/* ============================================================
   HCW 超级终端 · 官网样式
   仿 meeting.tencent.com 布局：固定导航 / 深色 Hero + 产品截图 /
   数据条 / 功能卡片 / 使用指南 / 下载中心 / 页脚
   品牌：皓月升辉（午夜蓝深空 + 白月环）+ 鸿蒙蓝 #0A59F7
   ============================================================ */

:root {
  --c-blue: #0A59F7;
  --c-blue-dark: #0847C4;
  --c-blue-soft: #E8F0FF;
  --c-cyan: #00E5FF;
  --c-navy-0: #050818;
  --c-navy-1: #0A1230;
  --c-navy-2: #0E1B45;
  --c-text: #1A1D29;
  --c-text-2: #5A6072;
  --c-text-3: #8A90A2;
  --c-bg: #FFFFFF;
  --c-bg-soft: #F6F8FD;
  --c-line: #E6EAF4;
  --radius: 16px;
  --radius-lg: 22px;
  --shadow-card: 0 10px 30px rgba(23, 43, 99, 0.08);
  --shadow-card-hover: 0 18px 44px rgba(23, 43, 99, 0.14);
  --header-h: 68px;
  --font: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei",
          "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 16px);
}

body {
  font-family: var(--font);
  color: var(--c-text);
  background: var(--c-bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

.container {
  width: min(1160px, 92%);
  margin: 0 auto;
}

/* ---------------- 按钮 ---------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font);
  font-size: 15px;
  font-weight: 600;
  line-height: 1;
  padding: 12px 22px;
  border-radius: 999px;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease, border-color .18s ease, color .18s ease;
  white-space: nowrap;
  user-select: none;
}
.btn .ico { width: 18px; height: 18px; flex: none; }

.btn-primary {
  background: var(--c-blue);
  color: #fff;
  box-shadow: 0 8px 20px rgba(10, 89, 247, 0.32);
}
.btn-primary:hover {
  background: var(--c-blue-dark);
  transform: translateY(-2px);
  box-shadow: 0 12px 26px rgba(10, 89, 247, 0.4);
}
.btn-primary:active { transform: translateY(0); }

.btn-ghost-light {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.45);
  backdrop-filter: blur(4px);
}
.btn-ghost-light:hover {
  background: rgba(255, 255, 255, 0.16);
  border-color: #fff;
  transform: translateY(-2px);
}

.btn-disabled {
  background: var(--c-blue-soft);
  color: var(--c-blue);
  cursor: default;
  opacity: .95;
}
.btn-disabled:hover { transform: none; box-shadow: none; }

.btn-sm { padding: 9px 18px; font-size: 14px; }
.btn-lg { padding: 15px 28px; font-size: 16px; }
.btn-block { width: 100%; }

/* ============================================================
   顶部导航
   ============================================================ */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  height: var(--header-h);
  z-index: 100;
  display: flex;
  align-items: center;
  background: linear-gradient(180deg, rgba(5, 8, 24, 0.55), rgba(5, 8, 24, 0));
  color: #fff;
  transition: background .25s ease, box-shadow .25s ease, backdrop-filter .25s ease;
}
.site-header.scrolled {
  background: rgba(6, 10, 28, 0.86);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.28);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.header-inner { display: flex; align-items: center; gap: 28px; }

.brand { display: flex; align-items: center; gap: 10px; }
.brand-logo { width: 38px; height: 38px; color: #fff; }
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-name {
  font-size: 19px;
  font-weight: 700;
  letter-spacing: 3px;
  color: #fff;
}
.brand-sub { font-size: 11px; color: rgba(255, 255, 255, 0.72); letter-spacing: 2px; }

.main-nav { display: flex; gap: 30px; margin-left: 10px; }
.main-nav a {
  position: relative;
  font-size: 15px;
  color: rgba(255, 255, 255, 0.88);
  padding: 6px 0;
  transition: color .18s ease;
}
.main-nav a::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 2px;
  border-radius: 2px;
  background: var(--c-cyan);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .22s ease;
}
.main-nav a:hover { color: #fff; }
.main-nav a:hover::after { transform: scaleX(1); }

