@charset "UTF-8";
/* ============================================================
   榴莲视频 - 全站样式表
   深色主调 + 明亮强调色，适配手机与桌面
   ============================================================ */

/* ---------- 1. 设计变量 ---------- */
:root {
  --c-bg: #080b12;
  --c-bg-2: #0d1320;
  --c-bg-3: #101a2b;
  --c-card: #131c2b;
  --c-card-hover: #18243a;
  --c-line: rgba(255, 255, 255, 0.08);
  --c-line-strong: rgba(255, 255, 255, 0.16);
  --c-text: #e9eef7;
  --c-text-2: #9aa8bf;
  --c-text-3: #6b7a92;
  --c-accent: #00e0a4;
  --c-accent-2: #22d3ee;
  --c-blue: #5b8cff;
  --c-warm: #ffb020;
  --grad-main: linear-gradient(120deg, #00e0a4 0%, #22d3ee 55%, #5b8cff 100%);
  --grad-soft: linear-gradient(160deg, rgba(0, 224, 164, 0.12) 0%, rgba(34, 211, 238, 0.04) 45%, rgba(8, 11, 18, 0) 100%);
  --r-sm: 10px;
  --r-md: 16px;
  --r-lg: 24px;
  --r-full: 999px;
  --shadow-1: 0 10px 30px -14px rgba(0, 0, 0, 0.9);
  --shadow-2: 0 26px 60px -30px rgba(0, 224, 164, 0.45);
  --container: 1180px;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --header-h: 68px;
}

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

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

body {
  margin: 0;
  padding: 0;
  font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", system-ui, -apple-system, sans-serif;
  font-size: 16px;
  line-height: 1.75;
  color: var(--c-text);
  background-color: var(--c-bg);
  background-image:
    radial-gradient(900px 520px at 12% -8%, rgba(0, 224, 164, 0.1), transparent 62%),
    radial-gradient(760px 460px at 92% 4%, rgba(91, 140, 255, 0.1), transparent 60%);
  background-repeat: no-repeat;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  margin: 0;
  font-weight: 700;
  line-height: 1.28;
  letter-spacing: -0.01em;
}

p {
  margin: 0 0 1em;
}

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

a {
  color: var(--c-accent);
  text-decoration: none;
  transition: color 0.25s var(--ease), opacity 0.25s var(--ease);
}

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

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

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

button {
  font-family: inherit;
  font-size: inherit;
  cursor: pointer;
  border: 0;
  background: none;
  color: inherit;
}

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

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

::selection {
  background: rgba(0, 224, 164, 0.28);
  color: #ffffff;
}

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

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

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

.section--alt {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.018) 0%, rgba(255, 255, 255, 0) 100%);
  border-top: 1px solid var(--c-line);
  border-bottom: 1px solid var(--c-line);
}

.section-head {
  max-width: 760px;
  margin: 0 auto 48px;
  text-align: center;
}

.section-head .eyebrow {
  display: inline-block;
  margin-bottom: 14px;
  padding: 5px 15px;
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-accent);
  background: rgba(0, 224, 164, 0.1);
  border: 1px solid rgba(0, 224, 164, 0.26);
  border-radius: var(--r-full);
}

.section-head h2 {
  font-size: clamp(24px, 3.2vw, 36px);
  margin-bottom: 14px;
}

.section-head p {
  color: var(--c-text-2);
  font-size: 15.5px;
  margin: 0;
}

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

/* ---------- 4. 站点头部与导航 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 120;
  width: 100%;
  background: rgba(8, 11, 18, 0.82);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--c-line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: var(--header-h);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  font-size: 19px;
  font-weight: 800;
  color: var(--c-text);
  letter-spacing: 0.02em;
  white-space: nowrap;
}

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

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 11px;
  background: var(--grad-main);
  color: #05121a;
  font-size: 16px;
  font-weight: 900;
  box-shadow: 0 8px 18px -8px rgba(0, 224, 164, 0.8);
  flex: 0 0 auto;
}

