/* ==========================================================
   PK竞技场 · 落地页样式
   深色玻璃拟态 / 霓虹橙红主色 / 桌面优先
   ========================================================== */

:root {
  --bg: #08090f;
  --bg-soft: #0c0e16;
  --card: rgba(255, 255, 255, 0.035);
  --card-strong: rgba(255, 255, 255, 0.06);
  --line: rgba(255, 255, 255, 0.09);
  --line-soft: rgba(255, 255, 255, 0.055);
  --text: #f2f4fa;
  --text-2: #9aa3b8;
  --text-3: #6c7488;
  --red: #ff4d4f;
  --orange: #ff7a45;
  --amber: #ffb020;
  --cyan: #22d3ee;
  --blue: #4d7cfe;
  --grad-hot: linear-gradient(120deg, #ff5f4d 0%, #ff9a3c 100%);
  --grad-cyan: linear-gradient(120deg, #22d3ee 0%, #4d7cfe 100%);
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --wrap: 1200px;
  --nav-h: 68px;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

.wrap {
  width: min(100% - 48px, var(--wrap));
  margin-inline: auto;
}

/* ---------- 背景装饰 ---------- */
.bg-decor {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}
.glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.5;
}
.glow-red {
  width: 620px; height: 620px;
  top: -220px; left: -180px;
  background: radial-gradient(circle, rgba(255, 77, 79, 0.45), transparent 70%);
}
.glow-cyan {
  width: 560px; height: 560px;
  top: 320px; right: -220px;
  background: radial-gradient(circle, rgba(34, 211, 238, 0.22), transparent 70%);
}
.grid-lines {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.028) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 20%, transparent 78%);
}

/* ---------- 导航 ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  background: rgba(8, 9, 15, 0.72);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line-soft);
}
.nav-inner {
  width: min(100% - 48px, var(--wrap));
  margin-inline: auto;
  display: flex;
  align-items: center;
  gap: 32px;
}
.brand { display: flex; align-items: center; gap: 10px; }
/* 品牌标志：红蓝擂台闪电徽标 */
.brand-logo {
  width: 34px; height: 34px;
  display: block;
  object-fit: contain;
  filter: drop-shadow(0 4px 12px rgba(255, 77, 79, 0.35));
}
.brand-name { font-weight: 700; letter-spacing: 0.5px; }
.nav-links { display: flex; gap: 28px; margin-left: auto; font-size: 15px; color: var(--text-2); }
.nav-links a { transition: color 0.2s; }
.nav-links a:hover { color: var(--text); }
.nav-cta {
  padding: 9px 18px;
  border-radius: 999px;
  border: 1px solid var(--line);
  font-size: 14px;
  color: var(--text);
  transition: border-color 0.2s, background 0.2s;
}
.nav-cta:hover { border-color: rgba(255, 122, 69, 0.6); background: rgba(255, 122, 69, 0.08); }
.nav-toggle { display: none; }

/* ---------- 通用 ---------- */
.section { position: relative; z-index: 1; padding: 104px 0; }
.section-alt { background: linear-gradient(180deg, transparent, rgba(255, 255, 255, 0.018) 30%, rgba(255, 255, 255, 0.018) 70%, transparent); }
.section-head { text-align: center; max-width: 680px; margin: 0 auto 56px; }
.badge {
  display: inline-block;
  padding: 5px 14px;
  margin-bottom: 18px;
  border-radius: 999px;
  border: 1px solid rgba(255, 122, 69, 0.28);
  background: rgba(255, 122, 69, 0.08);
  color: var(--orange);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2px;
}
.section-title {
  font-size: 40px;
  font-weight: 800;
  letter-spacing: -0.5px;
  line-height: 1.25;
}
.section-title em {
  font-style: normal;
  background: var(--grad-hot);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.section-desc { margin-top: 14px; color: var(--text-2); font-size: 16px; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 48px;
  padding: 0 28px;
  border-radius: 999px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s, background 0.2s, border-color 0.2s;
}
.btn-primary {
  background: var(--grad-hot);
  color: #fff;
  box-shadow: 0 10px 26px rgba(255, 77, 79, 0.3);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 14px 32px rgba(255, 77, 79, 0.42); }
.btn-ghost { border: 1px solid rgba(34, 211, 238, 0.5); color: var(--cyan); background: rgba(34, 211, 238, 0.06); }
.btn-ghost:hover { border-color: rgba(34, 211, 238, 0.75); background: rgba(34, 211, 238, 0.12); }
.btn-sm { height: 40px; padding: 0 22px; font-size: 15px; }