.header-actions { margin-left: auto; display: flex; align-items: center; gap: 14px; }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 42px; height: 42px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 10px;
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  width: 20px; height: 2px;
  margin: 0 auto;
  border-radius: 2px;
  background: #fff;
  transition: transform .25s ease, opacity .25s ease;
}
.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); }

/* ============================================================
   Hero
   ============================================================ */
.hero {
  position: relative;
  background:
    radial-gradient(1100px 520px at 78% 18%, rgba(0, 229, 255, 0.10), transparent 60%),
    radial-gradient(900px 560px at 12% 85%, rgba(10, 89, 247, 0.22), transparent 62%),
    linear-gradient(155deg, var(--c-navy-1) 0%, var(--c-navy-2) 46%, var(--c-navy-0) 100%);
  color: #fff;
  padding: calc(var(--header-h) + 64px) 0 0;
  overflow: hidden;
}

.hero-stars { position: absolute; inset: 0; pointer-events: none; }
.hero-stars span {
  position: absolute;
  border-radius: 50%;
  background: #fff;
  animation: twinkle 3.2s ease-in-out infinite;
}
@keyframes twinkle {
  0%, 100% { opacity: .15; transform: scale(.85); }
  50% { opacity: .85; transform: scale(1.1); }
}

.hero-glow {
  position: absolute;
  right: -160px; top: 6%;
  width: 560px; height: 560px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 229, 255, 0.16), rgba(10, 89, 247, 0.10) 45%, transparent 70%);
  filter: blur(6px);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  display: grid;
  grid-template-columns: 1.02fr 0.98fr;
  align-items: center;
  gap: 48px;
  padding-bottom: 110px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.85);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 999px;
  padding: 7px 16px;
  margin-bottom: 22px;
}
.hero-badge .dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--c-cyan);
  box-shadow: 0 0 10px var(--c-cyan);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: .45; } }

.hero-title {
  font-size: clamp(34px, 4.4vw, 54px);
  line-height: 1.18;
  font-weight: 700;
  letter-spacing: 1px;
}
.hero-title-accent {
  display: block;
  margin-top: 6px;
  font-size: clamp(22px, 2.6vw, 32px);
  font-weight: 600;
  background: linear-gradient(92deg, #7FB4FF, var(--c-cyan));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-desc {
  margin-top: 20px;
  font-size: 16.5px;
  color: rgba(255, 255, 255, 0.82);
  max-width: 540px;
}
.hero-desc strong { color: #fff; font-weight: 600; }

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  margin-top: 26px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.66);
}
.hero-meta li { position: relative; padding-left: 16px; }
.hero-meta li::before {
  content: "";
  position: absolute;
  left: 0; top: 50%;
  width: 7px; height: 7px;
  transform: translateY(-50%) rotate(45deg);
  background: var(--c-cyan);
  border-radius: 2px;
  opacity: .8;
}

/* ---- 产品图（Windows 主控端真实界面截图） ---- */
.hero-visual { position: relative; display: flex; justify-content: center; }
.hero-visual::before {
  content: "";
  position: absolute;
  inset: 6% -6% 12%;
  background: radial-gradient(closest-side, rgba(10, 89, 247, 0.34), rgba(0, 229, 255, 0.08) 55%, transparent 75%);
  filter: blur(18px);
  z-index: 0;
}
@keyframes floaty {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.shot-stage {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 560px;
  animation: floaty 6s ease-in-out infinite;
}
.shot-main {
  width: 100%;
  display: block;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.20);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(255, 255, 255, 0.04);
}
.shot-caption {
  display: inline-block;
  margin-top: 16px;
  padding: 7px 16px;
  border-radius: 999px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.85);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.16);
}
.shot-float {
  position: absolute;
  z-index: 2;
  bottom: 54px;
  left: -34px;
  width: 128px;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.24);
  box-shadow: 0 22px 46px rgba(0, 0, 0, 0.5);
  transform: rotate(-4deg);
  animation: floaty 7s ease-in-out 1.4s infinite;
}

