/* ========== 软泥星球 · 官网样式 ========== */
/* 本地字体 */
@font-face {
  font-family: "ZCOOL KuaiLe";
  src: url("../fonts/ZCOOLKuaiLe-Regular.ttf") format("truetype");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Noto Sans SC";
  src: url("../fonts/NotoSansSC-Variable.ttf") format("truetype-variations");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

:root {
  --c-bg: #061826;
  --c-bg-2: #0a2438;
  --c-card: #0e2c44;
  --c-line: rgba(120, 200, 230, 0.16);
  --c-jade: #3ed6b0;
  --c-azure: #43b8e8;
  --c-gold: #f5c66b;
  --c-gold-2: #e8a63c;
  --c-text: #e8f4f8;
  --c-text-dim: #9dbccb;
  --radius: 16px;
  --shadow: 0 12px 32px rgba(0, 0, 0, 0.35);
  --font-serif: "ZCOOL KuaiLe", "STKaiti", "KaiTi", "Noto Serif SC", serif;
}

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

html { scroll-behavior: smooth; }

section[id] { scroll-margin-top: 68px; }
@media (max-width: 640px) {
  section[id] { scroll-margin-top: 60px; }
}

body {
  font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--c-bg);
  color: var(--c-text);
  line-height: 1.7;
  overflow-x: hidden;
}

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

.container { width: min(1180px, 92%); margin: 0 auto; }

/* ---------- 导航 ---------- */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  transition: background 0.3s, box-shadow 0.3s;
}
.site-header.scrolled {
  background: rgba(6, 24, 38, 0.92);
  backdrop-filter: blur(12px);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}
.brand { display: flex; align-items: center; gap: 10px; }
.brand-logo {
  width: 40px; height: 40px;
  border-radius: 10px;
  box-shadow: 0 0 12px rgba(62, 214, 176, 0.5);
}
.brand-name {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 2px;
  background: linear-gradient(120deg, #8ee6c8, #43b8e8 60%, #f5c66b);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.brand-badge {
  margin-left: 2px;
  padding: 3px 9px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  line-height: 1;
  color: #4a2c00;
  background: linear-gradient(135deg, #ffe9ad, var(--c-gold) 60%, var(--c-gold-2));
  box-shadow: 0 2px 8px rgba(245, 198, 107, 0.45);
  transform: translateY(-6px) rotate(6deg);
  animation: badgePulse 2.6s ease-in-out infinite;
}
.nav-links { display: flex; align-items: center; gap: 26px; }
.nav-links a {
  font-size: 15px;
  color: var(--c-text-dim);
  transition: color 0.25s;
  position: relative;
}
.nav-links a:hover, .nav-links a.active { color: var(--c-text); }
.nav-links a.active::after {
  content: "";
  position: absolute;
  left: 50%; bottom: -8px;
  transform: translateX(-50%);
  width: 18px; height: 3px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--c-jade), var(--c-azure));
}
.nav-links .btn-download {
  padding: 8px 20px;
  border-radius: 999px;
  color: #231a05;
  font-weight: 600;
  background: linear-gradient(120deg, var(--c-gold), var(--c-gold-2));
  box-shadow: 0 4px 14px rgba(245, 198, 107, 0.35);
  transition: transform 0.25s, box-shadow 0.25s;
}
.nav-links .btn-download:hover { transform: translateY(-2px); box-shadow: 0 8px 20px rgba(245, 198, 107, 0.5); }
.nav-links .btn-download::after { display: none; }

.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: var(--c-text);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}
.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); }