/* ---------- HERO ---------- */
.hero { position: relative; z-index: 1; padding: 74px 0 96px; }
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: center;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
  font-size: 13px;
  color: var(--text-2);
}
.eyebrow-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--red);
  box-shadow: 0 0 0 4px rgba(255, 77, 79, 0.18);
}
.hero-title { margin: 26px 0 22px; font-size: 62px; line-height: 1.14; font-weight: 800; letter-spacing: -1.5px; }
.hero-title .line { display: block; }
.hero-title em {
  font-style: normal;
  background: var(--grad-hot);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-title .grad {
  background: var(--grad-cyan);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-desc { color: var(--text-2); font-size: 17px; }
/* 定位说明：强调 PK台 面向所有可 PK 的领域，不限于单一品类 */
.scope-line {
  margin-top: 14px;
  padding: 11px 16px;
  border-radius: var(--radius-md);
  border: 1px solid var(--line-soft);
  background: linear-gradient(120deg, rgba(255, 122, 69, 0.09), rgba(34, 211, 238, 0.07));
  color: var(--text-2);
  font-size: 14px;
  line-height: 1.7;
}
.hero-actions { display: flex; gap: 14px; margin: 34px 0 46px; }
.stats { display: flex; gap: 16px; }
.stat {
  flex: 1;
  padding: 18px 20px;
  border-radius: var(--radius-md);
  border: 1px solid var(--line-soft);
  background: var(--card);
}
.stat-label { color: var(--text-3); font-size: 13px; }
.stat-value {
  margin-top: 6px;
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -0.5px;
  font-variant-numeric: tabular-nums;
}
.stat-value i { font-style: normal; color: var(--orange); font-size: 18px; margin-left: 2px; }

/* ---------- 手机模型 ---------- */
.hero-visual { position: relative; display: flex; justify-content: center; }
.phone { position: relative; width: 300px; }
.phone-glow {
  position: absolute;
  inset: -60px -40px;
  background: radial-gradient(circle at 50% 40%, rgba(255, 77, 79, 0.28), transparent 65%);
  filter: blur(30px);
}
.phone-frame {
  position: relative;
  border-radius: 40px;
  padding: 10px;
  background: linear-gradient(160deg, #2a2d38, #14161d);
  box-shadow: 0 40px 90px rgba(0, 0, 0, 0.65), inset 0 0 0 1px rgba(255, 255, 255, 0.08);
}
.phone-notch {
  position: absolute;
  top: 18px; left: 50%;
  transform: translateX(-50%);
  width: 92px; height: 22px;
  border-radius: 999px;
  background: #0a0b10;
  z-index: 3;
}
.phone-screen {
  position: relative;
  height: 610px;
  border-radius: 32px;
  background: linear-gradient(180deg, #12141d, #0b0d14);
  overflow: hidden;
  padding: 0 12px 12px;
  display: flex;
  flex-direction: column;
}
.p-status {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 8px 10px;
  font-size: 11px;
  color: var(--text-2);
}
.p-signal { display: flex; align-items: flex-end; gap: 2px; }
.p-signal i { width: 3px; background: var(--text-2); border-radius: 1px; }
.p-signal i:nth-child(1) { height: 4px; }
.p-signal i:nth-child(2) { height: 6px; }
.p-signal i:nth-child(3) { height: 8px; }
.p-signal b { width: 16px; height: 8px; border: 1px solid var(--text-2); border-radius: 2px; margin-left: 4px; }
.p-search {
  display: flex; align-items: center; gap: 8px;
  height: 32px; padding: 0 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--line-soft);
  font-size: 12px;
  color: var(--text-3);
}
.p-search-icon {
  width: 11px; height: 11px;
  border: 1.5px solid var(--text-3);
  border-radius: 50%;
  position: relative;
}
.p-search-icon::after {
  content: "";
  position: absolute;
  right: -4px; bottom: -3px;
  width: 5px; height: 1.5px;
  background: var(--text-3);
  transform: rotate(45deg);
}
.p-chips { display: flex; gap: 6px; margin: 12px 0 10px; }
.p-chip {
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 11px;
  color: var(--text-3);
  border: 1px solid var(--line-soft);
}
.p-chip.is-on { color: #fff; background: rgba(255, 77, 79, 0.85); border-color: transparent; }
.p-card {
  border-radius: 14px;
  border: 1px solid var(--line-soft);
  background: rgba(255, 255, 255, 0.035);
  padding: 10px;
  margin-bottom: 10px;
}
.p-card-title { font-size: 12.5px; font-weight: 700; }
.p-card-meta { display: flex; justify-content: space-between; margin: 6px 0 8px; font-size: 10.5px; color: var(--text-3); }
.p-card-imgs { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; }
.p-thumb {
  height: 74px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  font-size: 30px;
}
.p-tabbar {
  margin-top: auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  padding-top: 10px;
  border-top: 1px solid var(--line-soft);
  font-size: 10px;
  color: var(--text-3);
  text-align: center;
}
.p-tabbar span { display: grid; gap: 2px; justify-items: center; }
.p-tabbar i { font-style: normal; font-size: 15px; }
.p-tabbar .is-on { color: var(--red); }

