/* ============================================================
   湖南新影无限文化科技有限公司 · 官网样式
   主色：深海军蓝（国有稳重） / 点缀：朱砂红（文化活力）
   ============================================================ */

:root {
  --navy-900: #0d1b2e;
  --navy-800: #14263f;
  --navy-700: #1d3557;
  --navy-600: #27496d;
  --red: #e63946;
  --red-deep: #c1121f;
  --gold: #f4a261;
  --ink: #1a2433;
  --ink-soft: #4a5568;
  --paper: #f7f9fc;
  --line: #e3e9f2;
  --white: #ffffff;

  --radius: 16px;
  --radius-lg: 22px;
  --shadow-sm: 0 2px 10px rgba(13, 27, 46, .06);
  --shadow-md: 0 10px 30px rgba(13, 27, 46, .10);
  --shadow-lg: 0 24px 60px rgba(13, 27, 46, .16);

  --font-sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  --font-serif: "Noto Serif SC", "Songti SC", "SimSun", serif;

  --ease-out: cubic-bezier(.16, 1, .3, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 84px;
}

body {
  font-family: var(--font-sans);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

.container {
  width: min(1200px, 92%);
  margin-inline: auto;
}

/* ============ 顶部导航 ============ */
.navbar {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 1000;
  background: rgba(13, 27, 46, 0);
  transition: background .35s ease, box-shadow .35s ease, backdrop-filter .35s ease;
}

.navbar.scrolled {
  background: rgba(13, 27, 46, .88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 4px 24px rgba(0, 0, 0, .18);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--white);
}

.brand-mark { display: grid; place-items: center; }

.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand-text strong {
  font-family: var(--font-serif);
  font-size: 19px;
  font-weight: 700;
  letter-spacing: 2px;
}
.brand-text em {
  font-style: normal;
  font-size: 9.5px;
  letter-spacing: 1.6px;
  opacity: .62;
  margin-top: 3px;
}

.nav-links {
  display: flex;
  gap: 6px;
}

.nav-links a {
  position: relative;
  color: rgba(255, 255, 255, .82);
  text-decoration: none;
  font-size: 15px;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: 10px;
  transition: color .25s, background .25s;
}

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

.nav-links a:hover { color: #fff; }
.nav-links a:hover::after,
.nav-links a.active::after { width: 22px; }
.nav-links a.active { color: #fff; }

/* 移动端菜单按钮 */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: 0;
  cursor: pointer;
  padding: 8px;
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: transform .3s, opacity .3s;
}

.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* 滚动进度条 */
.nav-progress {
  height: 2px;
  width: 0;
  background: linear-gradient(90deg, var(--red), var(--gold));
  transition: width .1s linear;
}

/* ============ Hero 首屏 ============ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  color: var(--white);
  overflow: hidden;
}

.hero-bg { position: absolute; inset: 0; }
.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.06);
  animation: heroZoom 18s var(--ease-out) forwards;
}

@keyframes heroZoom {
  from { transform: scale(1.14); }
  to { transform: scale(1.02); }
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 90% 65% at 70% 30%, rgba(27, 58, 100, .35), transparent 60%),
    linear-gradient(115deg, rgba(9, 18, 33, .95) 0%, rgba(13, 27, 46, .78) 45%, rgba(20, 38, 63, .5) 100%);
}

.hero-content {
  position: relative;
  z-index: 2;
  padding: 140px 0 90px;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 18px;
  border-radius: 100px;
  font-size: 13.5px;
  letter-spacing: 1px;
  background: rgba(255, 255, 255, .08);
  border: 1px solid rgba(255, 255, 255, .18);
  backdrop-filter: blur(8px);
  margin-bottom: 28px;
}

.hero-tag .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--red);
  box-shadow: 0 0 0 4px rgba(230, 57, 70, .25);
  animation: pulse 2.2s infinite;
}

@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 4px rgba(230, 57, 70, .25); }
  50% { box-shadow: 0 0 0 8px rgba(230, 57, 70, .08); }
}

