@charset "utf-8";
/* ==========================================================================
   黑料网 - 热点资讯 / 曝光查询平台  主样式表
   说明：全站样式统一外联，禁止页面内联大段样式
   ========================================================================== */

/* 本地字体优先，避免外部字体请求阻塞渲染，等价于 font-display: swap 的即时回退效果 */
@font-face {
  font-family: "HL Local Sans";
  src: local("Microsoft YaHei"), local("PingFang SC"), local("Hiragino Sans GB"), local("Source Han Sans SC");
  font-display: swap;
}

/* ---------- 1. 设计令牌 ---------- */
:root {
  --bg: #080b12;
  --bg-soft: #0d121c;
  --bg-panel: #121a27;
  --bg-card: #151f2e;
  --line: rgba(255, 255, 255, 0.08);
  --line-strong: rgba(255, 255, 255, 0.16);
  --text: #e9eef7;
  --text-soft: #b6c1d4;
  --muted: #8894a8;
  --brand: #ff4d4f;
  --brand-2: #ff8a3d;
  --brand-3: #ff2d55;
  --accent: #2ad3a4;
  --accent-2: #3b9cff;
  --grad-brand: linear-gradient(135deg, #ff4d4f 0%, #ff8a3d 100%);
  --grad-deep: linear-gradient(180deg, #0a0f18 0%, #080b12 100%);
  --grad-glass: linear-gradient(140deg, rgba(255, 255, 255, 0.07), rgba(255, 255, 255, 0.02));
  --shadow-sm: 0 6px 18px rgba(0, 0, 0, 0.28);
  --shadow-md: 0 16px 40px rgba(0, 0, 0, 0.38);
  --shadow-glow: 0 18px 50px rgba(255, 77, 79, 0.28);
  --radius-s: 10px;
  --radius-m: 16px;
  --radius-l: 24px;
  --radius-xl: 32px;
  --container: 1200px;
  --header-h: 74px;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

/* ---------- 2. 基础重置 ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  font-family: "HL Local Sans", "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
  background-color: var(--bg);
  background-image:
    radial-gradient(1100px 520px at 12% -8%, rgba(255, 77, 79, 0.16), transparent 60%),
    radial-gradient(900px 460px at 92% 4%, rgba(59, 156, 255, 0.14), transparent 62%),
    var(--grad-deep);
  background-attachment: fixed;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
  border: 0;
}

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

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

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

h1,
h2,
h3,
h4,
h5,
h6 {
  margin: 0 0 0.5em;
  line-height: 1.28;
  font-weight: 700;
  letter-spacing: 0.2px;
}

h1 {
  font-size: clamp(1.9rem, 4.4vw, 3.1rem);
}

h2 {
  font-size: clamp(1.45rem, 2.9vw, 2.15rem);
}

h3 {
  font-size: clamp(1.1rem, 1.8vw, 1.3rem);
}

p {
  margin: 0 0 1em;
  color: var(--text-soft);
}

button,
input,
textarea,
select {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

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

::selection {
  background: rgba(255, 77, 79, 0.35);
  color: #fff;
}

/* 滚动条（桌面端） */
@media (min-width: 900px) {
  ::-webkit-scrollbar {
    width: 10px;
    height: 10px;
  }
  ::-webkit-scrollbar-track {
    background: #0a0e16;
  }
  ::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, #ff4d4f, #ff8a3d);
    border-radius: 8px;
    border: 2px solid #0a0e16;
  }
}

/* ---------- 3. 布局工具类 ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 22px;
}

.container-narrow {
  max-width: 880px;
}

.section {
  padding: 84px 0;
  position: relative;
}

.section--tight {
  padding: 56px 0;
}

.section--panel {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.026), rgba(255, 255, 255, 0));
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.section-head {
  max-width: 780px;
  margin-bottom: 42px;
}

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

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  margin-bottom: 14px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 2px;
  color: var(--brand-2);
  background: rgba(255, 138, 61, 0.1);
  border: 1px solid rgba(255, 138, 61, 0.3);
  border-radius: 999px;
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--brand);
  box-shadow: 0 0 0 3px rgba(255, 77, 79, 0.2);
  animation: pulse-dot 2s infinite;
}

.section-head h2 {
  margin-bottom: 12px;
}

.section-head p {
  margin-bottom: 0;
  font-size: 1.02rem;
  color: var(--muted);
}

.text-gradient {
  background: var(--grad-brand);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: var(--brand-2);
}

/* ---------- 4. 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 26px;
  font-size: 0.96rem;
  font-weight: 600;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  transition: transform 0.28s var(--ease), box-shadow 0.28s var(--ease), background 0.28s var(--ease), color 0.28s var(--ease), border-color 0.28s var(--ease);
}

.btn--primary {
  color: #fff;
  background: var(--grad-brand);
  box-shadow: var(--shadow-glow);
}

.btn--primary:hover {
  color: #fff;
  transform: translateY(-3px);
  box-shadow: 0 22px 56px rgba(255, 77, 79, 0.42);
}

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

.btn--ghost:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 138, 61, 0.55);
  transform: translateY(-3px);
}

.btn--accent {
  color: #06120e;
  background: linear-gradient(135deg, #2ad3a4, #7ff0c9);
  box-shadow: 0 16px 40px rgba(42, 211, 164, 0.26);
}

.btn--accent:hover {
  color: #06120e;
  transform: translateY(-3px);
  box-shadow: 0 22px 52px rgba(42, 211, 164, 0.36);
}

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

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

.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

/* ---------- 5. 顶部导航 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 900;
  background: rgba(8, 11, 18, 0.82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
  transition: background 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.site-header.is-scrolled {
  background: rgba(8, 11, 18, 0.96);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.42);
}