/* ---------- 英雄区 ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 110px 0 90px;
  overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0;
  background: url("../../images/banner/banner675daedcdeae241b6cc9d939a606ba181785481051.jpg") center/cover no-repeat;
  filter: blur(6px) brightness(0.55) saturate(1.1);
  transform: scale(1.06);
}
.hero-bg::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(6,24,38,0.55) 0%, rgba(6,24,38,0.35) 45%, var(--c-bg) 100%);
}
.hero-clouds {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 400px 120px at 15% 25%, rgba(255,255,255,0.10), transparent 70%),
    radial-gradient(ellipse 500px 140px at 80% 15%, rgba(255,255,255,0.08), transparent 70%),
    radial-gradient(ellipse 360px 100px at 60% 70%, rgba(62,214,176,0.10), transparent 70%);
  animation: cloudDrift 18s ease-in-out infinite alternate;
  pointer-events: none;
}
@keyframes cloudDrift {
  from { transform: translateX(-2%); }
  to { transform: translateX(2%); }
}
.hero-content {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: 48px;
}
.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 16px;
  border: 1px solid rgba(62, 214, 176, 0.4);
  border-radius: 999px;
  font-size: 14px;
  color: #8ee6c8;
  background: rgba(62, 214, 176, 0.08);
}
.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(52px, 7vw, 84px);
  line-height: 1.1;
  margin: 18px 0 6px;
  letter-spacing: 6px;
  text-shadow: 0 4px 24px rgba(0, 0, 0, 0.5);
}
.hero-title em {
  font-style: normal;
  background: linear-gradient(120deg, #8ee6c8, #43b8e8 55%, #f5c66b);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero-slogan {
  font-family: var(--font-serif);
  font-size: clamp(20px, 2.6vw, 28px);
  letter-spacing: 4px;
  color: var(--c-gold);
  margin-bottom: 16px;
}
.hero-desc {
  max-width: 520px;
  color: var(--c-text-dim);
  font-size: 15.5px;
}
.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin: 22px 0 28px;
  font-size: 14px;
  color: var(--c-text-dim);
}
.hero-meta span { display: inline-flex; align-items: center; gap: 6px; }
.hero-meta svg { color: var(--c-jade); }
.hero-actions { display: flex; align-items: center; gap: 18px; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 34px;
  border-radius: 999px;
  font-size: 17px;
  font-weight: 600;
  transition: transform 0.25s, box-shadow 0.25s;
}
.btn-primary {
  color: #231a05;
  background: linear-gradient(120deg, var(--c-gold), var(--c-gold-2));
  box-shadow: 0 8px 24px rgba(245, 198, 107, 0.4);
}
.btn-primary:hover { transform: translateY(-3px) scale(1.02); box-shadow: 0 14px 32px rgba(245, 198, 107, 0.55); }
.btn-ghost {
  color: var(--c-text);
  border: 1px solid rgba(255, 255, 255, 0.35);
  background: rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(6px);
}
.btn-ghost:hover { background: rgba(255, 255, 255, 0.14); transform: translateY(-3px); }

.qr-hover-wrap { position: relative; }
.qr-popup {
  position: absolute;
  bottom: calc(100% + 14px);
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  background: #fff;
  border-radius: 14px;
  padding: 12px 12px 8px;
  box-shadow: var(--shadow);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s, transform 0.25s;
  z-index: 20;
}
.qr-hover-wrap:hover .qr-popup {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
  pointer-events: auto;
}
.qr-popup::after {
  content: "";
  position: absolute;
  top: 100%; left: 50%;
  transform: translateX(-50%);
  border: 8px solid transparent;
  border-top-color: #fff;
}
.qr-popup-inner {
  width: 130px; height: 130px;
  border-radius: 10px;
  overflow: hidden;
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
}
.qr-popup-inner img, .qr-popup-inner canvas { max-width: 100%; max-height: 100%; }
.qr-tip { text-align: center; color: #333; font-size: 12.5px; margin-top: 8px; }

.hero-visual { position: relative; }
.hero-img {
  border-radius: 22px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.55), 0 0 0 1px rgba(120, 200, 230, 0.25);
  animation: heroFloat 6s ease-in-out infinite;
}
@keyframes heroFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}
.hero-badge {
  position: absolute;
  top: -18px; right: -14px;
  width: 86px; height: 86px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  font-family: var(--font-serif);
  font-size: 19px;
  font-weight: 700;
  line-height: 1.25;
  color: #4a2c00;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, #ffe9ad, var(--c-gold) 60%, var(--c-gold-2));
  box-shadow: 0 10px 26px rgba(245, 198, 107, 0.55), inset 0 0 0 3px rgba(255,255,255,0.4);
  animation: badgePulse 2.6s ease-in-out infinite;
}
@keyframes badgePulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.08); }
}
.hero-wave {
  position: absolute;
  left: 0; right: 0; bottom: -1px;
  height: 90px;
  background: var(--c-bg);
  clip-path: ellipse(75% 100% at 50% 100%);
}