.t-red { background: linear-gradient(140deg, rgba(255, 77, 79, 0.35), rgba(255, 122, 69, 0.16)); }
.t-amber { background: linear-gradient(140deg, rgba(255, 176, 32, 0.32), rgba(255, 122, 69, 0.14)); }
.t-cyan { background: linear-gradient(140deg, rgba(34, 211, 238, 0.3), rgba(77, 124, 254, 0.14)); }
.t-green { background: linear-gradient(140deg, rgba(52, 211, 153, 0.28), rgba(34, 211, 238, 0.12)); }

/* 浮动数据卡 */
.float-card {
  position: absolute;
  display: grid;
  gap: 2px;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background: rgba(16, 18, 27, 0.86);
  backdrop-filter: blur(12px);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.45);
  animation: floaty 5s ease-in-out infinite;
}
.fc-icon { font-size: 16px; }
.float-card b { font-size: 18px; }
.float-card small { font-size: 11px; color: var(--text-3); }
.fc-1 { top: 16%; left: -2%; }
.fc-2 { bottom: 12%; right: -4%; animation-delay: 1.4s; }
@keyframes floaty {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* ---------- 四步流程 ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.step {
  position: relative;
  padding: 28px 22px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line-soft);
  background: var(--card);
  overflow: hidden;
  transition: transform 0.25s, border-color 0.25s, background 0.25s;
}
.step:hover { transform: translateY(-6px); border-color: rgba(255, 122, 69, 0.35); background: var(--card-strong); }
.step-num {
  position: absolute;
  top: 14px; right: 18px;
  font-size: 30px;
  font-weight: 800;
  color: rgba(255, 255, 255, 0.07);
  letter-spacing: -1px;
}
.step-icon {
  width: 44px; height: 44px;
  display: grid; place-items: center;
  border-radius: 12px;
  background: rgba(255, 122, 69, 0.12);
  border: 1px solid rgba(255, 122, 69, 0.22);
  font-size: 19px;
}
.step h3 { margin: 16px 0 8px; font-size: 18px; }
.step p { color: var(--text-2); font-size: 14px; }

/* ---------- 功能亮点 ---------- */
.features { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 64px; align-items: center; }
.feature-visual { display: flex; justify-content: center; }
.phone-sm .phone-screen { height: 560px; }
.p-tabs-lg { display: flex; gap: 14px; padding: 10px 4px 12px; font-size: 12px; color: var(--text-3); }
.p-tabs-lg .is-on { color: var(--text); font-weight: 700; position: relative; }
.p-tabs-lg .is-on::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -6px;
  height: 2px;
  border-radius: 2px;
  background: var(--grad-hot);
}
.p-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 0;
  border-bottom: 1px solid var(--line-soft);
}
.p-row-icon {
  width: 38px; height: 38px;
  border-radius: 10px;
  display: grid; place-items: center;
  font-size: 18px;
  flex: none;
}
.p-row div { flex: 1; min-width: 0; }
.p-row b { display: block; font-size: 12.5px; }
.p-row i { font-style: normal; font-size: 10.5px; color: var(--text-3); display: block; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.p-row em { font-style: normal; font-size: 11px; color: var(--orange); font-weight: 700; }

.feature-list { display: grid; gap: 12px; }
.feature-list li {
  display: flex;
  gap: 16px;
  padding: 18px 20px;
  border-radius: var(--radius-md);
  border: 1px solid var(--line-soft);
  background: var(--card);
  transition: border-color 0.25s, transform 0.25s;
}
.feature-list li:hover { border-color: rgba(34, 211, 238, 0.32); transform: translateX(4px); }
.fl-icon {
  width: 38px; height: 38px;
  flex: none;
  display: grid; place-items: center;
  border-radius: 10px;
  background: rgba(34, 211, 238, 0.1);
  border: 1px solid rgba(34, 211, 238, 0.2);
  color: var(--cyan);
  font-size: 17px;
}
.feature-list h4 { font-size: 16px; margin-bottom: 3px; }
.feature-list p { font-size: 13.5px; color: var(--text-2); }