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

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 1;
  min-width: 0;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  flex: 0 0 38px;
  border-radius: 12px;
  background: var(--grad-brand);
  box-shadow: var(--shadow-glow);
  font-weight: 800;
  font-size: 1rem;
  color: #fff;
  letter-spacing: -0.5px;
}

.brand-text {
  font-size: 0.86rem;
  font-weight: 700;
  line-height: 1.32;
  color: #fff;
  letter-spacing: 0.2px;
  max-width: 320px;
  word-break: break-all;
}

.brand-text:hover {
  color: var(--brand-2);
}

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

.nav-menu a {
  position: relative;
  display: block;
  padding: 9px 14px;
  font-size: 0.94rem;
  font-weight: 500;
  color: var(--text-soft);
  border-radius: 999px;
  transition: color 0.24s var(--ease), background 0.24s var(--ease);
}

.nav-menu a::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 3px;
  width: 0;
  height: 2px;
  border-radius: 2px;
  background: var(--grad-brand);
  transform: translateX(-50%);
  transition: width 0.3s var(--ease);
}

.nav-menu a:hover,
.nav-menu a:focus-visible {
  color: #fff;
  background: rgba(255, 255, 255, 0.06);
}

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

.nav-menu a.is-active {
  color: #fff;
  background: rgba(255, 77, 79, 0.14);
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--line-strong);
  cursor: pointer;
  padding: 0;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
}

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

.nav-toggle.is-open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle.is-open span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.is-open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ---------- 6. Hero 主视觉 ---------- */
.hero {
  position: relative;
  padding: 88px 0 84px;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}

.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: 62px 62px;
  mask-image: radial-gradient(circle at 50% 24%, #000 0%, transparent 74%);
  -webkit-mask-image: radial-gradient(circle at 50% 24%, #000 0%, transparent 74%);
  pointer-events: none;
}

.hero::after {
  content: "";
  position: absolute;
  top: -180px;
  right: -140px;
  width: 520px;
  height: 520px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 77, 79, 0.3), transparent 66%);
  filter: blur(18px);
  pointer-events: none;
  animation: float-soft 9s ease-in-out infinite;
}

.hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.06fr 0.94fr;
  align-items: center;
  gap: 54px;
}

.hero-copy h1 {
  margin-bottom: 18px;
}

.hero-copy .hero-lead {
  font-size: 1.06rem;
  line-height: 1.85;
  color: var(--text-soft);
  max-width: 620px;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 22px 0 30px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 14px;
  font-size: 0.83rem;
  color: var(--text-soft);
  background: var(--grad-glass);
  border: 1px solid var(--line);
  border-radius: 999px;
}

.badge i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 3px rgba(42, 211, 164, 0.16);
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 38px;
  padding-top: 28px;
  border-top: 1px dashed var(--line-strong);
}

.hero-stats .stat-num {
  display: block;
  font-size: clamp(1.35rem, 2.4vw, 1.85rem);
  font-weight: 800;
  background: var(--grad-brand);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1.2;
}

.hero-stats .stat-label {
  font-size: 0.82rem;
  color: var(--muted);
}

.hero-visual {
  position: relative;
}

.hero-figure {
  position: relative;
  margin: 0;
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--line-strong);
  box-shadow: var(--shadow-md);
  background: var(--bg-panel);
}

.hero-figure img {
  width: 100%;
  height: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  transform: scale(1.02);
  transition: transform 0.9s var(--ease);
}

.hero-figure:hover img {
  transform: scale(1.08);
}

.hero-figure::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(8, 11, 18, 0.06) 0%, rgba(8, 11, 18, 0.72) 100%);
}

.hero-figure figcaption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 2;
  padding: 18px 20px;
  font-size: 0.86rem;
  color: var(--text-soft);
  display: flex;
  align-items: center;
  gap: 10px;
}

.live-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--brand);
  box-shadow: 0 0 0 4px rgba(255, 77, 79, 0.22);
  animation: pulse-dot 1.8s infinite;
}

.hero-float-card {
  position: absolute;
  left: -18px;
  bottom: 34px;
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  border-radius: var(--radius-m);
  background: rgba(18, 26, 39, 0.92);
  border: 1px solid var(--line-strong);
  box-shadow: var(--shadow-md);
  backdrop-filter: blur(10px);
  animation: float-soft 7s ease-in-out infinite;
}

.hero-float-card .fc-num {
  font-size: 1.5rem;
  font-weight: 800;
  line-height: 1;
  color: var(--accent);
}

.hero-float-card .fc-text {
  font-size: 0.78rem;
  line-height: 1.4;
  color: var(--muted);
}

/* ---------- 7. 卡片网格 ---------- */
.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));
}

.card {
  position: relative;
  padding: 28px 26px;
  border-radius: var(--radius-l);
  background: var(--grad-glass);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: transform 0.36s var(--ease), border-color 0.36s var(--ease), box-shadow 0.36s var(--ease), background 0.36s var(--ease);
}

.card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(420px 200px at 50% -30%, rgba(255, 77, 79, 0.22), transparent 70%);
  opacity: 0;
  transition: opacity 0.4s var(--ease);
  pointer-events: none;
}

.card:hover {
  transform: translateY(-6px);
  border-color: rgba(255, 138, 61, 0.42);
  box-shadow: 0 24px 54px rgba(0, 0, 0, 0.45);
}

.card:hover::before {
  opacity: 1;
}

.card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  margin-bottom: 18px;
  border-radius: 15px;
  font-size: 1.25rem;
  font-weight: 800;
  color: #fff;
  background: linear-gradient(135deg, rgba(255, 77, 79, 0.9), rgba(255, 138, 61, 0.75));
  box-shadow: 0 12px 26px rgba(255, 77, 79, 0.28);
}