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

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

.nav-list a {
  display: block;
  padding: 9px 15px;
  font-size: 15px;
  font-weight: 500;
  color: var(--c-text-2);
  border-radius: var(--r-full);
  transition: color 0.25s var(--ease), background 0.25s var(--ease);
}

.nav-list a:hover {
  color: var(--c-text);
  background: rgba(255, 255, 255, 0.06);
}

.nav-list a[aria-current="page"] {
  color: #05121a;
  background: var(--grad-main);
  font-weight: 700;
  box-shadow: 0 8px 20px -12px rgba(0, 224, 164, 0.9);
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  border: 1px solid var(--c-line-strong);
  background: rgba(255, 255, 255, 0.04);
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  border-radius: 2px;
  background: var(--c-text);
  transition: transform 0.3s var(--ease), opacity 0.3s var(--ease);
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

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

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ---------- 5. 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 28px;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.2;
  border-radius: var(--r-full);
  border: 1px solid transparent;
  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);
  will-change: transform;
}

.btn--primary {
  color: #04141c;
  background: var(--grad-main);
  box-shadow: 0 14px 34px -16px rgba(0, 224, 164, 0.95);
}

.btn--primary:hover {
  color: #04141c;
  transform: translateY(-3px);
  box-shadow: 0 20px 44px -16px rgba(0, 224, 164, 0.95);
}

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

.btn--ghost:hover {
  color: #ffffff;
  border-color: rgba(0, 224, 164, 0.5);
  background: rgba(0, 224, 164, 0.1);
  transform: translateY(-3px);
}

.btn--sm {
  padding: 10px 20px;
  font-size: 14px;
}

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

/* ---------- 6. Hero 主视觉 ---------- */
.hero {
  position: relative;
  padding: 76px 0 88px;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--grad-soft);
  pointer-events: none;
}

.hero::after {
  content: "";
  position: absolute;
  left: 50%;
  top: -220px;
  width: 720px;
  height: 720px;
  transform: translateX(-50%);
  background: radial-gradient(circle, rgba(0, 224, 164, 0.14) 0%, transparent 66%);
  pointer-events: none;
  z-index: 0;
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: 54px;
  align-items: center;
}

.hero-copy h1 {
  font-size: clamp(29px, 4.4vw, 47px);
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}

.hero-copy .hero-sub {
  font-size: 17px;
  color: var(--c-text-2);
  margin-bottom: 30px;
  max-width: 560px;
}

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

.badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 15px;
  font-size: 13px;
  font-weight: 600;
  color: var(--c-text-2);
  background: rgba(255, 255, 255, 0.045);
  border: 1px solid var(--c-line);
  border-radius: var(--r-full);
}

.badge i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--c-accent);
  box-shadow: 0 0 10px 1px rgba(0, 224, 164, 0.8);
  flex: 0 0 auto;
}

.hero-figure {
  position: relative;
  border-radius: var(--r-lg);
  overflow: hidden;
  box-shadow: var(--shadow-2), var(--shadow-1);
  border: 1px solid var(--c-line-strong);
  aspect-ratio: 16 / 11;
  background: var(--c-bg-3);
}

.hero-figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s var(--ease);
}

.hero-figure:hover img {
  transform: scale(1.045);
}

.hero-figure::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(8, 11, 18, 0) 40%, rgba(8, 11, 18, 0.78) 100%);
  pointer-events: none;
}

.hero-figure figcaption {
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 16px;
  z-index: 2;
  font-size: 13.5px;
  color: rgba(255, 255, 255, 0.82);
  display: flex;
  align-items: center;
  gap: 8px;
}

.dot-live {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--c-accent);
  animation: pulse 1.8s infinite;
  flex: 0 0 auto;
}

@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(0, 224, 164, 0.7); }
  70% { box-shadow: 0 0 0 10px rgba(0, 224, 164, 0); }
  100% { box-shadow: 0 0 0 0 rgba(0, 224, 164, 0); }
}