.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(40px, 6.2vw, 76px);
  font-weight: 900;
  line-height: 1.18;
  letter-spacing: 4px;
  margin-bottom: 26px;
  text-shadow: 0 4px 30px rgba(0, 0, 0, .35);
}

.grad-text {
  background: linear-gradient(100deg, #ffd166 0%, #ef6461 45%, #e63946 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-sub {
  max-width: 640px;
  font-size: clamp(15px, 1.6vw, 18px);
  font-weight: 300;
  color: rgba(255, 255, 255, .88);
  margin-bottom: 40px;
}

.hero-sub b {
  color: #ffd166;
  font-weight: 600;
  margin: 0 2px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 64px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 13px 34px;
  border-radius: 100px;
  font-size: 15.5px;
  font-weight: 600;
  letter-spacing: 2px;
  text-decoration: none;
  transition: transform .25s var(--ease-out), box-shadow .25s, background .25s, color .25s;
}

.btn-primary {
  background: linear-gradient(120deg, var(--red), var(--red-deep));
  color: #fff;
  box-shadow: 0 10px 26px rgba(230, 57, 70, .38);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 34px rgba(230, 57, 70, .5);
}

.btn-ghost {
  border: 1px solid rgba(255, 255, 255, .45);
  color: #fff;
  background: rgba(255, 255, 255, .04);
  backdrop-filter: blur(6px);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, .14);
  transform: translateY(-3px);
}

/* 数据统计 */
.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  max-width: 820px;
  padding: 26px 30px;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, .06);
  border: 1px solid rgba(255, 255, 255, .14);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.stat { text-align: center; }

.stat-num {
  font-size: clamp(26px, 3vw, 38px);
  font-weight: 800;
  line-height: 1.1;
  color: #fff;
  font-variant-numeric: tabular-nums;
}

.stat-num i {
  font-style: normal;
  font-size: 15px;
  font-weight: 500;
  margin-left: 3px;
  color: #ffd166;
}

.stat-label {
  margin-top: 6px;
  font-size: 13px;
  color: rgba(255, 255, 255, .68);
  letter-spacing: 1px;
}

/* 向下滚动提示 */
.scroll-hint {
  position: absolute;
  left: 50%;
  bottom: 26px;
  transform: translateX(-50%);
  z-index: 2;
  color: rgba(255, 255, 255, .7);
  animation: bob 2s infinite;
}

@keyframes bob {
  0%, 100% { transform: translate(-50%, 0); }
  50% { transform: translate(-50%, 10px); }
}

/* ============ 通用 Section ============ */
.section { padding: 104px 0; }

.section-head {
  text-align: center;
  margin-bottom: 58px;
}

.kicker {
  display: inline-block;
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 5px;
  color: var(--red);
  padding: 6px 18px;
  border: 1px solid rgba(230, 57, 70, .35);
  border-radius: 100px;
  margin-bottom: 18px;
  background: rgba(230, 57, 70, .05);
}

.section-head h2 {
  font-family: var(--font-serif);
  font-size: clamp(30px, 4vw, 42px);
  font-weight: 900;
  letter-spacing: 6px;
  color: var(--navy-800);
}

.section-head h2::after {
  content: "";
  display: block;
  width: 52px;
  height: 4px;
  margin: 16px auto 0;
  border-radius: 4px;
  background: linear-gradient(90deg, var(--red), var(--gold));
}

.section-desc {
  margin-top: 16px;
  color: var(--ink-soft);
  font-size: 16px;
}

/* ============ 公司简介 ============ */
.about { background: var(--white); }

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 60px;
  align-items: center;
}

.about-media {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.about-media img {
  width: 100%;
  height: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  transition: transform .8s var(--ease-out);
}

.about-media:hover img { transform: scale(1.05); }

.about-media::before {
  content: "";
  position: absolute;
  inset: 0;
  border: 1px solid rgba(255, 255, 255, .3);
  border-radius: var(--radius-lg);
  transform: translate(14px, 14px);
  z-index: -1;
  transition: transform .5s var(--ease-out);
}