.card-icon--accent {
  background: linear-gradient(135deg, rgba(42, 211, 164, 0.9), rgba(59, 156, 255, 0.75));
  box-shadow: 0 12px 26px rgba(42, 211, 164, 0.24);
}

.card-icon--blue {
  background: linear-gradient(135deg, rgba(59, 156, 255, 0.9), rgba(126, 96, 255, 0.8));
  box-shadow: 0 12px 26px rgba(59, 156, 255, 0.26);
}

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

.card p {
  margin-bottom: 0;
  font-size: 0.94rem;
  color: var(--muted);
}

.card-list {
  margin-top: 16px;
  display: grid;
  gap: 8px;
}

.card-list li {
  position: relative;
  padding-left: 20px;
  font-size: 0.88rem;
  color: var(--text-soft);
}

.card-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  border: 2px solid var(--brand-2);
}

/* 数字标注卡片 */
.feature-index {
  position: absolute;
  top: 18px;
  right: 22px;
  font-size: 2.6rem;
  font-weight: 800;
  line-height: 1;
  color: rgba(255, 255, 255, 0.06);
  letter-spacing: -2px;
}

/* ---------- 8. 服务区 ---------- */
.service-card {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 30px 28px;
  border-radius: var(--radius-l);
  background: linear-gradient(160deg, rgba(21, 31, 46, 0.95), rgba(13, 18, 28, 0.92));
  border: 1px solid var(--line);
  transition: transform 0.36s var(--ease), border-color 0.36s var(--ease), box-shadow 0.36s var(--ease);
}

.service-card:hover {
  transform: translateY(-6px);
  border-color: rgba(59, 156, 255, 0.4);
  box-shadow: 0 22px 50px rgba(0, 0, 0, 0.44);
}

.service-card .service-tag {
  align-self: flex-start;
  padding: 5px 12px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 1px;
  color: var(--accent);
  background: rgba(42, 211, 164, 0.12);
  border: 1px solid rgba(42, 211, 164, 0.28);
  border-radius: 999px;
}

.service-card .service-price {
  display: flex;
  align-items: baseline;
  gap: 6px;
  color: #fff;
}

.service-card .service-price strong {
  font-size: 2rem;
  font-weight: 800;
  line-height: 1;
  background: var(--grad-brand);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.service-card .service-price span {
  font-size: 0.82rem;
  color: var(--muted);
}

/* ---------- 9. 资讯列表 / 文章卡 ---------- */
.news-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 28px;
  padding: 16px 18px;
  border-radius: var(--radius-m);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--line);
}

.filter-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.chip {
  padding: 8px 18px;
  font-size: 0.86rem;
  color: var(--text-soft);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--line);
  border-radius: 999px;
  cursor: pointer;
  transition: all 0.26s var(--ease);
}

.chip:hover {
  color: #fff;
  border-color: rgba(255, 138, 61, 0.5);
}

.chip.is-active {
  color: #fff;
  background: var(--grad-brand);
  border-color: transparent;
  box-shadow: 0 10px 24px rgba(255, 77, 79, 0.3);
}

.toolbar-count {
  font-size: 0.84rem;
  color: var(--muted);
}

.news-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.news-card {
  display: flex;
  flex-direction: column;
  border-radius: var(--radius-l);
  overflow: hidden;
  background: var(--bg-card);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-sm);
  transition: transform 0.36s var(--ease), border-color 0.36s var(--ease), box-shadow 0.36s var(--ease);
}

.news-card:hover {
  transform: translateY(-7px);
  border-color: rgba(255, 138, 61, 0.4);
  box-shadow: 0 26px 58px rgba(0, 0, 0, 0.5);
}

.news-thumb {
  position: relative;
  overflow: hidden;
  background: var(--bg-panel);
}

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

.news-card:hover .news-thumb img {
  transform: scale(1.07);
}

.news-cat {
  position: absolute;
  top: 14px;
  left: 14px;
  padding: 5px 12px;
  font-size: 0.75rem;
  font-weight: 600;
  color: #fff;
  background: rgba(255, 77, 79, 0.9);
  border-radius: 999px;
  backdrop-filter: blur(6px);
}

.news-body {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 20px 20px 22px;
  flex: 1;
}

.news-body h3 {
  margin: 0;
  font-size: 1.06rem;
  line-height: 1.5;
}

.news-body h3 a:hover {
  color: var(--brand-2);
}

.news-body p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--muted);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-top: auto;
  padding-top: 12px;
  font-size: 0.78rem;
  color: var(--muted);
  border-top: 1px dashed var(--line);
}

.news-meta span {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

/* 列表行（首页/资讯页） */
.news-row {
  display: flex;
  gap: 18px;
  padding: 18px;
  border-radius: var(--radius-m);
  background: rgba(255, 255, 255, 0.028);
  border: 1px solid var(--line);
  transition: transform 0.3s var(--ease), border-color 0.3s var(--ease), background 0.3s var(--ease);
}

.news-row:hover {
  transform: translateX(4px);
  border-color: rgba(255, 138, 61, 0.4);
  background: rgba(255, 255, 255, 0.05);
}

.news-row .row-thumb {
  flex: 0 0 132px;
  width: 132px;
  border-radius: 12px;
  overflow: hidden;
}

.news-row .row-thumb img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.news-row .row-body h3 {
  margin: 0 0 6px;
  font-size: 1.02rem;
}

.news-row .row-body p {
  margin: 0 0 8px;
  font-size: 0.86rem;
  color: var(--muted);
}

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

.rank-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 14px 16px;
  border-radius: var(--radius-m);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--line);
  transition: background 0.28s var(--ease), transform 0.28s var(--ease);
}

.rank-item:hover {
  background: rgba(255, 255, 255, 0.06);
  transform: translateX(3px);
}

