: relative;
  padding: 76px 0;
}

.section--tight { padding: 54px 0; }

.section-head {
  max-width: 780px;
  margin: 0 auto 46px;
  text-align: center;
}

.section-head p {
  color: var(--text-dim);
  margin-bottom: 0;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
  padding: 5px 14px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  background: rgba(255, 196, 77, 0.09);
  border: 1px solid rgba(255, 196, 77, 0.28);
  border-radius: 999px;
}

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

.lead {
  font-size: 1.06rem;
  color: var(--text-dim);
}

.muted { color: var(--text-mute); }
.text-gold { color: var(--accent); }
.center { text-align: center; }

.grid {
  display: grid;
  gap: 22px;
}

.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

.divider {
  height: 1px;
  border: 0;
  margin: 0;
  background: linear-gradient(90deg, transparent, var(--line-strong), transparent);
}

/* ---------- 3. 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 13px 27px;
  font-family: inherit;
  font-size: 0.97rem;
  font-weight: 700;
  line-height: 1.2;
  border: 1px solid transparent;
  border-radius: 999px;
  cursor: pointer;
  transition: transform 0.26s var(--ease), box-shadow 0.26s var(--ease),
    background-color 0.26s var(--ease), color 0.26s var(--ease), border-color 0.26s var(--ease);
  will-change: transform;
}

.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn--primary {
  color: #17120a;
  background: linear-gradient(135deg, #ffd67a, var(--accent) 52%, var(--accent-deep));
  box-shadow: 0 12px 30px rgba(255, 196, 77, 0.26);
}

.btn--primary:hover {
  color: #17120a;
  box-shadow: 0 16px 40px rgba(255, 196, 77, 0.38);
}

.btn--ghost {
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--line-strong);
}

.btn--ghost:hover {
  color: #fff;
  border-color: var(--accent-2);
  background: rgba(53, 223, 196, 0.1);
}

.btn--sm {
  padding: 9px 18px;
  font-size: 0.86rem;
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

/* ---------- 4. 顶部导航 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 120;
  background: rgba(8, 11, 17, 0.72);
  backdrop-filter: blur(16px) saturate(150%);
  border-bottom: 1px solid transparent;
  transition: background-color 0.3s var(--ease), border-color 0.3s var(--ease),
    box-shadow 0.3s var(--ease);
}

.site-header.is-scrolled {
  background: rgba(8, 11, 17, 0.94);
  border-bottom-color: var(--line);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.46);
}

.nav-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  min-height: var(--header-h);
}

.brand {
  display: flex;
  align-items: center;
  gap: 11px;
  min-width: 0;
  color: #fff;
  font-weight: 800;
  letter-spacing: 0.01em;
}

.brand:hover { color: #fff; }

.brand__mark {
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  width: 38px;
  height: 38px;
  border-radius: 11px;
  background: linear-gradient(140deg, var(--accent), #ff8f5e 62%, #ff5f8d);
  color: #1b1305;
  font-size: 0.95rem;
  font-weight: 900;
  box-shadow: 0 8px 22px rgba(255, 140, 94, 0.3);
}

.brand__text {
  display: block;
  font-size: 0.99rem;
  line-height: 1.35;
  max-width: 460px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.brand__sub {
  display: block;
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  color: var(--text-mute);
  text-transform: uppercase;
}

.nav-toggle {
  display: none;
  align-items: center;
  gap: 8px;
  padding: 9px 14px;
  color: var(--text);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  font-family: inherit;
  font-size: 0.86rem;
  font-weight: 600;
  cursor: pointer;
}

.nav-toggle__bars {
  display: inline-block;
  width: 16px;
  height: 10px;
  position: relative;
}

.nav-toggle__bars::before,
.nav-toggle__bars::after {
  content: "";
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  border-radius: 2px;
  background: var(--accent);
  transition: transform 0.26s var(--ease), top 0.26s var(--ease);
}

.nav-toggle__bars::before { top: 0; }
.nav-toggle__bars::after { top: 8px; }

.nav-toggle[aria-expanded="true"] .nav-toggle__bars::before {
  top: 4px;
  transform: rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bars::after {
  top: 4px;
  transform: rotate(-45deg);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav-links a {
  display: inline-block;
  padding: 9px 14px;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text-dim);
  border-radius: 9px;
  position: relative;
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 4px;
  height: 2px;
  border-radius: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.28s var(--ease);
}