.about-media:hover::before { transform: translate(8px, 8px); }

.media-badge {
  position: absolute;
  left: 18px;
  bottom: 18px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 18px;
  border-radius: 100px;
  font-size: 13.5px;
  font-weight: 500;
  color: #fff;
  background: rgba(13, 27, 46, .72);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, .2);
}

.about-body p {
  color: var(--ink-soft);
  font-size: 16px;
  margin-bottom: 20px;
  text-align: justify;
}

.about-body b { color: var(--navy-700); font-weight: 700; }

.about-facts {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 28px;
}

.fact {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 16px 20px;
  border-radius: 14px;
  background: var(--paper);
  border: 1px solid var(--line);
  transition: transform .3s var(--ease-out), box-shadow .3s, border-color .3s;
}

.fact:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(230, 57, 70, .3);
}

.fact span { font-size: 12.5px; color: var(--ink-soft); letter-spacing: 1px; }
.fact strong { font-size: 16px; color: var(--navy-800); }

/* ============ 主营业务 ============ */
.business {
  background:
    radial-gradient(ellipse 60% 40% at 90% 0%, rgba(39, 73, 109, .07), transparent 60%),
    linear-gradient(180deg, #f2f5fa 0%, var(--paper) 100%);
}

.biz-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
}

.biz-card {
  display: flex;
  flex-direction: column;
  border-radius: var(--radius-lg);
  background: var(--white);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--line);
  transition: transform .45s var(--ease-out), box-shadow .45s;
}

.biz-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-lg);
}

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

.biz-media img {
  width: 100%;
  aspect-ratio: 16 / 8.4;
  object-fit: cover;
  transition: transform .8s var(--ease-out);
}

.biz-card:hover .biz-media img { transform: scale(1.07); }

.biz-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(13, 27, 46, .45));
}

.biz-index {
  position: absolute;
  top: 16px;
  right: 20px;
  font-family: var(--font-serif);
  font-size: 44px;
  font-weight: 900;
  color: rgba(255, 255, 255, .85);
  text-shadow: 0 4px 18px rgba(0, 0, 0, .4);
  line-height: 1;
}

.biz-body {
  padding: 28px 30px 30px;
}

.biz-body h3 {
  font-family: var(--font-serif);
  font-size: 23px;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--navy-800);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.biz-body h3::before {
  content: "";
  width: 5px;
  height: 22px;
  border-radius: 4px;
  background: linear-gradient(180deg, var(--red), var(--gold));
}

.biz-body p {
  color: var(--ink-soft);
  font-size: 14.8px;
  text-align: justify;
}

.biz-body b { color: var(--navy-700); font-weight: 700; }

.biz-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin-top: 18px;
}

.biz-tags li {
  padding: 5px 14px;
  border-radius: 100px;
  font-size: 12.5px;
  font-weight: 500;
  letter-spacing: 1px;
  color: var(--navy-600);
  background: rgba(39, 73, 109, .08);
  border: 1px solid rgba(39, 73, 109, .14);
  transition: background .25s, color .25s;
}

.biz-card:hover .biz-tags li {
  background: rgba(230, 57, 70, .07);
  color: var(--red-deep);
  border-color: rgba(230, 57, 70, .22);
}

/* ============ 发展历程 ============ */
.history {
  background:
    radial-gradient(ellipse 50% 35% at 8% 12%, rgba(230, 57, 70, .05), transparent 55%),
    linear-gradient(180deg, var(--navy-900) 0%, var(--navy-800) 100%);
  color: var(--white);
}

.history .section-head h2 { color: #fff; }
.history .section-desc { color: rgba(255, 255, 255, .65); }
.history .kicker {
  color: #ff8a94;
  border-color: rgba(255, 138, 148, .4);
  background: rgba(230, 57, 70, .12);
}