.rank-num {
  flex: 0 0 26px;
  width: 26px;
  height: 26px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  font-size: 0.82rem;
  font-weight: 800;
  color: #fff;
  background: rgba(255, 255, 255, 0.1);
}

.rank-item:nth-child(1) .rank-num {
  background: linear-gradient(135deg, #ff4d4f, #ff8a3d);
}

.rank-item:nth-child(2) .rank-num {
  background: linear-gradient(135deg, #ff8a3d, #ffc247);
}

.rank-item:nth-child(3) .rank-num {
  background: linear-gradient(135deg, #ffb347, #ffd98a);
  color: #201202;
}

.rank-item .rank-title {
  font-size: 0.93rem;
  color: var(--text);
  line-height: 1.55;
}

.rank-item .rank-sub {
  display: block;
  margin-top: 3px;
  font-size: 0.76rem;
  color: var(--muted);
}

/* ---------- 10. FAQ 手风琴 ---------- */
.faq-list {
  display: grid;
  gap: 14px;
}

.faq-item {
  border-radius: var(--radius-m);
  background: rgba(255, 255, 255, 0.032);
  border: 1px solid var(--line);
  overflow: hidden;
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease);
}

.faq-item.is-open {
  border-color: rgba(255, 138, 61, 0.45);
  background: rgba(255, 138, 61, 0.06);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 22px;
  font-size: 1rem;
  font-weight: 600;
  text-align: left;
  color: var(--text);
  background: transparent;
  border: 0;
  cursor: pointer;
  transition: color 0.24s var(--ease);
}

.faq-question:hover {
  color: var(--brand-2);
}

.faq-icon {
  flex: 0 0 24px;
  width: 24px;
  height: 24px;
  position: relative;
  border-radius: 50%;
  border: 1px solid var(--line-strong);
  transition: transform 0.32s var(--ease), border-color 0.32s var(--ease);
}

.faq-icon::before,
.faq-icon::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  background: var(--brand-2);
  transform: translate(-50%, -50%);
}

.faq-icon::before {
  width: 10px;
  height: 2px;
}

.faq-icon::after {
  width: 2px;
  height: 10px;
  transition: transform 0.32s var(--ease), opacity 0.32s var(--ease);
}

.faq-item.is-open .faq-icon {
  transform: rotate(180deg);
  border-color: rgba(255, 138, 61, 0.6);
}

.faq-item.is-open .faq-icon::after {
  opacity: 0;
  transform: translate(-50%, -50%) scaleY(0);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.42s var(--ease), padding 0.42s var(--ease);
  padding: 0 22px;
}

.faq-item.is-open .faq-answer {
  max-height: 460px;
  padding: 0 22px 20px;
}

.faq-answer p {
  margin: 0;
  font-size: 0.92rem;
  color: var(--text-soft);
}

/* ---------- 11. CTA 区 ---------- */
.cta-box {
  position: relative;
  padding: 62px 54px;
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: linear-gradient(120deg, rgba(255, 77, 79, 0.2), rgba(255, 138, 61, 0.12) 44%, rgba(59, 156, 255, 0.18));
  border: 1px solid rgba(255, 138, 61, 0.32);
  box-shadow: var(--shadow-md);
  text-align: center;
}

.cta-box::before {
  content: "";
  position: absolute;
  top: -120px;
  left: 50%;
  width: 620px;
  height: 320px;
  transform: translateX(-50%);
  background: radial-gradient(circle, rgba(255, 138, 61, 0.4), transparent 68%);
  filter: blur(10px);
  pointer-events: none;
}

.cta-box > * {
  position: relative;
  z-index: 2;
}

.cta-box h2 {
  margin-bottom: 14px;
}

.cta-box p {
  max-width: 660px;
  margin: 0 auto 28px;
  color: var(--text-soft);
}

.cta-box .btn-group {
  justify-content: center;
}

/* ---------- 12. 页脚 ---------- */
.site-footer {
  margin-top: 20px;
  padding: 60px 0 26px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.02), rgba(0, 0, 0, 0.4));
  border-top: 1px solid var(--line);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 38px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--line);
}

.footer-brand p {
  margin: 16px 0 0;
  font-size: 0.88rem;
  color: var(--muted);
  max-width: 360px;
}

.footer-col h3 {
  margin-bottom: 16px;
  font-size: 0.95rem;
  color: #fff;
  letter-spacing: 0.5px;
}

.footer-col li {
  margin-bottom: 10px;
  font-size: 0.88rem;
  color: var(--muted);
}

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

.footer-col a:hover {
  color: var(--brand-2);
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding-top: 24px;
  font-size: 0.82rem;
  color: var(--muted);
}

.footer-bottom p {
  margin: 0;
  color: var(--muted);
  font-size: 0.82rem;
}

.footer-note {
  font-size: 0.78rem;
  color: #6b7688;
  line-height: 1.7;
  margin: 18px 0 0;
}

/* ---------- 13. 通用内容区块 ---------- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 50px;
}

.split-figure {
  margin: 0;
  border-radius: var(--radius-l);
  overflow: hidden;
  border: 1px solid var(--line-strong);
  box-shadow: var(--shadow-md);
}

.split-figure img {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.split-figure figcaption {
  padding: 12px 18px;
  font-size: 0.8rem;
  color: var(--muted);
  background: var(--bg-panel);
}

.timeline {
  position: relative;
  display: grid;
  gap: 26px;
  padding-left: 28px;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 6px;
  bottom: 6px;
  width: 2px;
  background: linear-gradient(180deg, var(--brand), rgba(255, 138, 61, 0.12));
  border-radius: 2px;
}

.timeline-item {
  position: relative;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: -27px;
  top: 8px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--brand);
  box-shadow: 0 0 0 4px rgba(255, 77, 79, 0.14);
}