.nav-links a:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.05);
}

.nav-links a:hover::after,
.nav-links a[aria-current="page"]::after {
  transform: scaleX(1);
}

.nav-links a[aria-current="page"] { color: #fff; }

.nav-cta {
  margin-left: 10px;
}

/* ---------- 5. Hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  padding: 74px 0 82px;
  border-bottom: 1px solid var(--line);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(180deg, rgba(8, 11, 17, 0.4), rgba(8, 11, 17, 0.94)),
    url("https://picsum.photos/seed/subtitle-hero-bg/1600/900");
  background-size: cover;
  background-position: center;
  opacity: 0.34;
  z-index: -2;
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto 0 -1px 0;
  height: 140px;
  background: linear-gradient(180deg, transparent, var(--bg));
  z-index: -1;
  pointer-events: none;
}

.hero__grid {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: 52px;
  align-items: center;
}

.hero__copy h1 {
  margin-bottom: 18px;
  text-wrap: balance;
}

.hero__copy h1 em {
  font-style: normal;
  color: var(--accent);
  position: relative;
  white-space: nowrap;
}

.hero__copy h1 em::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0.06em;
  height: 0.28em;
  background: rgba(255, 196, 77, 0.2);
  border-radius: 4px;
  z-index: -1;
}

.hero__desc {
  max-width: 560px;
  color: var(--text-dim);
  font-size: 1.05rem;
}

.hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 34px;
  margin: 30px 0 0;
  padding: 22px 0 0;
  border-top: 1px solid var(--line);
  list-style: none;
}

.hero__stats li {
  min-width: 108px;
}

.hero__stats strong {
  display: block;
  font-size: 1.62rem;
  line-height: 1.2;
  color: var(--accent);
  font-weight: 800;
  letter-spacing: 0.02em;
}

.hero__stats span {
  font-size: 0.82rem;
  color: var(--text-mute);
  letter-spacing: 0.06em;
}

.hero__media {
  position: relative;
}

.hero__media img {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line-strong);
  box-shadow: var(--shadow);
}

.hero__badge {
  position: absolute;
  left: -14px;
  bottom: 26px;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 18px;
  background: rgba(13, 18, 27, 0.94);
  border: 1px solid rgba(53, 223, 196, 0.34);
  border-radius: 14px;
  box-shadow: var(--shadow-sm);
  animation: floatY 5.6s ease-in-out infinite;
}

.hero__badge strong {
  display: block;
  font-size: 0.92rem;
  color: #fff;
}

.hero__badge span {
  font-size: 0.76rem;
  color: var(--accent-2);
}

.hero__badge i {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: rgba(255, 196, 77, 0.16);
  color: var(--accent-2);
  font-style: normal;
  font-size: 0.9rem;
}

/* 内页 Hero（较小） */
.page-hero {
  position: relative;
  overflow: hidden;
  padding: 62px 0 56px;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(760px 320px at 78% 0%, rgba(111, 140, 255, 0.16), transparent 68%),
    linear-gradient(180deg, rgba(23, 32, 47, 0.72), rgba(8, 11, 17, 0.98));
}

.page-hero h1 {
  margin-bottom: 14px;
  text-wrap: balance;
}

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

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 18px;
  padding: 0;
  list-style: none;
  font-size: 0.84rem;
  color: var(--text-mute);
}

.breadcrumb li::after {
  content: "/";
  margin-left: 8px;
  color: var(--line-strong);
}

.breadcrumb li:last-child::after { content: ""; }

.breadcrumb a { color: var(--text-dim); }
.breadcrumb a:hover { color: var(--accent); }

/* ---------- 6. 卡片与特性 ---------- */
.card {
  position: relative;
  padding: 28px 26px;
  background: linear-gradient(168deg, var(--bg-panel), var(--bg-soft));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: transform 0.32s var(--ease), border-color 0.32s var(--ease),
    box-shadow 0.32s var(--ease);
  overflow: hidden;
}