.hero-wave { position: relative; margin-top: -1px; line-height: 0; }
.hero-wave svg { display: block; width: 100%; height: 70px; }

/* ============================================================
   数据条
   ============================================================ */
.stats { background: var(--c-bg); padding: 46px 0; }
.stats-inner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}
.stat b {
  display: block;
  font-size: 44px;
  font-weight: 700;
  line-height: 1.1;
  background: linear-gradient(120deg, var(--c-blue), #3E8BFF);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.stat span { display: block; margin-top: 8px; font-size: 14px; color: var(--c-text-2); line-height: 1.6; }

/* ============================================================
   通用 section
   ============================================================ */
.section { padding: 92px 0; }
.section--soft { background: var(--c-bg-soft); }

.section-head { text-align: center; max-width: 640px; margin: 0 auto 52px; }
.section-eyebrow {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 3px;
  color: var(--c-blue);
  margin-bottom: 12px;
}
.section-title { font-size: clamp(26px, 3vw, 36px); font-weight: 700; letter-spacing: .5px; }
.section-desc { margin-top: 14px; font-size: 16px; color: var(--c-text-2); }

/* ============================================================
   产品功能
   ============================================================ */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.feature-card {
  background: var(--c-bg);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  padding: 30px 26px;
  box-shadow: var(--shadow-card);
  transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
}
.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card-hover);
  border-color: rgba(10, 89, 247, 0.35);
}
.f-icon {
  width: 52px; height: 52px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(140deg, var(--c-blue-soft), #F0F5FF);
  color: var(--c-blue);
  margin-bottom: 18px;
}
.f-icon svg { width: 26px; height: 26px; }
.feature-card h3 { font-size: 18px; font-weight: 700; margin-bottom: 10px; }
.feature-card p { font-size: 14.5px; color: var(--c-text-2); line-height: 1.75; }

/* ============================================================
   使用指南
   ============================================================ */
.how-grid {
  display: flex;
  align-items: stretch;
  justify-content: center;
  gap: 8px;
}
.how-step {
  flex: 1;
  max-width: 320px;
  background: var(--c-bg);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  padding: 30px 26px;
  position: relative;
  box-shadow: var(--shadow-card);
}
.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 44px; height: 44px;
  padding: 0 10px;
  border-radius: 12px;
  background: linear-gradient(140deg, var(--c-blue), #3E8BFF);
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 1px;
  margin-bottom: 18px;
  box-shadow: 0 8px 18px rgba(10, 89, 247, 0.3);
}
.how-step h3 { font-size: 17px; font-weight: 700; margin-bottom: 10px; }
.how-step p { font-size: 14.5px; color: var(--c-text-2); line-height: 1.75; }
.how-arrow {
  align-self: center;
  flex: none;
  width: 40px;
  color: var(--c-blue);
  opacity: .85;
}
.how-arrow svg { width: 100%; height: auto; display: block; }

/* ============================================================
   下载中心
   ============================================================ */
.dl-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: stretch;
}
.dl-card {
  background: var(--c-bg);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-lg);
  padding: 34px 28px;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-card);
  transition: transform .22s ease, box-shadow .22s ease;
}
.dl-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-card-hover); }
.dl-card.dl-harmony {
  border-color: rgba(10, 89, 247, 0.4);
  background: linear-gradient(180deg, #FDFEFF, var(--c-bg-soft));
}