/* ---------- 通用区块 ---------- */
.section { padding: 96px 0; position: relative; }
.section-head { text-align: center; margin-bottom: 52px; }
.section-kicker {
  font-size: 13px;
  letter-spacing: 5px;
  color: var(--c-jade);
  text-transform: uppercase;
  margin-bottom: 10px;
}
.section-title {
  font-family: var(--font-serif);
  font-size: clamp(30px, 4vw, 42px);
  letter-spacing: 4px;
}
.section-title::after {
  content: "";
  display: block;
  width: 56px; height: 3px;
  margin: 14px auto 0;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--c-jade), var(--c-azure), var(--c-gold));
}
.section-sub { margin-top: 14px; color: var(--c-text-dim); font-size: 15px; }

.reveal { opacity: 0; transform: translateY(34px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ---------- 游戏简介 ---------- */
.about {
  background:
    radial-gradient(ellipse 600px 300px at 85% 20%, rgba(62, 214, 176, 0.07), transparent 70%),
    radial-gradient(ellipse 500px 260px at 10% 85%, rgba(67, 184, 232, 0.07), transparent 70%);
}
.about-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  align-items: center;
  gap: 60px;
}
.about-visual { position: relative; display: flex; justify-content: center; }
.about-icon {
  width: min(300px, 70%);
  border-radius: 28px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.5), 0 0 40px rgba(67, 184, 232, 0.25);
  position: relative;
  z-index: 2;
}
.about-ring {
  position: absolute;
  inset: -8%;
  border-radius: 50%;
  border: 1px dashed rgba(62, 214, 176, 0.4);
  animation: ringSpin 24s linear infinite;
}
.about-ring::before {
  content: "";
  position: absolute;
  top: 6%; left: 12%;
  width: 12px; height: 12px;
  border-radius: 50%;
  background: var(--c-gold);
  box-shadow: 0 0 14px var(--c-gold);
}
@keyframes ringSpin { to { transform: rotate(360deg); } }
.about-copy .section-title { letter-spacing: 2px; }
.about-copy .section-title::after { margin: 14px 0 0; }
.about-text { margin-top: 18px; color: var(--c-text-dim); font-size: 15.5px; }
.about-text strong { color: var(--c-gold); font-weight: 600; }
.about-points { margin-top: 24px; display: grid; gap: 12px; }
.about-points li { display: flex; align-items: center; gap: 10px; font-size: 15px; }
.about-points .dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: linear-gradient(120deg, var(--c-jade), var(--c-azure));
  box-shadow: 0 0 8px rgba(62, 214, 176, 0.7);
  flex-shrink: 0;
}

/* ---------- 游戏特色 ---------- */
.features { background: var(--c-bg-2); }
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.feature-card {
  background: linear-gradient(160deg, rgba(20, 50, 74, 0.9), rgba(12, 36, 56, 0.9));
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  padding: 34px 28px;
  transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
}
.feature-card:hover {
  transform: translateY(-8px);
  border-color: rgba(62, 214, 176, 0.5);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.4), 0 0 24px rgba(62, 214, 176, 0.12);
}
.feature-icon {
  width: 58px; height: 58px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 16px;
  margin-bottom: 20px;
  color: #082c22;
  background: linear-gradient(135deg, var(--c-jade), var(--c-azure));
  box-shadow: 0 8px 18px rgba(62, 214, 176, 0.35);
}
.feature-icon svg { width: 28px; height: 28px; }
.feature-card h3 {
  font-family: var(--font-serif);
  font-size: 21px;
  letter-spacing: 2px;
  margin-bottom: 10px;
}
.feature-card p { color: var(--c-text-dim); font-size: 14.5px; }