/* ---------- 7. 数据条 ---------- */
.stat-band {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  margin-top: 54px;
  background: var(--c-line);
  border: 1px solid var(--c-line);
  border-radius: var(--r-md);
  overflow: hidden;
}

.stat-item {
  padding: 24px 18px;
  background: var(--c-bg-2);
  text-align: center;
}

.stat-item strong {
  display: block;
  font-size: clamp(22px, 2.6vw, 30px);
  font-weight: 800;
  color: var(--c-accent);
  letter-spacing: -0.02em;
}

.stat-item span {
  display: block;
  margin-top: 4px;
  font-size: 13px;
  color: var(--c-text-3);
}

/* ---------- 8. 卡片网格 ---------- */
.grid {
  display: grid;
  gap: 22px;
}

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

.card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 26px 24px;
  background: var(--c-card);
  border: 1px solid var(--c-line);
  border-radius: var(--r-md);
  transition: transform 0.32s var(--ease), border-color 0.32s var(--ease),
    background 0.32s var(--ease), box-shadow 0.32s var(--ease);
  overflow: hidden;
}

.card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--grad-main);
  opacity: 0;
  transition: opacity 0.32s var(--ease);
}

.card:hover {
  transform: translateY(-6px);
  border-color: rgba(0, 224, 164, 0.34);
  background: var(--c-card-hover);
  box-shadow: var(--shadow-1);
}

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

.card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  margin-bottom: 18px;
  border-radius: 13px;
  font-size: 20px;
  font-weight: 700;
  color: var(--c-accent);
  background: rgba(0, 224, 164, 0.1);
  border: 1px solid rgba(0, 224, 164, 0.22);
}

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

.card p {
  font-size: 14.5px;
  color: var(--c-text-2);
  margin: 0;
}

/* 带封面的内容卡片 */
.media-card {
  display: flex;
  flex-direction: column;
  padding: 0;
  background: var(--c-card);
  border: 1px solid var(--c-line);
  border-radius: var(--r-md);
  overflow: hidden;
  transition: transform 0.32s var(--ease), border-color 0.32s var(--ease), box-shadow 0.32s var(--ease);
}

.media-card:hover {
  transform: translateY(-6px);
  border-color: rgba(0, 224, 164, 0.34);
  box-shadow: var(--shadow-1);
}

.media-card .thumb {
  position: relative;
  display: block;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--c-bg-3);
}

.media-card .thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s var(--ease);
}

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

.media-card .thumb .tag {
  position: absolute;
  top: 12px;
  left: 12px;
  padding: 4px 11px;
  font-size: 12px;
  font-weight: 600;
  color: #04141c;
  background: rgba(0, 224, 164, 0.94);
  border-radius: var(--r-full);
  backdrop-filter: blur(4px);
}

.media-card .body {
  padding: 20px 22px 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.media-card h3 {
  font-size: 17px;
  margin-bottom: 9px;
}

.media-card h3 a {
  color: var(--c-text);
}

.media-card h3 a:hover {
  color: var(--c-accent);
}

.media-card p {
  font-size: 14px;
  color: var(--c-text-2);
  margin: 0 0 16px;
  flex: 1;
}

.meta-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-size: 12.5px;
  color: var(--c-text-3);
  padding-top: 14px;
  border-top: 1px dashed var(--c-line);
}

.meta-row .more:hover {
  color: var(--c-accent);
}

/* ---------- 9. 服务 / 内容双栏 ---------- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 46px;
  align-items: center;
}

.split-figure {
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--c-line-strong);
  box-shadow: var(--shadow-1);
  aspect-ratio: 4 / 3;
  background: var(--c-bg-3);
}

.split-figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.split-body h2 {
  font-size: clamp(23px, 3vw, 33px);
  margin-bottom: 16px;
}

.split-body > p {
  color: var(--c-text-2);
  font-size: 15.5px;
}

.check-list {
  margin-top: 24px;
  display: grid;
  gap: 14px;
}

.check-list li {
  display: flex;
  gap: 12px;
  font-size: 15px;
  color: var(--c-text-2);
  line-height: 1.7;
}