/* ---------- 热门对战 ---------- */
.hot-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.hot-card {
  padding: 14px 14px 18px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line-soft);
  background: var(--card);
  transition: transform 0.25s, border-color 0.25s;
}
.hot-card:hover { transform: translateY(-6px); border-color: rgba(255, 122, 69, 0.35); }
.hot-thumbs { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.hot-thumb {
  position: relative;
  height: 168px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  font-size: 52px;
  border: 1px solid var(--line-soft);
}
.hot-rank {
  position: absolute;
  top: 8px; left: 8px;
  padding: 2px 8px;
  border-radius: 6px;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.5px;
  background: rgba(10, 11, 16, 0.75);
  color: var(--amber);
  border: 1px solid rgba(255, 176, 32, 0.35);
}
.hot-card h3 { margin: 14px 4px 10px; font-size: 17px; }
.hot-card h3 span { color: var(--text-3); font-size: 13px; margin: 0 4px; font-weight: 500; }
.hot-meta { display: flex; align-items: center; gap: 10px; padding: 0 4px; font-size: 12px; color: var(--text-3); }
.hot-ava { display: flex; }
.hot-ava i {
  width: 22px; height: 22px;
  margin-right: -6px;
  border-radius: 50%;
  display: grid; place-items: center;
  font-size: 11px;
  font-style: normal;
  background: #1b1e29;
  border: 1.5px solid #0c0e16;
}
.hot-votes { margin-left: auto; color: var(--orange); font-weight: 700; }
.hot-tags { display: flex; gap: 8px; padding: 12px 4px 0; }
.tag {
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  border: 1px solid transparent;
}
.tag-red { color: #ff8b8d; background: rgba(255, 77, 79, 0.12); border-color: rgba(255, 77, 79, 0.25); }
.tag-cyan { color: #67e8f9; background: rgba(34, 211, 238, 0.1); border-color: rgba(34, 211, 238, 0.22); }
.tag-amber { color: #ffce7a; background: rgba(255, 176, 32, 0.1); border-color: rgba(255, 176, 32, 0.22); }

.hot-banner {
  margin-top: 26px;
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 18px 26px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line-soft);
  background: var(--card);
}
.hb-brand { display: flex; align-items: center; gap: 10px; }
.hb-brand .brand-logo { width: 30px; height: 30px; }
.hb-brand b { font-size: 16px; }
.hb-links { display: flex; gap: 24px; margin-left: auto; font-size: 14px; color: var(--text-2); }
.hb-links a:hover { color: var(--text); }

/* ---------- CTA ---------- */
.cta-section { padding-bottom: 120px; }
.cta-card {
  position: relative;
  overflow: hidden;
  text-align: center;
  padding: 66px 32px 58px;
  border-radius: 28px;
  border: 1px solid var(--line);
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.055), rgba(255, 255, 255, 0.015));
}
.cta-glow {
  position: absolute;
  top: -180px; left: 50%;
  transform: translateX(-50%);
  width: 620px; height: 420px;
  background: radial-gradient(circle, rgba(255, 77, 79, 0.3), transparent 68%);
  filter: blur(40px);
  pointer-events: none;
}
.cta-title { position: relative; font-size: 42px; font-weight: 800; letter-spacing: -0.5px; }
.cta-title em {
  font-style: normal;
  background: var(--grad-hot);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.cta-desc { position: relative; margin-top: 14px; color: var(--text-2); }
.cta-body {
  position: relative;
  margin-top: 42px;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 56px;
}
.qr { text-align: center; }
.qr-code {
  width: 148px; height: 148px;
  padding: 12px;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  grid-template-rows: repeat(5, 1fr);
  gap: 5px;
  border-radius: 18px;
  background: #f4f6fa;
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.5);
}
.qr-code span { background: #0b0d14; border-radius: 2px; }
.qr-code span:nth-child(3n) { background: transparent; }
.qr-code span:nth-child(7n) { background: #0b0d14; }
.qr-tip { margin-top: 14px; font-size: 12.5px; color: var(--text-3); }
.cta-steps { display: grid; gap: 14px; text-align: left; }
.cta-steps li { display: flex; align-items: center; gap: 14px; }
.cs-num {
  width: 34px; height: 34px;
  flex: none;
  display: grid; place-items: center;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 800;
  color: #fff;
  background: var(--grad-hot);
}
.cs-red { background: linear-gradient(135deg, #ff4d4f, #ff7a45); }
.cs-amber { background: linear-gradient(135deg, #ffb020, #ff8a3c); }
.cs-cyan { background: linear-gradient(135deg, #22d3ee, #4d7cfe); }
.cta-steps b { display: block; font-size: 15px; }
.cta-steps i { font-style: normal; font-size: 13px; color: var(--text-3); }