/* ---------- 开服福利 ---------- */
.welfare {
  background:
    radial-gradient(ellipse 700px 340px at 50% 0%, rgba(245, 198, 107, 0.08), transparent 70%),
    var(--c-bg);
}
.welfare-banner {
  border-radius: 20px;
  margin-bottom: 34px;
  padding: 30px 40px;
  background: linear-gradient(120deg, rgba(245, 198, 107, 0.16), rgba(232, 166, 60, 0.06));
  border: 1px solid rgba(245, 198, 107, 0.4);
  box-shadow: 0 14px 36px rgba(0, 0, 0, 0.35), inset 0 0 40px rgba(245, 198, 107, 0.06);
}
.welfare-banner-text { display: flex; align-items: center; gap: 28px; flex-wrap: wrap; }
.welfare-big {
  font-family: var(--font-serif);
  font-size: 64px;
  font-weight: 700;
  line-height: 1;
  background: linear-gradient(160deg, #ffe9ad, var(--c-gold) 55%, var(--c-gold-2));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: none;
}
.welfare-big small { font-size: 28px; }
.welfare-banner strong { font-size: 24px; letter-spacing: 2px; color: var(--c-gold); }
.welfare-banner p { color: var(--c-text-dim); font-size: 14.5px; }

.welfare-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.welfare-card {
  position: relative;
  border-radius: var(--radius);
  padding: 28px 26px;
  background: linear-gradient(160deg, rgba(20, 50, 74, 0.85), rgba(12, 36, 56, 0.85));
  border: 1px solid var(--c-line);
  overflow: hidden;
  transition: transform 0.3s, border-color 0.3s, box-shadow 0.3s;
}
.welfare-card::before {
  content: "★";
  position: absolute;
  top: 14px; right: 18px;
  color: rgba(245, 198, 107, 0.35);
  font-size: 20px;
}
.welfare-card:hover {
  transform: translateY(-6px);
  border-color: rgba(245, 198, 107, 0.55);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.4), 0 0 22px rgba(245, 198, 107, 0.12);
}
.welfare-icon {
  width: 50px; height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  margin-bottom: 16px;
  color: #3a2604;
  background: linear-gradient(135deg, #ffe9ad, var(--c-gold));
  box-shadow: 0 8px 18px rgba(245, 198, 107, 0.3);
}
.welfare-icon svg { width: 25px; height: 25px; }
.welfare-card h3 {
  font-family: var(--font-serif);
  font-size: 20px;
  letter-spacing: 2px;
  color: var(--c-gold);
  margin-bottom: 8px;
}
.welfare-card p { color: var(--c-text-dim); font-size: 14.5px; }

/* ---------- 宣传视频 ---------- */
.video { background: var(--c-bg-2); }
.video-grid {
  display: flex;
  justify-content: center;
  gap: 28px;
}
.video-grid .video-card { width: 100%; max-width: 760px; }
.video-card {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--c-line);
  background: var(--c-card);
  box-shadow: var(--shadow);
  transition: transform 0.3s, border-color 0.3s;
}
.video-card:hover { transform: translateY(-6px); border-color: rgba(67, 184, 232, 0.5); }
.video-card video { width: 100%; display: block; aspect-ratio: 16 / 9; background: #000; }
.video-caption {
  padding: 14px 20px;
  font-size: 15px;
  letter-spacing: 1px;
  color: var(--c-text-dim);
  text-align: center;
}

/* ---------- 游戏截图 ---------- */
.shot-scroll {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: 200px;
  gap: 18px;
  overflow-x: auto;
  padding: 10px 4px 22px;
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
  scrollbar-color: var(--c-azure) transparent;
}
.shot-scroll::-webkit-scrollbar { height: 8px; }
.shot-scroll::-webkit-scrollbar-thumb { background: rgba(67, 184, 232, 0.5); border-radius: 4px; }
.shot-scroll::-webkit-scrollbar-track { background: rgba(255, 255, 255, 0.05); border-radius: 4px; }
.shot-item {
  scroll-snap-align: start;
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid var(--c-line);
  box-shadow: 0 10px 26px rgba(0, 0, 0, 0.4);
  cursor: zoom-in;
  transition: transform 0.3s, border-color 0.3s;
}
.shot-item:hover { transform: translateY(-8px) scale(1.02); border-color: rgba(62, 214, 176, 0.55); }
.shot-item img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 9 / 16; }