.card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s var(--ease);
}

.card:hover {
  transform: translateY(-6px);
  border-color: rgba(255, 196, 77, 0.32);
  box-shadow: var(--shadow);
}

.card:hover::before { transform: scaleX(1); }

.card__icon {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  margin-bottom: 16px;
  border-radius: 13px;
  font-size: 1.24rem;
  font-weight: 800;
  color: var(--accent);
  background: rgba(255, 196, 77, 0.1);
  border: 1px solid rgba(255, 196, 77, 0.24);
}

.card p {
  color: var(--text-dim);
  margin-bottom: 0;
  font-size: 0.95rem;
}

.card h3 { margin-bottom: 10px; }

.card__list {
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
  font-size: 0.9rem;
  color: var(--text-dim);
}

.card__list li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 7px;
}

.card__list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 0.66em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-2);
}

/* 服务卡片（产品页） */
.service-card {
  display: flex;
  flex-direction: column;
  padding: 0;
  overflow: hidden;
}

.service-card__media {
  position: relative;
  overflow: hidden;
}

.service-card__media img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  transition: transform 0.55s var(--ease);
}

.service-card:hover .service-card__media img { transform: scale(1.06); }

.service-card__tag {
  position: absolute;
  left: 14px;
  top: 14px;
  padding: 4px 11px;
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: #17120a;
  background: var(--accent);
  border-radius: 999px;
}

.service-card__body {
  padding: 22px 24px 26px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.service-card__body p {
  flex: 1;
}

.meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
  font-size: 0.8rem;
  color: var(--text-mute);
}

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

/* ---------- 7. 内容区 / 文章 ---------- */
.split {
  display: grid;
  grid-template-columns: 1.35fr 0.65fr;
  gap: 42px;
  align-items: start;
}

.prose h2 { margin-top: 0; }

.prose h3 {
  margin-top: 2em;
  padding-left: 12px;
  border-left: 3px solid var(--accent);
}

.prose p { color: var(--text-dim); }

.prose ul,
.prose ol { color: var(--text-dim); }

.prose li { margin-bottom: 0.5em; }

.panel {
  padding: 26px 24px;
  background: linear-gradient(168deg, var(--bg-panel-2), var(--bg-soft));
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.panel + .panel { margin-top: 20px; }

.panel h3 {
  font-size: 1.02rem;
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 9px;
}

.panel h3::before {
  content: "";
  width: 4px;
  height: 16px;
  border-radius: 2px;
  background: var(--accent);
}

.panel ul {
  margin: 0;
  padding-left: 1.1rem;
  font-size: 0.9rem;
  color: var(--text-dim);
}

.panel li { margin-bottom: 0.6em; }

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.tag {
  display: inline-block;
  padding: 5px 12px;
  font-size: 0.79rem;
  color: var(--text-dim);
  background: rgba(255, 255, 255, 0.045);
  border: 1px solid var(--line);
  border-radius: 999px;
  transition: color 0.24s var(--ease), border-color 0.24s var(--ease),
    background-color 0.24s var(--ease);
}

.tag:hover {
  color: var(--accent);
  border-color: rgba(255, 196, 77, 0.4);
  background: rgba(255, 196, 77, 0.08);
}

.quote {
  margin: 26px 0;
  padding: 20px 24px;
  border-left: 3px solid var(--accent-2);
  background: rgba(53, 223, 196, 0.06);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--text-dim);
  font-size: 0.96rem;
}

.quote p { margin-bottom: 0; }

/* 数据表 */
.table-wrap {
  overflow-x: auto;
  margin: 24px 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg-panel);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
  min-width: 520px;
}

caption {
  padding: 14px 16px;
  font-size: 0.86rem;
  color: var(--text-mute);
  text-align: left;
  border-bottom: 1px solid var(--line);
}

th,
td {
  padding: 13px 16px;
  text-align: left;
  border-bottom: 1px solid var(--line);
}

thead th {
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  color: #fff;
  background: rgba(255, 255, 255, 0.035);
  white-space: nowrap;
}