.timeline {
  position: relative;
  max-width: 760px;
  margin: 0 auto;
  padding-left: 34px;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(180deg, var(--red), rgba(255, 255, 255, .15));
}

.tl-item { position: relative; padding: 0 0 40px 26px; }
.tl-item:last-child { padding-bottom: 0; }

.tl-dot {
  position: absolute;
  left: -34px;
  top: 6px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--red);
  border: 3px solid var(--navy-800);
  box-shadow: 0 0 0 4px rgba(230, 57, 70, .25);
}

.tl-card {
  padding: 26px 30px;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, .05);
  border: 1px solid rgba(255, 255, 255, .12);
  backdrop-filter: blur(8px);
  transition: transform .4s var(--ease-out), background .4s, border-color .4s;
}

.tl-card:hover {
  transform: translateX(8px);
  background: rgba(255, 255, 255, .09);
  border-color: rgba(230, 57, 70, .5);
}

.tl-card time {
  display: inline-block;
  font-family: var(--font-serif);
  font-size: 15px;
  font-weight: 700;
  color: #ffd166;
  letter-spacing: 2px;
  margin-bottom: 8px;
}

.tl-card h3 {
  font-size: 19px;
  font-weight: 700;
  letter-spacing: 1.5px;
  margin-bottom: 10px;
}

.tl-card p {
  font-size: 14.5px;
  font-weight: 300;
  color: rgba(255, 255, 255, .78);
}

.tl-card b { color: #ffd166; font-weight: 600; }

/* ============ 发展规划 ============ */
.plan { background: var(--white); }

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

.plan-card {
  padding: 34px 26px 30px;
  border-radius: var(--radius-lg);
  background: linear-gradient(165deg, var(--paper) 0%, #fff 100%);
  border: 1px solid var(--line);
  text-align: center;
  transition: transform .4s var(--ease-out), box-shadow .4s, border-color .4s;
  position: relative;
  overflow: hidden;
}

.plan-card::before {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 4px;
  background: linear-gradient(90deg, var(--red), var(--gold));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .45s var(--ease-out);
}

.plan-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-md);
  border-color: rgba(29, 53, 87, .18);
}

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

.plan-icon {
  width: 62px;
  height: 62px;
  margin: 0 auto 20px;
  display: grid;
  place-items: center;
  border-radius: 18px;
  color: var(--white);
  background: linear-gradient(135deg, var(--navy-700), var(--navy-600));
  box-shadow: 0 10px 22px rgba(29, 53, 87, .28);
  transition: transform .4s var(--ease-out);
}

.plan-card:hover .plan-icon {
  transform: rotate(-6deg) scale(1.08);
  background: linear-gradient(135deg, var(--red), var(--red-deep));
  box-shadow: 0 12px 26px rgba(230, 57, 70, .35);
}

.plan-card h3 {
  font-family: var(--font-serif);
  font-size: 19px;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--navy-800);
  margin-bottom: 12px;
}

.plan-card p {
  font-size: 14px;
  color: var(--ink-soft);
  text-align: justify;
}

.plan-card b { color: var(--navy-700); font-weight: 700; }

/* ============ 联系我们 ============ */
.contact {
  background:
    radial-gradient(ellipse 55% 45% at 50% 100%, rgba(39, 73, 109, .09), transparent 65%),
    linear-gradient(180deg, var(--paper), #eef2f8);
}

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

.contact-item {
  display: flex;
  gap: 18px;
  padding: 30px 28px;
  border-radius: var(--radius-lg);
  background: var(--white);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-sm);
  transition: transform .4s var(--ease-out), box-shadow .4s;
}

.contact-item:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
}

.c-icon {
  flex: none;
  width: 50px;
  height: 50px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  color: var(--red);
  background: rgba(230, 57, 70, .08);
  border: 1px solid rgba(230, 57, 70, .18);
}

.contact-item span {
  display: block;
  font-size: 13px;
  color: var(--ink-soft);
  letter-spacing: 2px;
  margin-bottom: 6px;
}