/* ---------- 返回顶部 ---------- */
.back-top {
  position: fixed;
  right: 26px; bottom: 30px;
  z-index: 150;
  width: 48px; height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(62, 214, 176, 0.45);
  border-radius: 50%;
  color: var(--c-jade);
  background: rgba(10, 36, 56, 0.85);
  backdrop-filter: blur(8px);
  box-shadow: 0 8px 22px rgba(0, 0, 0, 0.4);
  cursor: pointer;
  opacity: 0;
  transform: translateY(16px);
  pointer-events: none;
  transition: opacity 0.3s, transform 0.3s, background 0.25s, color 0.25s;
}
.back-top.show { opacity: 1; transform: none; pointer-events: auto; }
.back-top:hover {
  color: #082c22;
  background: linear-gradient(135deg, var(--c-jade), var(--c-azure));
  box-shadow: 0 10px 26px rgba(62, 214, 176, 0.4);
}

/* ---------- 灯箱 ---------- */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(3, 12, 20, 0.92);
  backdrop-filter: blur(8px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
}
.lightbox.open { opacity: 1; pointer-events: auto; }
.lightbox img {
  max-width: min(88vw, 480px);
  max-height: 86vh;
  border-radius: 14px;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.7);
}
.lightbox button {
  position: absolute;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #fff;
  cursor: pointer;
  border-radius: 50%;
  transition: background 0.25s;
}
.lightbox button:hover { background: rgba(255, 255, 255, 0.2); }
.lightbox-close { top: 26px; right: 30px; width: 46px; height: 46px; font-size: 26px; }
.lightbox-prev, .lightbox-next {
  top: 50%;
  transform: translateY(-50%);
  width: 50px; height: 50px;
  font-size: 20px;
}
.lightbox-prev { left: 24px; }
.lightbox-next { right: 24px; }

/* ---------- 下载 ---------- */
.download {
  background:
    linear-gradient(180deg, var(--c-bg) 0%, rgba(10, 44, 66, 0.95) 100%);
}
.download-inner {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  align-items: center;
  gap: 50px;
  border-radius: 24px;
  padding: 54px 56px;
  background:
    radial-gradient(ellipse 420px 240px at 90% 10%, rgba(245, 198, 107, 0.14), transparent 70%),
    linear-gradient(140deg, rgba(18, 54, 80, 0.95), rgba(9, 30, 48, 0.95));
  border: 1px solid rgba(120, 200, 230, 0.22);
  box-shadow: var(--shadow);
}
.download-copy .section-title { text-align: left; }
.download-copy .section-title::after { margin: 14px 0 0; }
.download-desc { margin-top: 18px; color: var(--c-text-dim); font-size: 15.5px; max-width: 480px; }
.download-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }
.download-tags span {
  padding: 7px 16px;
  border-radius: 999px;
  font-size: 13.5px;
  color: var(--c-gold);
  border: 1px solid rgba(245, 198, 107, 0.45);
  background: rgba(245, 198, 107, 0.08);
}
.download-btns { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 30px; }
.dl-btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 12px 26px;
  border-radius: 14px;
  border: 1px solid rgba(120, 200, 230, 0.3);
  background: rgba(255, 255, 255, 0.05);
  transition: transform 0.25s, box-shadow 0.25s, border-color 0.25s, background 0.25s;
}
.dl-btn svg { flex-shrink: 0; }
.dl-text { display: flex; flex-direction: column; align-items: flex-start; line-height: 1.3; }
.dl-text small { font-size: 12px; color: var(--c-text-dim); letter-spacing: 1px; }
.dl-text strong { font-size: 17px; letter-spacing: 2px; }
.dl-android { color: #8ee6c8; }
.dl-android:hover {
  transform: translateY(-4px);
  border-color: rgba(62, 214, 176, 0.65);
  background: rgba(62, 214, 176, 0.12);
  box-shadow: 0 12px 28px rgba(62, 214, 176, 0.22);
}
.dl-ios { color: #a9d6f5; }
.dl-ios:hover {
  transform: translateY(-4px);
  border-color: rgba(67, 184, 232, 0.65);
  background: rgba(67, 184, 232, 0.12);
  box-shadow: 0 12px 28px rgba(67, 184, 232, 0.22);
}
.dl-android .dl-text strong, .dl-ios .dl-text strong { color: var(--c-text); }