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

.timeline-item .tl-step {
  display: inline-block;
  margin-right: 8px;
  padding: 2px 9px;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--brand-2);
  background: rgba(255, 138, 61, 0.14);
  border-radius: 6px;
  vertical-align: middle;
}

.timeline-item p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--muted);
}

.stat-band {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  padding: 30px;
  border-radius: var(--radius-l);
  background: var(--grad-glass);
  border: 1px solid var(--line);
}

.stat-band .sb-item {
  text-align: center;
}

.stat-band .sb-num {
  display: block;
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  font-weight: 800;
  line-height: 1.2;
  background: var(--grad-brand);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.stat-band .sb-label {
  font-size: 0.82rem;
  color: var(--muted);
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
}

.tag {
  padding: 6px 13px;
  font-size: 0.8rem;
  color: var(--text-soft);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--line);
  border-radius: 8px;
  transition: all 0.24s var(--ease);
}

.tag:hover {
  color: #fff;
  background: rgba(255, 77, 79, 0.18);
  border-color: rgba(255, 77, 79, 0.4);
}

/* ---------- 14. 内页头部（非首页 Hero） ---------- */
.page-hero {
  position: relative;
  padding: 70px 0 60px;
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}

.page-hero::before {
  content: "";
  position: absolute;
  top: -140px;
  right: -80px;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(59, 156, 255, 0.24), transparent 68%);
  filter: blur(14px);
  pointer-events: none;
}

.page-hero .hero-lead {
  max-width: 720px;
  font-size: 1rem;
  color: var(--text-soft);
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 18px;
  font-size: 0.82rem;
  color: var(--muted);
}

.breadcrumb li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.breadcrumb li + li::before {
  content: "/";
  color: #4c5668;
}

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

.breadcrumb a:hover {
  color: var(--brand-2);
}

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

/* ---------- 15. 文章详情 ---------- */
.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 40px;
  align-items: start;
}

.article-main {
  padding: 34px 34px 38px;
  border-radius: var(--radius-l);
  background: rgba(255, 255, 255, 0.026);
  border: 1px solid var(--line);
}

.article-main > header {
  padding-bottom: 22px;
  margin-bottom: 26px;
  border-bottom: 1px solid var(--line);
}

.article-title {
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin-bottom: 14px;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  font-size: 0.82rem;
  color: var(--muted);
}

.article-cover {
  margin: 0 0 26px;
  border-radius: var(--radius-m);
  overflow: hidden;
  border: 1px solid var(--line);
}

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

.article-cover figcaption {
  padding: 10px 16px;
  font-size: 0.78rem;
  color: var(--muted);
  background: var(--bg-panel);
}

.article-body h2 {
  margin: 34px 0 14px;
  font-size: 1.3rem;
  padding-left: 14px;
  border-left: 4px solid var(--brand);
}

.article-body h3 {
  margin: 24px 0 10px;
  font-size: 1.08rem;
  color: #fff;
}

.article-body p {
  font-size: 0.97rem;
  line-height: 1.95;
  color: var(--text-soft);
}

.article-body ul {
  display: grid;
  gap: 9px;
  margin: 0 0 18px;
}

.article-body ul li {
  position: relative;
  padding-left: 22px;
  font-size: 0.95rem;
  color: var(--text-soft);
}

.article-body ul li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 11px;
  width: 7px;
  height: 7px;
  border-radius: 2px;
  background: var(--brand-2);
  transform: rotate(45deg);
}

.article-body ol {
  counter-reset: li;
  display: grid;
  gap: 10px;
  margin: 0 0 18px;
}

.article-body ol li {
  position: relative;
  padding-left: 34px;
  counter-increment: li;
  font-size: 0.95rem;
  color: var(--text-soft);
}

.article-body ol li::before {
  content: counter(li);
  position: absolute;
  left: 0;
  top: 3px;
  width: 22px;
  height: 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.74rem;
  font-weight: 700;
  color: #fff;
  background: rgba(255, 77, 79, 0.3);
  border-radius: 6px;
}

.article-quote {
  margin: 26px 0;
  padding: 20px 24px;
  border-left: 4px solid var(--brand-2);
  background: rgba(255, 138, 61, 0.08);
  border-radius: 0 var(--radius-m) var(--radius-m) 0;
}

.article-quote p {
  margin: 0;
  font-size: 0.96rem;
  color: #ffd9b8;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  margin: 18px 0 24px;
  font-size: 0.9rem;
  overflow: hidden;
  border-radius: var(--radius-s);
}

.data-table caption {
  margin-bottom: 10px;
  font-size: 0.82rem;
  color: var(--muted);
  text-align: left;
}

.data-table th,
.data-table td {
  padding: 12px 14px;
  text-align: left;
  border-bottom: 1px solid var(--line);
}

.data-table thead th {
  font-size: 0.84rem;
  color: #fff;
  background: rgba(255, 77, 79, 0.16);
}

.data-table tbody tr:hover {
  background: rgba(255, 255, 255, 0.04);
}

.data-table td {
  color: var(--text-soft);
}

.article-footer {
  margin-top: 34px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.article-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 20px;
}

/* ---------- 16. 侧栏 ---------- */
.sidebar {
  display: grid;
  gap: 22px;
  position: sticky;
  top: calc(var(--header-h) + 18px);
}

.widget {
  padding: 24px 22px;
  border-radius: var(--radius-l);
  background: var(--grad-glass);
  border: 1px solid var(--line);
}

.widget h3 {
  margin-bottom: 16px;
  font-size: 0.98rem;
  display: flex;
  align-items: center;
  gap: 9px;
}

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

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

.widget-list li {
  font-size: 0.88rem;
  color: var(--text-soft);
  line-height: 1.6;
  padding-bottom: 12px;
  border-bottom: 1px dashed var(--line);
}

