/* ============================================================
   领峰环球 Acetop Global — 品牌官网
   官方品牌色：蓝 #0170c1 / #005c9f   红 #ed4454 / #d53d4e
   浅色底：#ffffff · #f7f7f7 · #f1f1f1
   版式结构：lp.png 落地页板块
   ============================================================ */

:root {
  --blue: #0170c1;
  --blue-deep: #005c9f;
  --blue-dark: #003e7e;
  --red: #ed4454;
  --red-deep: #d53d4e;
  --red-dark: #ae0a1b;
  --gold: #ffd294;
  --text: #333333;
  --text-strong: #1a1a1a;
  --muted: #666666;
  --line: #e6e6e6;
  --bg: #ffffff;
  --bg-grey: #f7f7f7;
  --radius: 8px;
  --shadow: 0 10px 34px rgba(1, 112, 193, .12);
  --font: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

.container { width: min(1180px, 92%); margin: 0 auto; }
.container-narrow { width: min(880px, 92%); }
.text-blue { color: var(--blue); }
.text-red { color: var(--red); }
.text-gold { color: var(--gold); }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 28px; border-radius: 4px;
  font-size: 15px; font-weight: 600; letter-spacing: .5px;
  border: 1px solid transparent; cursor: pointer; white-space: nowrap;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease;
}
.btn-blue { background: var(--blue); color: #fff; }
.btn-blue:hover { background: var(--blue-deep); transform: translateY(-2px); box-shadow: 0 8px 22px rgba(1, 112, 193, .3); }
.btn-red { background: var(--red); color: #fff; }
.btn-red:hover { background: var(--red-deep); transform: translateY(-2px); box-shadow: 0 8px 22px rgba(237, 68, 84, .3); }
.btn-outline { border-color: var(--blue); color: var(--blue); background: #fff; }
.btn-outline:hover { background: var(--blue); color: #fff; }
.btn-lg { padding: 15px 38px; font-size: 16px; }
.btn-sm { padding: 9px 20px; font-size: 14px; }
.btn-block { width: 100%; }

/* banner-btn 样式定义见首屏 Banner 区块 */

/* ---------- 导航 ---------- */
.header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255, 255, 255, .96);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
  transition: box-shadow .3s ease;
}
.header.scrolled { box-shadow: 0 4px 20px rgba(0, 0, 0, .08); }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; height: 74px; }
.logo { display: flex; align-items: center; gap: 10px; }
.logo img { height: 36px; width: auto; display: block; }   /* PC logo：官网原图，无文字 */
.footer .logo img { height: 40px; }
.nav { display: flex; gap: 28px; }
.nav a { font-size: 15px; color: #444; position: relative; padding: 6px 0; transition: color .2s; }
.nav a::after { content: ""; position: absolute; left: 0; bottom: 0; width: 0; height: 2px; background: var(--blue); transition: width .25s ease; }
.nav a:hover { color: var(--blue); }
.nav a:hover::after { width: 100%; }
.header-cta { display: flex; align-items: center; gap: 10px; }
.nav-toggle { display: none; background: none; border: 0; cursor: pointer; padding: 6px; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--blue); margin: 5px 0; border-radius: 2px; }

/* ---------- 首屏 Banner（官网背景图 · 高度略收） ---------- */
.hero {
  position: relative; height: 86vh; min-height: 540px;
  display: flex; align-items: center; overflow: hidden;
}
.hero-media {
  position: absolute; inset: 0;
  background: url("../images/hero-banner.jpg") center / cover no-repeat;
}
/* 图片自带文案，仅加轻微底部渐晕保证按钮可读 */
.hero-media::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(2, 20, 45, .38) 100%);
}
/* 供SEO保留的隐藏标题 */
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}
/* 首屏双按钮：方块拼接 · 立体质感，贴近官网 banner 样式 */
.hero-inner { position: absolute; left: 0; right: 0; z-index: 2; top: 72%; text-align: center; }
.hero .hero-btns { display: flex; gap: 0; justify-content: center; flex-wrap: wrap; }
.hero-btns .banner-btn:first-child { border-radius: 2px 0 0 2px; }
.hero-btns .banner-btn:last-child { border-radius: 0 2px 2px 0; }
.hero-tip {
  margin-top: 18px; font-size: 12px; letter-spacing: 2px;
  color: rgba(255, 255, 255, .75); text-shadow: 0 1px 6px rgba(0, 0, 0, .5);
}