.download-qr { text-align: center; }
.qr-box {
  width: 168px; height: 168px;
  margin: 0 auto 14px;
  padding: 10px;
  border-radius: 18px;
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.45), 0 0 30px rgba(62, 214, 176, 0.2);
}
.qr-box img, .qr-box canvas { max-width: 100%; max-height: 100%; border-radius: 8px; }
.download-qr p { font-size: 15px; color: var(--c-text-dim); letter-spacing: 2px; }

/* ---------- 页脚 ---------- */
.site-footer {
  border-top: 1px solid var(--c-line);
  padding: 44px 0 34px;
  background: #04121d;
}
.footer-inner { text-align: center; }
.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  text-align: left;
}
.footer-brand img { width: 46px; height: 46px; border-radius: 12px; }
.footer-brand strong { font-family: var(--font-serif); font-size: 19px; letter-spacing: 2px; }
.footer-brand p { font-size: 13px; color: var(--c-text-dim); }
.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 6px 0;
  margin-bottom: 14px;
  font-size: 13.5px;
}
.footer-links-label { color: var(--c-text-dim); margin-right: 4px; }
.footer-links a {
  color: var(--c-text-dim);
  padding: 2px 12px;
  position: relative;
  transition: color 0.25s;
}
.footer-links a + a::before {
  content: "";
  position: absolute;
  left: 0; top: 50%;
  transform: translateY(-50%);
  width: 1px; height: 12px;
  background: rgba(157, 188, 203, 0.3);
}
.footer-links a:hover { color: var(--c-jade); }
.footer-note { font-size: 13.5px; color: var(--c-text-dim); }
.footer-copy { margin-top: 10px; font-size: 12.5px; color: rgba(157, 188, 203, 0.55); }

/* ---------- 响应式 ---------- */
@media (max-width: 992px) {
  .hero-content { grid-template-columns: 1fr; gap: 40px; text-align: center; }
  .hero-desc { margin: 0 auto; }
  .hero-meta, .hero-actions { justify-content: center; }
  .hero-visual { max-width: 460px; margin: 0 auto; }
  .about-grid { grid-template-columns: 1fr; gap: 44px; }
  .about-copy { text-align: center; }
  .about-copy .section-title::after { margin: 14px auto 0; }
  .about-points { max-width: 340px; margin: 24px auto 0; text-align: left; }
  .feature-grid, .welfare-grid { grid-template-columns: repeat(2, 1fr); }
  .download-inner { grid-template-columns: 1fr; text-align: center; padding: 44px 30px; }
  .download-copy .section-title { text-align: center; }
  .download-copy .section-title::after { margin: 14px auto 0; }
  .download-desc { margin-left: auto; margin-right: auto; }
  .download-tags, .download-btns { justify-content: center; }
}

@media (max-width: 640px) {
  .nav { height: 60px; }
  .nav-toggle { display: flex; }
  .nav-links {
    position: fixed;
    top: 60px; left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: rgba(6, 24, 38, 0.97);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--c-line);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease;
  }
  .nav-links.open { max-height: 460px; }
  .nav-links li { width: 100%; }
  .nav-links a {
    display: block;
    padding: 15px 24px;
    border-top: 1px solid rgba(120, 200, 230, 0.08);
  }
  .nav-links a.active::after { display: none; }
  .nav-links .btn-download { margin: 12px 24px 18px; text-align: center; }

  .hero { padding: 96px 0 70px; }
  .hero-title { letter-spacing: 4px; }
  .hero-badge { width: 72px; height: 72px; font-size: 16px; top: -12px; right: -8px; }
  .btn { padding: 12px 26px; font-size: 15.5px; }

  .section { padding: 68px 0; }
  .download-btns { flex-direction: column; }
  .dl-btn { width: 100%; justify-content: center; }
  .feature-grid, .welfare-grid, .video-grid { grid-template-columns: 1fr; }
  .welfare-banner { padding: 24px; }
  .welfare-big { font-size: 48px; }
  .shot-scroll { grid-auto-columns: 158px; gap: 14px; }
  .qr-popup { left: 0; transform: translateY(8px); }
  .qr-hover-wrap:hover .qr-popup { transform: translateY(0); }
  .qr-popup::after { left: 40px; }
  .lightbox-prev { left: 8px; }
  .lightbox-next { right: 8px; }
}