.check-list li::before {
  content: "✓";
  flex: 0 0 auto;
  width: 22px;
  height: 22px;
  margin-top: 3px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  color: #04141c;
  background: var(--grad-main);
  border-radius: 50%;
}

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

/* 服务条目 */
.service-item {
  display: flex;
  gap: 20px;
  padding: 26px;
  background: var(--c-card);
  border: 1px solid var(--c-line);
  border-radius: var(--r-md);
  transition: transform 0.3s var(--ease), border-color 0.3s var(--ease), background 0.3s var(--ease);
}

.service-item:hover {
  transform: translateX(6px);
  border-color: rgba(0, 224, 164, 0.3);
  background: var(--c-card-hover);
}

.service-num {
  flex: 0 0 auto;
  width: 44px;
  height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  font-weight: 800;
  color: var(--c-accent);
  border: 1px solid rgba(0, 224, 164, 0.3);
  border-radius: 12px;
  background: rgba(0, 224, 164, 0.08);
}

.service-item h3 {
  font-size: 17px;
  margin-bottom: 8px;
}

.service-item p {
  font-size: 14.5px;
  color: var(--c-text-2);
  margin: 0;
}

/* ---------- 10. FAQ ---------- */
.faq-list {
  max-width: 860px;
  margin: 0 auto;
  display: grid;
  gap: 14px;
}

.faq-item {
  background: var(--c-card);
  border: 1px solid var(--c-line);
  border-radius: var(--r-md);
  overflow: hidden;
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease);
}

.faq-item[data-open="true"] {
  border-color: rgba(0, 224, 164, 0.32);
  background: var(--c-card-hover);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
  padding: 19px 22px;
  text-align: left;
  font-size: 16px;
  font-weight: 600;
  color: var(--c-text);
  transition: color 0.25s var(--ease);
}

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

.faq-question .ico {
  flex: 0 0 auto;
  width: 24px;
  height: 24px;
  position: relative;
  border-radius: 50%;
  background: rgba(0, 224, 164, 0.12);
}

.faq-question .ico::before,
.faq-question .ico::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 11px;
  height: 1.6px;
  background: var(--c-accent);
  border-radius: 2px;
  transform: translate(-50%, -50%);
  transition: transform 0.3s var(--ease), opacity 0.3s var(--ease);
}

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

.faq-item[data-open="true"] .faq-question .ico::after {
  transform: translate(-50%, -50%) rotate(0deg);
  opacity: 0;
}

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

.faq-answer-inner {
  padding: 0 22px 20px;
  font-size: 14.5px;
  color: var(--c-text-2);
}

/* ---------- 11. CTA ---------- */
.cta-panel {
  position: relative;
  padding: 58px 40px;
  text-align: center;
  border-radius: var(--r-lg);
  border: 1px solid rgba(0, 224, 164, 0.26);
  background:
    radial-gradient(620px 320px at 50% 0%, rgba(0, 224, 164, 0.16), transparent 70%),
    linear-gradient(160deg, #0f1a2a 0%, #0a101a 100%);
  overflow: hidden;
  box-shadow: var(--shadow-2);
}

.cta-panel h2 {
  font-size: clamp(23px, 3.2vw, 34px);
  margin-bottom: 14px;
}

.cta-panel p {
  max-width: 640px;
  margin: 0 auto 28px;
  color: var(--c-text-2);
  font-size: 15.5px;
}

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

/* ---------- 12. 页脚 ---------- */
.site-footer {
  margin-top: 0;
  padding: 62px 0 26px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.015) 0%, rgba(0, 0, 0, 0.35) 100%);
  border-top: 1px solid var(--c-line);
}

.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 44px;
}

.footer-brand .brand {
  margin-bottom: 14px;
}

.footer-brand p {
  font-size: 14px;
  color: var(--c-text-3);
  max-width: 320px;
  margin: 0;
}

.footer-col h3 {
  font-size: 15px;
  margin-bottom: 16px;
  color: var(--c-text);
  letter-spacing: 0.02em;
}