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

.widget-list a:hover {
  color: var(--brand-2);
}

.widget .meta-line {
  display: block;
  margin-top: 2px;
  font-size: 0.75rem;
  color: var(--muted);
}

/* ---------- 17. 表单 ---------- */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

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

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

.form-field label {
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--text-soft);
}

.form-field label .req {
  color: var(--brand);
  margin-left: 3px;
}

.form-field input,
.form-field textarea,
.form-field select {
  width: 100%;
  padding: 12px 15px;
  font-size: 0.92rem;
  color: var(--text);
  background: rgba(255, 255, 255, 0.045);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-s);
  transition: border-color 0.26s var(--ease), background 0.26s var(--ease), box-shadow 0.26s var(--ease);
}

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

.form-field input::placeholder,
.form-field textarea::placeholder {
  color: #66707f;
}

.form-field input:focus,
.form-field textarea:focus,
.form-field select:focus {
  outline: none;
  border-color: rgba(255, 138, 61, 0.7);
  background: rgba(255, 255, 255, 0.07);
  box-shadow: 0 0 0 4px rgba(255, 138, 61, 0.12);
}

.form-field.has-error input,
.form-field.has-error textarea {
  border-color: #ff5c5c;
  box-shadow: 0 0 0 4px rgba(255, 92, 92, 0.12);
}

.field-error {
  font-size: 0.78rem;
  color: #ff8080;
  min-height: 16px;
}

.form-note {
  font-size: 0.8rem;
  color: var(--muted);
  margin: 14px 0 0;
}

.form-alert {
  display: none;
  margin-top: 16px;
  padding: 13px 16px;
  font-size: 0.88rem;
  color: #c8ffe9;
  background: rgba(42, 211, 164, 0.12);
  border: 1px solid rgba(42, 211, 164, 0.4);
  border-radius: var(--radius-s);
}

.form-alert.is-visible {
  display: block;
  animation: fade-up 0.4s var(--ease) both;
}

/* 联系信息卡 */
.contact-list {
  display: grid;
  gap: 16px;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 18px;
  border-radius: var(--radius-m);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--line);
  transition: border-color 0.28s var(--ease), transform 0.28s var(--ease);
}

.contact-item:hover {
  transform: translateY(-3px);
  border-color: rgba(255, 138, 61, 0.4);
}

.contact-item .ci-icon {
  flex: 0 0 42px;
  width: 42px;
  height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  font-weight: 800;
  font-size: 0.95rem;
  color: #fff;
  background: linear-gradient(135deg, rgba(255, 77, 79, 0.9), rgba(255, 138, 61, 0.8));
}

.contact-item h3 {
  margin: 0 0 4px;
  font-size: 0.96rem;
}

.contact-item p {
  margin: 0;
  font-size: 0.86rem;
  color: var(--muted);
}

/* ---------- 18. 分页 ---------- */
.pagination {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 40px;
}

.page-btn {
  min-width: 42px;
  height: 42px;
  padding: 0 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-soft);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--line);
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.26s var(--ease);
}

.page-btn:hover:not(:disabled) {
  color: #fff;
  border-color: rgba(255, 138, 61, 0.5);
  transform: translateY(-2px);
}

.page-btn.is-active {
  color: #fff;
  background: var(--grad-brand);
  border-color: transparent;
  box-shadow: 0 10px 24px rgba(255, 77, 79, 0.3);
}

.page-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.page-ellipsis {
  color: var(--muted);
  padding: 0 4px;
}

/* ---------- 19. 回到顶部 ---------- */
.back-top {
  position: fixed;
  right: 24px;
  bottom: 26px;
  z-index: 800;
  width: 48px;
  height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  color: #fff;
  background: var(--grad-brand);
  border: 0;
  box-shadow: var(--shadow-glow);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(14px);
  transition: opacity 0.3s var(--ease), transform 0.3s var(--ease), visibility 0.3s;
}

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

.back-top:hover {
  transform: translateY(-3px);
}

.back-top span {
  font-size: 1.1rem;
  font-weight: 700;
  line-height: 1;
}

/* ---------- 20. 滚动渐入动画 ---------- */
.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.72s var(--ease), transform 0.72s var(--ease);
  will-change: opacity, transform;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal--delay-1 {
  transition-delay: 0.09s;
}

.reveal--delay-2 {
  transition-delay: 0.18s;
}

.reveal--delay-3 {
  transition-delay: 0.27s;
}

@keyframes fade-up {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes float-soft {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-12px);
  }
}

@keyframes pulse-dot {
  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.55;
    transform: scale(0.86);
  }
}

@keyframes shine {
  0% {
    background-position: -220% 0;
  }
  100% {
    background-position: 220% 0;
  }
}