.dl-platform {
  width: 64px; height: 64px;
  border-radius: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}
.dl-platform svg { width: 34px; height: 34px; color: #fff; }
.dl-win { background: linear-gradient(140deg, #2D8CFF, #0A59F7); box-shadow: 0 10px 22px rgba(10, 89, 247, 0.35); }
.dl-android { background: linear-gradient(140deg, #3DDC84, #1FA45C); box-shadow: 0 10px 22px rgba(31, 164, 92, 0.35); }
.dl-hos { background: linear-gradient(140deg, #FF8A4C, #F7622E); box-shadow: 0 10px 22px rgba(247, 98, 46, 0.35); }

.dl-card h3 { font-size: 21px; font-weight: 700; }
.dl-role { font-size: 13.5px; color: var(--c-text-3); margin: 4px 0 16px; }

.dl-info { display: flex; flex-direction: column; gap: 9px; margin-bottom: 24px; }
.dl-info li {
  position: relative;
  padding-left: 22px;
  font-size: 14px;
  color: var(--c-text-2);
  line-height: 1.6;
}
.dl-info li::before {
  content: "";
  position: absolute;
  left: 2px; top: 8px;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--c-blue);
  opacity: .75;
}
.dl-harmony .dl-info li::before { background: #F7622E; }

.dl-card .btn { margin-top: auto; }

.dl-tip {
  margin-top: 14px;
  text-align: center;
  font-size: 12.5px;
  color: var(--c-text-3);
}

.dl-qr-wrap {
  text-align: center;
  margin: 4px 0 18px;
}
.dl-qr {
  width: 190px; height: 190px;
  margin: 0 auto;
  border-radius: 14px;
  box-shadow: 0 10px 26px rgba(10, 89, 247, 0.18);
}
.dl-qr-hint { font-size: 13px; color: var(--c-text-2); margin-top: 12px; }

/* ============================================================
   安全与隐私
   ============================================================ */
.sec-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.sec-card {
  background: var(--c-bg);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  padding: 30px 26px;
  box-shadow: var(--shadow-card);
  transition: transform .22s ease, box-shadow .22s ease;
}
.sec-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-card-hover); }
.sec-card h3 { font-size: 18px; font-weight: 700; margin-bottom: 10px; }
.sec-card p { font-size: 14.5px; color: var(--c-text-2); line-height: 1.75; }

.about-note {
  margin-top: 40px;
  text-align: center;
  font-size: 14px;
  color: var(--c-text-2);
  background: var(--c-bg-soft);
  border: 1px dashed var(--c-line);
  border-radius: var(--radius);
  padding: 22px 28px;
}

/* ============================================================
   页脚
   ============================================================ */
.site-footer {
  background: linear-gradient(165deg, var(--c-navy-1), var(--c-navy-0));
  color: rgba(255, 255, 255, 0.75);
  padding-top: 64px;
}
.footer-inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 48px;
}
.footer-logo { width: 52px; height: 52px; color: #fff; }
.footer-name { margin-top: 14px; font-size: 18px; font-weight: 700; color: #fff; letter-spacing: 1px; }
.footer-slogan { margin-top: 10px; font-size: 13.5px; color: rgba(255, 255, 255, 0.55); line-height: 1.8; }
.footer-col h4 {
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 18px;
  letter-spacing: 1px;
}
.footer-col a {
  display: block;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.65);
  padding: 5px 0;
  transition: color .18s ease, padding-left .18s ease;
}
.footer-col a:hover { color: var(--c-cyan); padding-left: 4px; }

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.10);
  padding: 20px 0;
}
.footer-bottom .container {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px 24px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.45);
}
.footer-bottom a { color: rgba(255, 255, 255, 0.6); }
.footer-bottom a:hover { color: var(--c-cyan); }

/* ============================================================
   界面预览
   ============================================================ */
.showcase-group-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  font-weight: 700;
  margin: 8px 0 26px;
}
.showcase-group-title::before {
  content: "";
  width: 4px;
  height: 18px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--c-blue), var(--c-cyan));
}