.contact-item p {
  font-size: 14.8px;
  font-weight: 500;
  color: var(--navy-800);
  line-height: 1.7;
}

/* ============ 页脚 ============ */
.footer {
  background: var(--navy-900);
  color: rgba(255, 255, 255, .75);
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.4fr;
  gap: 44px;
  padding: 66px 0 50px;
}

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

.footer-brand .brand-text strong { font-size: 17px; letter-spacing: 1px; }

.footer-slogan {
  font-family: var(--font-serif);
  font-size: 15px;
  letter-spacing: 3px;
  color: #ffd166;
}

.footer-col h4 {
  color: #fff;
  font-size: 15.5px;
  font-weight: 700;
  letter-spacing: 3px;
  margin-bottom: 18px;
  position: relative;
  padding-bottom: 12px;
}

.footer-col h4::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 26px;
  height: 3px;
  border-radius: 3px;
  background: var(--red);
}

.footer-col a {
  display: block;
  color: rgba(255, 255, 255, .62);
  text-decoration: none;
  font-size: 14px;
  padding: 5px 0;
  transition: color .25s, transform .25s;
}

.footer-col a:hover {
  color: #ffd166;
  transform: translateX(4px);
}

.footer-col p {
  font-size: 13.5px;
  line-height: 1.9;
  color: rgba(255, 255, 255, .58);
  margin-bottom: 8px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .08);
  padding: 20px 0;
  text-align: center;
  font-size: 13px;
  color: rgba(255, 255, 255, .42);
  letter-spacing: 1px;
}

/* ============ 返回顶部 ============ */
.back-top {
  position: fixed;
  right: 28px;
  bottom: 30px;
  z-index: 900;
  width: 46px;
  height: 46px;
  border: 0;
  border-radius: 14px;
  display: grid;
  place-items: center;
  color: #fff;
  background: linear-gradient(135deg, var(--navy-700), var(--navy-600));
  box-shadow: 0 10px 24px rgba(13, 27, 46, .3);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(14px);
  transition: opacity .35s, transform .35s, visibility .35s, background .35s;
}

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

.back-top:hover { background: linear-gradient(135deg, var(--red), var(--red-deep)); }

/* ============ 入场动画 ============ */
.reveal {
  opacity: 0;
  transform: translateY(34px);
  transition: opacity .8s var(--ease-out), transform .8s var(--ease-out);
  transition-delay: calc(var(--d, 0) * 90ms);
}

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

/* ============ 响应式 ============ */
@media (max-width: 1024px) {
  .plan-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .about-grid { gap: 40px; }
}

@media (max-width: 860px) {
  .nav-toggle { display: flex; }

  .nav-links {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    background: rgba(13, 27, 46, .97);
    backdrop-filter: blur(18px);
    padding: 10px 6% 22px;
    border-bottom: 1px solid rgba(255, 255, 255, .08);
    transform: translateY(-12px);
    opacity: 0;
    visibility: hidden;
    transition: transform .35s var(--ease-out), opacity .35s, visibility .35s;
  }

  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav-links a { padding: 13px 8px; font-size: 16px; }
  .nav-links a::after { display: none; }

  .about-grid { grid-template-columns: 1fr; }
  .biz-grid { grid-template-columns: 1fr; }
  .contact-card { grid-template-columns: 1fr; }
  .hero-stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    padding: 22px;
  }
  .section { padding: 76px 0; }
  .timeline { padding-left: 26px; }
  .timeline::before { left: 5px; }
  .tl-dot { left: -26px; width: 13px; height: 13px; }
}

@media (max-width: 560px) {
  .plan-grid { grid-template-columns: 1fr; }
  .about-facts { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; gap: 32px; }
  .hero-actions .btn { width: 100%; }
  .hero-title { letter-spacing: 2px; }
}

/* 减少动效偏好 */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
  }
  .reveal { opacity: 1; transform: none; }
  html { scroll-behavior: auto; }
}