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

.footer-col a,
.footer-col li {
  font-size: 14px;
  color: var(--c-text-3);
}

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

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-top: 22px;
  border-top: 1px solid var(--c-line);
  font-size: 13px;
  color: var(--c-text-3);
}

.footer-bottom .copyright strong {
  color: var(--c-text-2);
  font-weight: 600;
}

/* ---------- 13. 页面小标题（内页 hero） ---------- */
.page-hero {
  position: relative;
  padding: 64px 0 56px;
  text-align: center;
  border-bottom: 1px solid var(--c-line);
  background: var(--grad-soft);
  overflow: hidden;
}

.page-hero h1 {
  font-size: clamp(27px, 4vw, 42px);
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.page-hero .lede {
  max-width: 720px;
  margin: 0 auto;
  font-size: 16px;
  color: var(--c-text-2);
}

.breadcrumb {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 22px;
  font-size: 13px;
  color: var(--c-text-3);
}

.breadcrumb a {
  color: var(--c-text-3);
}

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

.breadcrumb span {
  opacity: 0.5;
}

/* ---------- 14. 筛选按钮 ---------- */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-bottom: 40px;
}

.filter-btn {
  padding: 9px 20px;
  font-size: 14px;
  font-weight: 600;
  color: var(--c-text-2);
  border: 1px solid var(--c-line-strong);
  border-radius: var(--r-full);
  background: rgba(255, 255, 255, 0.03);
  transition: all 0.26s var(--ease);
}

.filter-btn:hover {
  color: var(--c-text);
  border-color: rgba(0, 224, 164, 0.45);
}

.filter-btn[aria-pressed="true"] {
  color: #04141c;
  background: var(--grad-main);
  border-color: transparent;
  box-shadow: 0 10px 26px -14px rgba(0, 224, 164, 0.9);
}

.is-hidden {
  display: none !important;
}

/* ---------- 15. 资讯列表 ---------- */
.news-list {
  display: grid;
  gap: 20px;
}

.news-item {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 26px;
  padding: 20px;
  background: var(--c-card);
  border: 1px solid var(--c-line);
  border-radius: var(--r-md);
  transition: transform 0.3s var(--ease), border-color 0.3s var(--ease), background 0.3s var(--ease);
}

.news-item:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 224, 164, 0.32);
  background: var(--c-card-hover);
}

.news-item .thumb {
  aspect-ratio: 16 / 10;
  border-radius: var(--r-sm);
  overflow: hidden;
  background: var(--c-bg-3);
}

.news-item .thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s var(--ease);
}

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

.news-body .news-date {
  display: inline-block;
  margin-bottom: 10px;
  font-size: 12.5px;
  color: var(--c-accent);
  letter-spacing: 0.04em;
}

.news-body h3 {
  font-size: 19px;
  margin-bottom: 10px;
}

.news-body h3 a {
  color: var(--c-text);
}

.news-body h3 a:hover {
  color: var(--c-accent);
}

.news-body p {
  font-size: 14.5px;
  color: var(--c-text-2);
  margin-bottom: 14px;
}

/* ---------- 16. 文章正文 ---------- */
.article-layout {
  max-width: 860px;
  margin: 0 auto;
}

.article-header {
  padding-bottom: 26px;
  margin-bottom: 34px;
  border-bottom: 1px solid var(--c-line);
}

.article-header h2 {
  font-size: clamp(22px, 3vw, 30px);
  margin-bottom: 16px;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  font-size: 13.5px;
  color: var(--c-text-3);
}

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

.article-body h3 {
  font-size: 20px;
  margin: 34px 0 14px;
  padding-left: 13px;
  border-left: 3px solid var(--c-accent);
  line-height: 1.5;
}

.article-body p {
  font-size: 15.5px;
  color: #c4cede;
  margin-bottom: 18px;
  line-height: 1.92;
}