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

tbody tr { transition: background-color 0.24s var(--ease); }
tbody tr:hover { background: rgba(255, 196, 77, 0.05); }

td { color: var(--text-dim); }

/* ---------- 8. 时间线 ---------- */
.timeline {
  position: relative;
  margin: 0;
  padding: 0 0 0 26px;
  list-style: none;
  border-left: 1px solid var(--line-strong);
}

.timeline li {
  position: relative;
  padding: 0 0 30px 8px;
}

.timeline li:last-child { padding-bottom: 0; }

.timeline li::before {
  content: "";
  position: absolute;
  left: -33px;
  top: 8px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--accent);
  box-shadow: 0 0 0 4px rgba(255, 196, 77, 0.12);
}

.timeline time {
  display: block;
  margin-bottom: 5px;
  font-size: 0.79rem;
  letter-spacing: 0.08em;
  color: var(--accent-2);
}

.timeline h3 {
  font-size: 1.02rem;
  margin-bottom: 6px;
}

.timeline p {
  margin-bottom: 0;
  font-size: 0.91rem;
  color: var(--text-dim);
}

/* ---------- 9. FAQ ---------- */
.faq-list {
  max-width: 880px;
  margin: 0 auto;
  display: grid;
  gap: 14px;
}

.faq-item {
  background: linear-gradient(168deg, var(--bg-panel), var(--bg-soft));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color 0.26s var(--ease);
}

.faq-item.is-open { border-color: rgba(255, 196, 77, 0.34); }

.faq-q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
  padding: 19px 22px;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  color: #fff;
  text-align: left;
  background: transparent;
  border: 0;
  cursor: pointer;
}

.faq-q:hover { color: var(--accent); }

.faq-q__icon {
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  font-size: 1rem;
  line-height: 1;
  color: var(--accent);
  background: rgba(255, 196, 77, 0.1);
  transition: transform 0.3s var(--ease), background-color 0.3s var(--ease);
}

.faq-item.is-open .faq-q__icon {
  transform: rotate(45deg);
  background: rgba(255, 196, 77, 0.2);
}

.faq-a {
  display: none;
  padding: 0 22px 20px;
  font-size: 0.94rem;
  color: var(--text-dim);
}

.faq-item.is-open .faq-a { display: block; }

.faq-a p:last-child { margin-bottom: 0; }

/* ---------- 10. CTA ---------- */
.cta {
  position: relative;
  overflow: hidden;
  margin: 0 auto;
  padding: 54px 44px;
  text-align: center;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 196, 77, 0.26);
  background:
    radial-gradient(600px 260px at 18% 0%, rgba(255, 196, 77, 0.16), transparent 68%),
    radial-gradient(560px 260px at 88% 100%, rgba(255, 196, 77, 0.16), transparent 68%),
    linear-gradient(160deg, #141c2a, #0c1119);
  box-shadow: var(--shadow);
}

.cta::before {
  content: "";
  position: absolute;
  inset: -40% -10% auto auto;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(111, 140, 255, 0.28), transparent 70%);
  animation: pulseSoft 8s ease-in-out infinite;
  pointer-events: none;
}

.cta h2 { margin-bottom: 12px; }

.cta p {
  max-width: 640px;
  margin: 0 auto;
  color: var(--text-dim);
}

.cta .btn-row { justify-content: center; }

.cta__note {
  margin-top: 18px;
  font-size: 0.82rem;
  color: var(--text-mute);
}

/* ---------- 11. 表单 ---------- */
.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.field { display: flex; flex-direction: column; gap: 7px; }

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

.field label {
  font-size: 0.87rem;
  font-weight: 600;
  color: var(--text-dim);
}

.field label span { color: var(--danger); }

.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 12px 15px;
  font-family: inherit;
  font-size: 0.95rem;
  color: var(--text);
  background: #0c121c;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  transition: border-color 0.24s var(--ease), box-shadow 0.24s var(--ease);
}

.field textarea { resize: vertical; min-height: 132px; }

.field input::placeholder,
.field textarea::placeholder { color: #5c6880; }

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(255, 196, 77, 0.14);
}

.field input[aria-invalid="true"],
.field textarea[aria-invalid="true"] {
  border-color: var(--danger);
}