/* ---------- Footer ---------- */
.footer { position: relative; z-index: 1; border-top: 1px solid var(--line-soft); padding: 34px 0 42px; }
.footer-inner { display: flex; align-items: center; justify-content: center; gap: 18px; flex-wrap: wrap; }
.footer-copy { color: var(--text-3); font-size: 13.5px; }
.footer-links { display: flex; gap: 20px; font-size: 13.5px; color: var(--text-3); }
.footer-links a:hover { color: var(--text-2); }

/* ---------- 进场动画 ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.22, 1, 0.36, 1); }
.reveal.in-view { opacity: 1; transform: none; }
.steps .reveal:nth-child(2), .feature-list .reveal:nth-child(2), .hot-grid .reveal:nth-child(2) { transition-delay: 0.08s; }
.steps .reveal:nth-child(3), .feature-list .reveal:nth-child(3), .hot-grid .reveal:nth-child(3) { transition-delay: 0.16s; }
.steps .reveal:nth-child(4), .feature-list .reveal:nth-child(4) { transition-delay: 0.24s; }
.feature-list .reveal:nth-child(5) { transition-delay: 0.32s; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .float-card { animation: none; }
  html { scroll-behavior: auto; }
}

/* ---------- 响应式 ---------- */
@media (max-width: 1100px) {
  .hero-title { font-size: 52px; }
  .features { gap: 40px; }
  .fc-1 { left: -6%; }
  .fc-2 { right: -8%; }
}

@media (max-width: 960px) {
  .section { padding: 78px 0; }
  .hero { padding: 48px 0 72px; }
  .hero-grid { grid-template-columns: 1fr; gap: 48px; }
  .hero-title { font-size: 46px; }
  .hero-copy { text-align: center; }
  .hero-actions, .stats { justify-content: center; }
  .eyebrow { justify-content: center; }
  .section-title { font-size: 32px; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .features { grid-template-columns: 1fr; }
  .hot-grid { grid-template-columns: 1fr; max-width: 460px; margin-inline: auto; }
  .cta-title { font-size: 32px; }
  .cta-body { flex-direction: column; gap: 36px; }
  .fc-1, .fc-2 { display: none; }
}

@media (max-width: 760px) {
  .nav-links, .nav-cta { display: none; }
  .nav-toggle {
    display: grid;
    gap: 5px;
    margin-left: auto;
    padding: 10px;
    background: none;
    border: 1px solid var(--line);
    border-radius: 10px;
    cursor: pointer;
  }
  .nav-toggle span { display: block; width: 18px; height: 2px; background: var(--text); border-radius: 2px; transition: transform 0.25s, opacity 0.25s; }
  .nav.open .nav-links {
    display: flex;
    position: absolute;
    top: var(--nav-h);
    left: 0; right: 0;
    flex-direction: column;
    gap: 0;
    padding: 8px 24px 16px;
    background: rgba(8, 9, 15, 0.96);
    border-bottom: 1px solid var(--line-soft);
  }
  .nav.open .nav-links a { padding: 12px 0; }
  .nav.open .nav-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav.open .nav-toggle span:nth-child(2) { opacity: 0; }
  .nav.open .nav-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .hero-title { font-size: 44px; }
  .hero-desc br { display: none; }
  .stats { flex-wrap: wrap; }
  .stat { flex: 1 1 30%; }
  .stat-value { font-size: 22px; }
  .cta-title { font-size: 28px; }
  .cta-body { gap: 28px; }
  .cta-steps li { width: 100%; }
  .steps { grid-template-columns: 1fr; }
  .hot-banner { flex-wrap: wrap; gap: 16px; }
  .hb-links { margin-left: 0; width: 100%; flex-wrap: wrap; gap: 16px; }
  .hot-banner .btn { margin-left: auto; }
  .footer-inner { flex-direction: column; text-align: center; }
}