.hero-copy > * {
  animation: fade-up 0.8s var(--ease) both;
}

.hero-copy > *:nth-child(1) {
  animation-delay: 0.04s;
}

.hero-copy > *:nth-child(2) {
  animation-delay: 0.12s;
}

.hero-copy > *:nth-child(3) {
  animation-delay: 0.2s;
}

.hero-copy > *:nth-child(4) {
  animation-delay: 0.28s;
}

.hero-copy > *:nth-child(5) {
  animation-delay: 0.36s;
}

.hero-visual {
  animation: fade-up 0.9s var(--ease) 0.16s both;
}

@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;
  }
}

/* ---------- 21. 响应式 ---------- */
@media (max-width: 1080px) {
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 42px;
  }
  .hero::after {
    display: none;
  }
  .hero-float-card {
    left: auto;
    right: 16px;
  }
  .article-layout {
    grid-template-columns: 1fr;
  }
  .sidebar {
    position: static;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 30px;
  }
  .grid--4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .news-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 900px) {
  :root {
    --header-h: 66px;
  }
  .section {
    padding: 64px 0;
  }
  .nav-toggle {
    display: inline-flex;
  }
  .nav-actions .btn {
    display: none;
  }
  .nav-menu {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    z-index: 890;
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    padding: 14px 18px 22px;
    background: rgba(8, 11, 18, 0.985);
    border-bottom: 1px solid var(--line-strong);
    box-shadow: 0 24px 44px rgba(0, 0, 0, 0.5);
    transform: translateY(-14px);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.28s var(--ease), transform 0.28s var(--ease), visibility 0.28s;
    max-height: calc(100vh - var(--header-h));
    overflow-y: auto;
  }
  .nav-menu.is-open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: auto;
  }
  .nav-menu a {
    padding: 13px 16px;
    border-radius: 12px;
    font-size: 1rem;
  }
  .nav-menu a::after {
    display: none;
  }
  .brand-text {
    font-size: 0.78rem;
    max-width: 230px;
  }
  .hero {
    padding: 62px 0 58px;
  }
  .grid--3,
  .grid--4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .split {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .stat-band {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
    padding: 26px 20px;
  }
  .cta-box {
    padding: 46px 26px;
  }
  .hero-stats {
    gap: 10px;
  }
  .article-main {
    padding: 26px 20px 30px;
  }
  .news-row .row-thumb {
    flex: 0 0 96px;
    width: 96px;
  }
}

@media (max-width: 680px) {
  body {
    font-size: 15px;
  }
  .section {
    padding: 52px 0;
  }
  .page-hero {
    padding: 50px 0 42px;
  }
  .grid--2,
  .grid--3,
  .grid--4,
  .news-grid {
    grid-template-columns: 1fr;
  }
  .hero-stats {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .hero-stats > div {
    display: flex;
    align-items: baseline;
    gap: 10px;
    padding-bottom: 12px;
    border-bottom: 1px dashed var(--line);
  }
  .hero-stats > div:last-child {
    border-bottom: 0;
    padding-bottom: 0;
  }
  .btn-group .btn {
    flex: 1 1 100%;
  }
  .brand-text {
    max-width: 170px;
    font-size: 0.72rem;
  }
  .brand-mark {
    width: 34px;
    height: 34px;
    flex-basis: 34px;
    font-size: 0.9rem;
  }
  .form-grid {
    grid-template-columns: 1fr;
  }
  .news-toolbar {
    padding: 14px;
  }
  .faq-question {
    padding: 15px 16px;
    font-size: 0.94rem;
  }
  .faq-answer {
    padding: 0 16px;
  }
  .faq-item.is-open .faq-answer {
    padding: 0 16px 16px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 26px;
  }
  .back-top {
    right: 14px;
    bottom: 16px;
    width: 42px;
    height: 42px;
  }
  .news-row {
    flex-direction: column;
    gap: 12px;
  }
  .news-row .row-thumb {
    width: 100%;
    flex-basis: auto;
  }
  .news-row .row-thumb img {
    aspect-ratio: 16 / 9;
  }
  .article-body h2 {
    font-size: 1.16rem;
  }
}


/* ==========================================================================
   18. 价格与会员方案卡（products.html）
   ========================================================================== */
.price-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 20px;
  padding: 34px 28px 30px;
  background: var(--grad-glass);
  border: 1px solid var(--line);
  border-radius: var(--radius-l);
  box-shadow: var(--shadow-sm);
  transition: transform 0.42s var(--ease), border-color 0.42s var(--ease), box-shadow 0.42s var(--ease);
}

.price-card:hover {
  transform: translateY(-8px);
  border-color: var(--line-strong);
  box-shadow: var(--shadow-md);
}

.price-card--popular {
  border-color: rgba(255, 77, 79, 0.48);
  background:
    linear-gradient(160deg, rgba(255, 77, 79, 0.14), rgba(255, 138, 61, 0.04) 46%, rgba(255, 255, 255, 0.02));
  box-shadow: var(--shadow-glow);
}

.price-card--popular:hover {
  box-shadow: 0 24px 62px rgba(255, 77, 79, 0.34);
}

.plan-ribbon {
  position: absolute;
  top: 20px;
  right: 0;
  padding: 6px 14px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: #fff;
  background: var(--grad-brand);
  border-radius: 999px 0 0 999px;
  box-shadow: 0 8px 20px rgba(255, 77, 79, 0.35);
}

.plan-name {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--brand-2);
}

.plan-desc {
  margin: 8px 0 0;
  min-height: 44px;
  font-size: 0.86rem;
  line-height: 1.6;
  color: var(--muted);
}

.plan-price {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-top: 16px;
}

.plan-price .currency {
  font-size: 1.15rem;
  color: var(--text-soft);
}

.plan-price strong {
  font-size: 2.7rem;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.02em;
  background: var(--grad-brand);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.plan-price .cycle {
  margin-left: 6px;
  font-size: 0.84rem;
  color: var(--muted);
}

.plan-features {
  display: grid;
  gap: 11px;
  flex: 1;
  margin: 0;
  padding: 18px 0 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.plan-features li {
  position: relative;
  padding-left: 24px;
  font-size: 0.89rem;
  line-height: 1.7;
  color: var(--text-soft);
}

.plan-features li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 10px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--grad-brand);
  box-shadow: 0 0 10px rgba(255, 77, 79, 0.55);
}

.service-card--featured {
  border-color: rgba(255, 77, 79, 0.42);
  background:
    linear-gradient(160deg, rgba(255, 77, 79, 0.12), rgba(255, 255, 255, 0.02));
  box-shadow: var(--shadow-glow);
}

/* ==========================================================================
   19. 表单模块（contact.html）
   ========================================================================== */
.contact-form {
  display: grid;
  gap: 22px;
  margin: 26px 0 30px;
  padding: 30px;
  background: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-l);
  box-shadow: var(--shadow-sm);
}