.article-body ul {
  display: grid;
  gap: 12px;
  margin: 0 0 22px;
}

.article-body ul li {
  position: relative;
  padding-left: 22px;
  font-size: 15px;
  color: var(--c-text-2);
  line-height: 1.85;
}

.article-body ul li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 12px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--c-accent);
  opacity: 0.75;
}

.article-figure {
  margin: 30px 0;
  border-radius: var(--r-md);
  overflow: hidden;
  border: 1px solid var(--c-line);
}

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

.article-figure figcaption {
  padding: 12px 16px;
  font-size: 13px;
  color: var(--c-text-3);
  background: var(--c-bg-2);
}

.quote-block {
  margin: 28px 0;
  padding: 20px 24px;
  font-size: 15.5px;
  color: var(--c-text);
  background: rgba(0, 224, 164, 0.06);
  border-left: 3px solid var(--c-accent);
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
}

.article-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 38px;
  padding-top: 26px;
  border-top: 1px solid var(--c-line);
}

.article-tags a {
  padding: 6px 15px;
  font-size: 13px;
  color: var(--c-text-2);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--c-line);
  border-radius: var(--r-full);
}

.article-tags a:hover {
  color: var(--c-accent);
  border-color: rgba(0, 224, 164, 0.35);
}

.article-nav {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  margin-top: 30px;
  padding-top: 26px;
  border-top: 1px solid var(--c-line);
  font-size: 14px;
}

/* ---------- 17. 时间线 ---------- */
.timeline {
  position: relative;
  max-width: 820px;
  margin: 0 auto;
  padding-left: 30px;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 6px;
  bottom: 6px;
  width: 2px;
  background: linear-gradient(180deg, rgba(0, 224, 164, 0.7), rgba(91, 140, 255, 0.15));
  border-radius: 2px;
}

.timeline-item {
  position: relative;
  padding: 0 0 34px 26px;
}

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

.timeline-item::before {
  content: "";
  position: absolute;
  left: -26px;
  top: 8px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--c-bg);
  border: 2px solid var(--c-accent);
  box-shadow: 0 0 0 4px rgba(0, 224, 164, 0.12);
}

.timeline-item time {
  display: block;
  margin-bottom: 6px;
  font-size: 13px;
  font-weight: 700;
  color: var(--c-accent);
  letter-spacing: 0.06em;
}

.timeline-item h3 {
  font-size: 17.5px;
  margin-bottom: 8px;
}

.timeline-item p {
  font-size: 14.5px;
  color: var(--c-text-2);
  margin: 0;
}

/* ---------- 18. 联系页 ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 0.92fr 1.08fr;
  gap: 40px;
  align-items: start;
}

.contact-info {
  display: grid;
  gap: 16px;
}

.info-row {
  display: flex;
  gap: 16px;
  padding: 20px 22px;
  background: var(--c-card);
  border: 1px solid var(--c-line);
  border-radius: var(--r-md);
  transition: border-color 0.3s var(--ease), transform 0.3s var(--ease);
}

.info-row:hover {
  border-color: rgba(0, 224, 164, 0.3);
  transform: translateY(-3px);
}

.info-row .ico {
  flex: 0 0 auto;
  width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  font-weight: 700;
  color: var(--c-accent);
  background: rgba(0, 224, 164, 0.1);
  border-radius: 11px;
}

.info-row h3 {
  font-size: 15.5px;
  margin-bottom: 4px;
}

.info-row p {
  font-size: 14px;
  color: var(--c-text-2);
  margin: 0;
  word-break: break-all;
}

.form-card {
  padding: 32px;
  background: var(--c-card);
  border: 1px solid var(--c-line);
  border-radius: var(--r-md);
}

.form-card h2 {
  font-size: 21px;
  margin-bottom: 8px;
}

.form-card .form-note {
  font-size: 13.5px;
  color: var(--c-text-3);
  margin-bottom: 24px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--c-text-2);
}