.field__error {
  display: none;
  font-size: 0.79rem;
  color: var(--danger);
}

.field.has-error .field__error { display: block; }

.form-status {
  display: none;
  margin-top: 16px;
  padding: 13px 16px;
  font-size: 0.9rem;
  border-radius: 10px;
  border: 1px solid rgba(53, 223, 196, 0.36);
  background: rgba(53, 223, 196, 0.09);
  color: var(--accent-2);
}

.form-status.is-visible { display: block; }

.contact-list {
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 0.92rem;
}

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

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

.contact-list strong {
  flex: 0 0 84px;
  color: #fff;
  font-weight: 600;
}

/* ---------- 12. 新闻列表 ---------- */
.news-list {
  display: grid;
  gap: 20px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.news-card {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 0;
  background: linear-gradient(168deg, var(--bg-panel), var(--bg-soft));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.3s var(--ease), border-color 0.3s var(--ease),
    box-shadow 0.3s var(--ease);
}

.news-card:hover {
  transform: translateY(-4px);
  border-color: rgba(111, 140, 255, 0.34);
  box-shadow: var(--shadow);
}

.news-card__media { overflow: hidden; display: block; }

.news-card__media img {
  width: 100%;
  height: 100%;
  min-height: 190px;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  transition: transform 0.55s var(--ease);
}

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

.news-card__body {
  padding: 24px 26px;
  display: flex;
  flex-direction: column;
}

.news-card__body h3 {
  margin-bottom: 10px;
  font-size: 1.14rem;
  line-height: 1.45;
}

.news-card__body h3 a { color: #fff; }
.news-card__body h3 a:hover { color: var(--accent); }

.news-card__body p {
  flex: 1;
  font-size: 0.93rem;
  color: var(--text-dim);
  margin-bottom: 14px;
}

.news-card__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 18px;
  font-size: 0.79rem;
  color: var(--text-mute);
}

.news-card__foot .more { margin-left: auto; font-weight: 600; }

/* 筛选按钮 */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 30px;
}

.filter-btn {
  padding: 8px 17px;
  font-family: inherit;
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--text-dim);
  background: rgba(255, 255, 255, 0.045);
  border: 1px solid var(--line);
  border-radius: 999px;
  cursor: pointer;
  transition: color 0.24s var(--ease), background-color 0.24s var(--ease),
    border-color 0.24s var(--ease);
}

.filter-btn:hover { color: #fff; border-color: var(--line-strong); }

.filter-btn.is-active {
  color: #17120a;
  background: var(--accent);
  border-color: var(--accent);
}

/* 文章正文（news-detail） */
.article-head h1 { margin-bottom: 14px; }

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin-bottom: 26px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line);
  font-size: 0.83rem;
  color: var(--text-mute);
}

.article-figure { margin: 0 0 26px; }

.article-figure img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid var(--line);
}

.article-figure figcaption {
  margin-top: 10px;
  font-size: 0.81rem;
  color: var(--text-mute);
  text-align: center;
}

.toc {
  margin: 0;
  padding-left: 1.1rem;
  font-size: 0.9rem;
  color: var(--text-dim);
}

.toc li { margin-bottom: 0.55em; }

/* ---------- 13. 页脚 ---------- */
.site-footer {
  margin-top: 20px;
  padding: 58px 0 26px;
  background: linear-gradient(180deg, rgba(13, 18, 27, 0.6), #06080d 72%);
  border-top: 1px solid var(--line);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.1fr;
  gap: 34px;
}

.footer-brand p {
  margin: 14px 0 0;
  font-size: 0.9rem;
  color: var(--text-mute);
  max-width: 320px;
}

.footer-col h4 {
  margin-bottom: 14px;
  font-size: 0.92rem;
  letter-spacing: 0.04em;
  color: #fff;
}

.footer-col ul {
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 0.9rem;
}

.footer-col li { margin-bottom: 9px; }

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

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 40px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
  font-size: 0.83rem;
  color: var(--text-mute);
}

.footer-bottom p { margin: 0; }

.footer-note {
  margin-top: 10px;
  font-size: 0.79rem;
  color: #5b667e;
  line-height: 1.7;
}