.form-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.form-field {
  display: grid;
  gap: 8px;
  align-content: start;
}

.form-field > label {
  font-size: 0.86rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--text);
}

.form-field input[type="text"],
.form-field input[type="email"],
.form-field input[type="tel"],
.form-field input[type="search"],
.form-field select,
.form-field textarea,
.form-field input[type="file"] {
  width: 100%;
  min-height: 50px;
  padding: 13px 15px;
  font-family: inherit;
  font-size: 0.92rem;
  line-height: 1.6;
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--line);
  border-radius: var(--radius-s);
  transition: border-color 0.28s var(--ease), box-shadow 0.28s var(--ease), background 0.28s var(--ease);
  appearance: none;
}

.form-field select {
  background-image:
    linear-gradient(45deg, transparent 50%, var(--text-soft) 50%),
    linear-gradient(135deg, var(--text-soft) 50%, transparent 50%);
  background-position: calc(100% - 20px) 22px, calc(100% - 14px) 22px;
  background-size: 6px 6px, 6px 6px;
  background-repeat: no-repeat;
  padding-right: 42px;
}

.form-field select option {
  color: var(--text);
  background: #101722;
}

.form-field textarea {
  min-height: 176px;
  line-height: 1.85;
  resize: vertical;
}

.form-field input[type="file"] {
  padding: 11px 14px;
  font-size: 0.84rem;
  color: var(--muted);
  cursor: pointer;
}

.form-field input::placeholder,
.form-field textarea::placeholder {
  color: #6f7c92;
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: none;
  background: rgba(255, 255, 255, 0.07);
  border-color: rgba(255, 77, 79, 0.6);
  box-shadow: 0 0 0 3px rgba(255, 77, 79, 0.14);
}

.form-field input:user-invalid,
.form-field textarea:user-invalid,
.form-field select:user-invalid {
  border-color: rgba(255, 77, 79, 0.72);
}

.form-hint {
  margin: 0;
  font-size: 0.76rem;
  line-height: 1.6;
  color: var(--muted);
}

.req {
  color: var(--brand);
  font-weight: 700;
}

.form-fieldset {
  margin: 0;
  padding: 18px 20px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  background: rgba(255, 255, 255, 0.02);
}

.form-fieldset legend {
  padding: 0 8px;
  font-size: 0.84rem;
  letter-spacing: 0.04em;
  color: var(--text-soft);
}

.check-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px 14px;
  margin-top: 6px;
}

.check-item {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 9px 11px;
  font-size: 0.86rem;
  color: var(--text-soft);
  border: 1px solid transparent;
  border-radius: var(--radius-s);
  cursor: pointer;
  transition: background 0.26s var(--ease), border-color 0.26s var(--ease), color 0.26s var(--ease);
}

.check-item:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.045);
  border-color: var(--line);
}

.check-item input[type="checkbox"] {
  flex: 0 0 auto;
  width: 16px;
  height: 16px;
  margin: 0;
  accent-color: var(--brand);
  cursor: pointer;
}

.check-item--single {
  align-items: flex-start;
  gap: 12px;
  padding: 14px 16px;
  line-height: 1.7;
  background: rgba(255, 255, 255, 0.03);
  border: 1px dashed var(--line-strong);
}

.form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 4px;
}

.form-note {
  margin: 0;
  font-size: 0.8rem;
  line-height: 1.7;
  color: var(--muted);
}

.form-note.is-error {
  color: #ff9b9b;
}

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

.contact-info li {
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.contact-info li strong {
  display: block;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

/* ==========================================================================
   20. 步骤列表（contact.html 提交说明）
   ========================================================================== */
.step-list {
  display: grid;
  gap: 16px;
  margin: 0 0 8px;
  padding: 0;
  list-style: none;
  counter-reset: step;
}

.step-list li {
  position: relative;
  padding-left: 46px;
  font-size: 0.94rem;
  line-height: 1.85;
  color: var(--text-soft);
  counter-increment: step;
}

.step-list li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 3px;
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  font-size: 0.8rem;
  font-weight: 700;
  color: #fff;
  background: var(--grad-brand);
  border-radius: 50%;
  box-shadow: 0 6px 16px rgba(255, 77, 79, 0.3);
}

.step-list li strong {
  color: var(--text);
}

/* ==========================================================================
   21. 阅读进度条（news-detail.html）
   ========================================================================== */
.reading-bar-wrap {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  z-index: 950;
  background: rgba(255, 255, 255, 0.06);
  pointer-events: none;
}

.reading-bar {
  height: 100%;
  width: 0;
  background: var(--grad-brand);
  box-shadow: 0 0 12px rgba(255, 77, 79, 0.6);
  transition: width 0.12s linear;
}

/* ==========================================================================
   22. 布局工具类
   ========================================================================== */
.article-layout--spaced {
  margin-top: 56px;
}

.btn-group--spaced {
  margin-top: 28px;
}

.section-head + .article-layout {
  margin-top: 40px;
}

/* ==========================================================================
   23. 新增模块响应式
   ========================================================================== */
@media (max-width: 900px) {
  .form-row {
    grid-template-columns: 1fr;
  }

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

  .article-layout--spaced {
    margin-top: 40px;
  }
}

@media (max-width: 560px) {
  .contact-form {
    padding: 22px 18px;
    gap: 18px;
  }

  .price-card {
    padding: 28px 22px 26px;
  }

  .plan-price strong {
    font-size: 2.3rem;
  }

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

  .form-field input[type="text"],
  .form-field input[type="email"],
  .form-field select,
  .form-field textarea {
    font-size: 16px;
  }

  .step-list li {
    padding-left: 40px;
  }
}