.form-group label .req {
  color: var(--c-warm);
}

.form-control {
  width: 100%;
  padding: 12px 15px;
  font-size: 14.5px;
  color: var(--c-text);
  background: rgba(255, 255, 255, 0.035);
  border: 1px solid var(--c-line-strong);
  border-radius: var(--r-sm);
  transition: border-color 0.26s var(--ease), background 0.26s var(--ease), box-shadow 0.26s var(--ease);
}

.form-control::placeholder {
  color: var(--c-text-3);
}

.form-control:focus {
  outline: none;
  border-color: rgba(0, 224, 164, 0.6);
  background: rgba(0, 224, 164, 0.05);
  box-shadow: 0 0 0 3px rgba(0, 224, 164, 0.12);
}

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

.form-tip {
  margin-top: 14px;
  font-size: 13px;
  color: var(--c-text-3);
}

.form-feedback {
  display: none;
  margin-top: 16px;
  padding: 13px 16px;
  font-size: 14px;
  color: var(--c-accent);
  background: rgba(0, 224, 164, 0.1);
  border: 1px solid rgba(0, 224, 164, 0.3);
  border-radius: var(--r-sm);
}

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

/* ---------- 19. 渐入动画 ---------- */
.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
  will-change: opacity, transform;
}

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

.reveal-delay-1 { transition-delay: 0.08s; }
.reveal-delay-2 { transition-delay: 0.16s; }
.reveal-delay-3 { transition-delay: 0.24s; }
.reveal-delay-4 { transition-delay: 0.32s; }

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

/* ---------- 20. 回到顶部 ---------- */
.back-top {
  position: fixed;
  right: 22px;
  bottom: 26px;
  z-index: 130;
  width: 46px;
  height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 17px;
  color: #04141c;
  background: var(--grad-main);
  border-radius: 50%;
  box-shadow: 0 14px 30px -14px rgba(0, 224, 164, 0.95);
  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 {
  color: #04141c;
  transform: translateY(-3px);
}

/* ---------- 21. 响应式 ---------- */
@media (max-width: 1024px) {
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .hero-figure {
    aspect-ratio: 16 / 10;
    order: -1;
  }

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

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

  .split {
    grid-template-columns: 1fr;
    gap: 34px;
  }

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

@media (max-width: 860px) {
  .section {
    padding: 62px 0;
  }

  .grid--3,
  .grid--2 {
    grid-template-columns: 1fr;
  }

  .news-item {
    grid-template-columns: 1fr;
    gap: 16px;
  }

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

  .nav-toggle {
    display: inline-flex;
  }

  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    padding: 12px 22px 20px;
    background: rgba(8, 11, 18, 0.98);
    border-bottom: 1px solid var(--c-line);
    backdrop-filter: blur(16px);
    display: none;
  }

  .site-nav.is-open {
    display: block;
  }

  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 6px;
  }

  .nav-list a {
    padding: 12px 16px;
    border-radius: var(--r-sm);
  }

  .cta-panel {
    padding: 42px 22px;
  }
}

@media (max-width: 560px) {
  body {
    font-size: 15.5px;
  }

  .container {
    padding: 0 16px;
  }

  .section {
    padding: 50px 0;
  }

  .hero {
    padding: 48px 0 56px;
  }

  .grid--4 {
    grid-template-columns: 1fr;
  }

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

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

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

  .btn {
    padding: 12px 22px;
    font-size: 14.5px;
  }

  .btn-row .btn {
    flex: 1 1 auto;
  }

  .back-top {
    right: 14px;
    bottom: 16px;
    width: 42px;
    height: 42px;
  }

  .article-nav {
    flex-direction: column;
    gap: 10px;
  }
}


/* ============================================================
   19. 资讯详情页与表单补充样式
   ============================================================ */

.page-hero--article .container {
  max-width: 980px;
}

.page-hero--article h1 {
  font-size: clamp(25px, 3.2vw, 38px);
  line-height: 1.4;
  max-width: 20em;
}

.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 318px;
  gap: 46px;
  align-items: start;
}