/* ---------- 14. 回到顶部 ---------- */
.back-top {
  position: fixed;
  right: 22px;
  bottom: 26px;
  z-index: 130;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  font-size: 0.78rem;
  font-weight: 700;
  color: #17120a;
  background: var(--accent);
  border: 0;
  border-radius: 50%;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  box-shadow: 0 10px 26px rgba(255, 196, 77, 0.3);
  transition: opacity 0.3s var(--ease), transform 0.3s var(--ease),
    visibility 0.3s var(--ease);
}

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

/* ---------- 15. 动画 ---------- */
@keyframes floatY {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-11px); }
}

@keyframes pulseSoft {
  0%, 100% { transform: scale(1); opacity: 0.9; }
  50% { transform: scale(1.14); opacity: 0.55; }
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(22px); }
  to { opacity: 1; transform: translateY(0); }
}

.reveal {
  opacity: 0;
  transform: translateY(22px);
}

.reveal.is-in {
  animation: fadeUp 0.72s var(--ease) forwards;
}

.reveal-d1 { animation-delay: 0.1s; }
.reveal-d2 { animation-delay: 0.2s; }
.reveal-d3 { animation-delay: 0.3s; }
.reveal-d4 { animation-delay: 0.4s; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal,
  .reveal.is-in {
    opacity: 1;
    transform: none;
    animation: none;
  }
  .hero__badge,
  .cta::before { animation: none; }
  .btn:hover,
  .card:hover,
  .news-card:hover { transform: none; }
}

/* ---------- 16. 响应式 ---------- */
@media (max-width: 1080px) {
  .hero__grid { grid-template-columns: 1fr; gap: 38px; }
  .hero__media { max-width: 620px; }
  .split { grid-template-columns: 1fr; gap: 30px; }
  .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px; }
  .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 900px) {
  .nav-toggle { display: inline-flex; }

  .nav-links {
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    margin: 0;
    padding: 12px 18px 20px;
    background: rgba(9, 13, 20, 0.98);
    border-bottom: 1px solid var(--line);
    box-shadow: 0 22px 40px rgba(0, 0, 0, 0.5);
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    visibility: hidden;
    transition: max-height 0.34s var(--ease), opacity 0.28s var(--ease),
      visibility 0.28s var(--ease);
  }

  .nav-links.is-open {
    max-height: 460px;
    opacity: 1;
    visibility: visible;
    overflow-y: auto;
  }

  .nav-links a {
    padding: 12px 10px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 8px;
  }

  .nav-links a::after { display: none; }

  .nav-cta { margin: 12px 0 0; }
  .nav-cta .btn { width: 100%; }

  .news-card { grid-template-columns: 1fr; }
  .news-card__media img { min-height: 0; }
  .section { padding: 58px 0; }
  .cta { padding: 40px 24px; }
}

@media (max-width: 720px) {
  body { font-size: 15.5px; }
  .grid-2,
  .grid-3,
  .grid-4 { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .hero { padding: 56px 0 62px; }
  .hero__stats { gap: 16px 26px; }
  .hero__stats strong { font-size: 1.4rem; }
  .hero__badge { left: 8px; bottom: 12px; padding: 10px 14px; }
  .brand__text { max-width: 200px; font-size: 0.9rem; }
  .brand__sub { display: none; }
  .section-head { margin-bottom: 34px; }
  .page-hero { padding: 44px 0 40px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .back-top { right: 14px; bottom: 16px; }
}

@media (max-width: 420px) {
  .container { padding: 0 16px; }
  .btn { width: 100%; }
  .btn-row .btn { width: 100%; }
  .hero__media img { aspect-ratio: 3 / 2; }
  .brand__mark { width: 34px; height: 34px; }
}

/* 打印友好 */
@media print {
  body { background: #fff; color: #000; }
  .site-header, .site-footer, .back-top, .cta { display: none; }
  .card, .panel, .news-card { border-color: #ddd; box-shadow: none; }
}


/* ===== 内页 Hero 双栏（图片 + 文案） ===== */
.page-hero__grid {
  display: grid;
  grid-template-columns: 1.12fr 0.88fr;
  gap: 44px;
  align-items: center;
}