.pc-grid {
  display: grid;
  grid-template-columns: 1.55fr 1fr;
  gap: 24px;
  align-items: center;
  margin-bottom: 56px;
}
.pc-col { display: flex; flex-direction: column; gap: 22px; }
.pc-card {
  background: var(--c-bg);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: var(--shadow-card);
  transition: transform .22s ease, box-shadow .22s ease;
}
.pc-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-card-hover); }
.pc-shot {
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--c-line);
  background: #0B1220;
  line-height: 0;
}
.pc-shot img { width: 100%; display: block; }
.pc-card figcaption { padding: 16px 6px 6px; }
.pc-card figcaption b { font-size: 16px; font-weight: 700; display: block; margin-bottom: 6px; }
.pc-card figcaption p { font-size: 13.5px; color: var(--c-text-2); line-height: 1.7; }

.pc-tall .pc-shot-tall {
  display: flex;
  justify-content: center;
  background: radial-gradient(560px 420px at 50% 12%, rgba(10, 89, 247, 0.18), transparent 65%), #0B1220;
}
.pc-tall .pc-shot-tall img {
  width: auto;
  height: min(52vh, 420px);
  margin: 14px auto;
}

.m-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}
.m-card { text-align: center; }
.phone {
  width: 100%;
  max-width: 232px;
  margin: 0 auto 16px;
  padding: 10px;
  border-radius: 30px;
  background: linear-gradient(165deg, #101A33, #0B1220);
  border: 1px solid rgba(13, 27, 69, 0.30);
  box-shadow: 0 20px 44px rgba(23, 43, 99, 0.18);
}
.phone img {
  width: 100%;
  display: block;
  border-radius: 21px;
}
.m-card figcaption b { font-size: 15.5px; font-weight: 700; display: block; margin-bottom: 4px; }
.m-card figcaption p { font-size: 13px; color: var(--c-text-3); }

/* ============================================================
   响应式
   ============================================================ */
@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr; padding-bottom: 90px; gap: 40px; }
  .hero-visual { max-width: 560px; margin: 0 auto; width: 100%; }
  .feature-grid, .sec-grid { grid-template-columns: repeat(2, 1fr); }
  .dl-grid { grid-template-columns: 1fr; max-width: 560px; margin: 0 auto; }
  .how-grid { flex-direction: column; align-items: center; }
  .how-step { width: 100%; max-width: 460px; }
  .how-arrow { transform: rotate(90deg); }

  .pc-grid { grid-template-columns: 1fr; }
  .pc-col { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
  .pc-tall { max-width: 380px; margin: 0 auto; width: 100%; }
  .pc-tall .pc-shot-tall img { height: auto; width: min(64%, 230px); }
  .m-grid { grid-template-columns: repeat(2, 1fr); gap: 30px 20px; }
}

@media (max-width: 768px) {
  :root { --header-h: 60px; }
  .main-nav {
    position: fixed;
    top: var(--header-h);
    left: 0; right: 0;
    flex-direction: column;
    gap: 0;
    background: rgba(6, 10, 28, 0.97);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    padding: 10px 6vw 18px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition: opacity .22s ease, transform .22s ease;
  }
  .main-nav.open { opacity: 1; transform: translateY(0); pointer-events: auto; }
  .main-nav a { padding: 13px 0; border-bottom: 1px solid rgba(255, 255, 255, 0.06); }
  .main-nav a::after { display: none; }
  .nav-toggle { display: flex; }
  .header-actions .btn { display: none; }

  .hero { padding-top: calc(var(--header-h) + 40px); }
  .hero-title { font-size: 34px; }
  .hero-actions .btn { width: 100%; }
  .stats-inner { grid-template-columns: repeat(2, 1fr); gap: 28px 16px; }
  .feature-grid, .sec-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .shot-float { display: none; }
  .pc-col { grid-template-columns: 1fr; }
  .section { padding: 68px 0; }
}

@media (max-width: 480px) {
  .footer-inner { grid-template-columns: 1fr; }
  .footer-bottom .container { flex-direction: column; align-items: center; text-align: center; }
  .hero-wave svg { height: 44px; }
}