.article-body {
  min-width: 0;
}

.article-body > h2 {
  position: relative;
  margin: 44px 0 16px;
  padding-left: 16px;
  font-size: clamp(19px, 2.1vw, 24px);
  scroll-margin-top: calc(var(--header-h) + 24px);
}

.article-body > h2:first-of-type {
  margin-top: 10px;
}

.article-body > h2::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 19px;
  border-radius: 2px;
  background: var(--grad-main);
}

.article-body > p {
  margin: 0 0 18px;
  color: var(--c-text-2);
  line-height: 1.9;
}

.article-body > p:first-of-type {
  color: var(--c-text);
}

.article-body > ul {
  margin: 0 0 22px;
  padding: 0;
  list-style: none;
}

.article-body > ul > li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 11px;
  color: var(--c-text-2);
  line-height: 1.85;
}

.article-body > ul > li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--c-accent);
  opacity: 0.85;
}

.article-body strong {
  color: var(--c-text);
  font-weight: 700;
}

.article-body > p > a,
.article-body > ul a {
  color: var(--c-accent);
  text-decoration: none;
  border-bottom: 1px dashed rgba(0, 224, 164, 0.45);
  transition: border-color 0.25s var(--ease), color 0.25s var(--ease);
}

.article-body > p > a:hover,
.article-body > ul a:hover {
  border-bottom-style: solid;
}

.article-body .article-figure {
  margin: 6px 0 34px;
}

.article-body figcaption {
  margin-top: 10px;
  font-size: 13px;
  color: var(--c-text-3);
  text-align: center;
}

.article-aside {
  display: grid;
  gap: 18px;
  position: sticky;
  top: calc(var(--header-h) + 22px);
}

.aside-card {
  padding: 22px 22px 18px;
  border: 1px solid var(--c-line);
  border-radius: var(--r-md);
  background-color: var(--c-card);
  background-image: var(--grad-soft);
  box-shadow: var(--shadow-1);
}

.aside-card h2 {
  margin: 0 0 14px;
  padding-bottom: 12px;
  font-size: 15px;
  letter-spacing: 0.02em;
  border-bottom: 1px solid var(--c-line);
  color: var(--c-text);
}

.dot-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.dot-list li {
  position: relative;
  padding-left: 15px;
  margin-bottom: 11px;
  font-size: 14px;
  line-height: 1.72;
  color: var(--c-text-2);
}

.dot-list li:last-child {
  margin-bottom: 0;
}

.dot-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--c-accent-2);
}

.dot-list a {
  color: var(--c-text-2);
  text-decoration: none;
  transition: color 0.22s var(--ease);
}

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

/* ---------- 表单控件补充 ---------- */

.form-control::placeholder {
  color: var(--c-text-3);
}

textarea.form-control {
  min-height: 138px;
  resize: vertical;
  line-height: 1.72;
}

select.form-control {
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  padding-right: 40px;
  cursor: pointer;
  background-image:
    linear-gradient(45deg, transparent 50%, #9aa8bf 50%),
    linear-gradient(135deg, #9aa8bf 50%, transparent 50%);
  background-position:
    calc(100% - 19px) calc(50% + 2px),
    calc(100% - 14px) calc(50% + 2px);
  background-size: 5px 5px, 5px 5px;
  background-repeat: no-repeat;
}

select.form-control option {
  background-color: var(--c-card);
  color: var(--c-text);
}

.form-control:focus-visible {
  outline: 2px solid rgba(0, 224, 164, 0.55);
  outline-offset: 2px;
}

.form-feedback:empty {
  display: none;
}

/* ---------- 响应式补充 ---------- */

@media (max-width: 1024px) {
  .article-layout {
    grid-template-columns: minmax(0, 1fr);
    gap: 34px;
  }
  .article-aside {
    position: static;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .page-hero--article h1 {
    font-size: 22px;
    max-width: none;
  }
  .article-aside {
    grid-template-columns: minmax(0, 1fr);
  }
  .article-body > h2 {
    margin-top: 34px;
  }
  .form-row {
    grid-template-columns: minmax(0, 1fr);
    gap: 0;
  }
}