.page-hero__grid h1 {
  margin-bottom: 16px;
}

.page-hero__grid img {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid var(--line-strong);
  box-shadow: var(--shadow);
  transition: transform 0.5s ease, box-shadow 0.5s ease;
}

.page-hero__grid img:hover {
  transform: translateY(-4px) scale(1.01);
  box-shadow: var(--shadow-strong);
}

/* ===== 内页 Hero 文章头 ===== */
.article-head {
  max-width: 900px;
}

.article-head .lead {
  font-size: 1.02rem;
  color: var(--text-soft);
  line-height: 1.85;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  font-size: 0.84rem;
  color: var(--text-dim);
  letter-spacing: 0.02em;
}

.article-figure {
  margin: 0 0 30px;
}

.article-figure img {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid var(--line-strong);
}

.article-figure figcaption {
  margin-top: 10px;
  font-size: 0.82rem;
  color: var(--text-dim);
  line-height: 1.7;
}

/* ===== 时间线（无内联样式版） ===== */
ul.timeline {
  list-style: none;
  margin: 0;
  padding: 0 0 0 18px;
  border-left: 1px solid var(--line-strong);
}

ul.timeline > li {
  position: relative;
  padding-bottom: 26px;
}

ul.timeline > li::before {
  content: "";
  position: absolute;
  left: -24px;
  top: 6px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px rgba(255, 196, 77, 0.14);
}

/* ===== 表单 ===== */
.form {
  margin-top: 26px;
  padding: 26px;
  background: linear-gradient(168deg, var(--bg-panel-2), var(--bg-soft));
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.form-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-bottom: 18px;
}

.form .field {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 0;
  margin-bottom: 4px;
}

.form label {
  font-size: 0.87rem;
  font-weight: 600;
  color: var(--text);
  letter-spacing: 0.01em;
}

.form input[type="text"],
.form input[type="email"],
.form select,
.form textarea {
  width: 100%;
  padding: 11px 13px;
  font-family: inherit;
  font-size: 0.92rem;
  color: var(--text);
  background: rgba(9, 12, 18, 0.72);
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.form textarea {
  resize: vertical;
  min-height: 140px;
  line-height: 1.75;
}

.form input::placeholder,
.form textarea::placeholder {
  color: var(--text-dim);
}

.form input:focus,
.form select:focus,
.form textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(255, 196, 77, 0.16);
}

.form select option {
  background: #0d121b;
  color: var(--text);
}

.field-hint {
  font-size: 0.78rem;
  color: var(--text-dim);
  line-height: 1.6;
}

.field-error {
  min-height: 0;
  font-size: 0.78rem;
  color: #ff7a6b;
  line-height: 1.6;
}

.field-error:empty {
  display: none;
}

.field.has-error input,
.field.has-error select,
.field.has-error textarea {
  border-color: #ff7a6b;
  box-shadow: 0 0 0 3px rgba(255, 122, 107, 0.12);
}

.field--inline {
  flex-direction: row !important;
  align-items: flex-start;
  gap: 10px;
  margin: 6px 0 20px;
}

.field--inline input[type="checkbox"] {
  width: 16px;
  height: 16px;
  margin-top: 3px;
  accent-color: var(--accent);
  flex: 0 0 auto;
}

.field--inline label {
  font-weight: 400;
  font-size: 0.84rem;
  color: var(--text-soft);
  line-height: 1.7;
}

.form-note {
  margin-top: 14px;
  font-size: 0.82rem;
  color: var(--text-dim);
  line-height: 1.7;
}

.form-note.is-success,
.form-note.is-visible {
  color: var(--accent);
}

/* ===== 间距辅助 ===== */
.grid--mt {
  margin-top: 22px;
}

.table-wrap--mt {
  margin-top: 34px;
}

/* ===== 内页网格响应式 ===== */
@media (max-width: 1080px) {
  .page-hero__grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
}

@media (max-width: 720px) {
  .form-row {
    grid-template-columns: 1fr;
  }
  .form {
    padding: 20px 16px;
  }
  .article-meta {
    gap: 8px 16px;
  }
  .page-hero__grid img {
    aspect-ratio: 16 / 9;
  }
}