/* ---------- banner-btn 方形立体样式 ---------- */
.banner-btn {
  position: relative; display: inline-flex; align-items: center; justify-content: center; gap: 12px;
  padding: 19px 52px; border-radius: 0; overflow: hidden;
  font-size: 18px; font-weight: 700; letter-spacing: 3px; color: #fff;
  transition: transform .2s ease, box-shadow .2s ease, filter .2s ease;
}
.banner-btn .arrow { font-size: 20px; transition: transform .25s ease; }
.banner-btn:hover .arrow { transform: translateX(6px); }
/* 立体：底部深色收边 + 顶部微高光，形成浮雕感 */
.banner-btn::before {
  content: ""; position: absolute; left: 0; right: 0; top: 0; height: 38%;
  background: linear-gradient(180deg, rgba(255, 255, 255, .16), transparent);
  pointer-events: none;
}
.banner-btn::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 4px;
  background: rgba(0, 0, 0, .22); pointer-events: none;
}
.banner-btn.btn-blue {
  background: linear-gradient(180deg, #1e8fdb 0%, var(--blue) 60%, #015d9f 100%);
  box-shadow: 0 14px 34px rgba(0, 40, 90, .45), inset 0 1px 0 rgba(255, 255, 255, .3);
  text-shadow: 0 1px 3px rgba(0, 0, 0, .25);
}
.banner-btn.btn-red {
  background: linear-gradient(180deg, #f2606d 0%, var(--red) 60%, #c22f3f 100%);
  box-shadow: 0 14px 34px rgba(120, 10, 25, .45), inset 0 1px 0 rgba(255, 255, 255, .3);
  text-shadow: 0 1px 3px rgba(0, 0, 0, .25);
}
.banner-btn:hover { transform: translateY(-2px); filter: brightness(1.06); }
.banner-btn:active { transform: translateY(1px); filter: brightness(.96); }

/* ================= 15年安全运营 · 优势板块 ================= */
.adv-section { padding: 92px 0 96px; background: #f7f9fc; }
.adv-section-lighter { background: linear-gradient(180deg, #ffffff 0%, #f4f7fb 100%); }
.adv-container { width: min(1180px, 92%); margin: 0 auto; }
.adv-section-title {
  text-align: center; font-size: clamp(28px, 3.4vw, 38px); font-weight: 800;
  color: var(--text-strong); letter-spacing: 2px; line-height: 1.35;
}
.adv-section-title .adv-section-en {
  display: block; font-size: 13px; font-weight: 600; letter-spacing: 4px;
  color: var(--blue); margin-top: 10px;
}

.adv-cat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; margin-top: 48px; }

.adv-cat-card {
  position: relative; overflow: hidden; border-radius: 4px; cursor: pointer;
  aspect-ratio: 198/379; transition: all .5s ease;
  box-shadow: 0 8px 26px rgba(1, 112, 193, .1);
}
/* 默认上半部为白底（保证标题可读），悬浮时白底撤除、露出大图 */
.adv-cat-card::after {
  background-color: #fff; content: ""; position: absolute;
  width: 100%; height: 208px; top: 0; left: 0;
  transition: background-color .5s ease;
}
.adv-cat-card.is-hover::after, .adv-cat-card:hover::after { background-color: transparent; }

.adv-cat-bg {
  position: absolute; inset: 0;
  background-repeat: no-repeat; background-position: center; background-size: cover;
  transition: opacity .5s ease, transform .8s ease;
}
.adv-cat-card.is-hover .adv-cat-bg, .adv-cat-card:hover .adv-cat-bg { opacity: 1; transform: scale(1.05); }

.adv-cat-head {
  position: relative; z-index: 10; height: 100%;
  padding: 35px 27px; display: flex; flex-direction: column;
  transition: all .5s ease;
}
.adv-cat-title { font-size: 24px; color: #111; margin-bottom: 8px; letter-spacing: 1px; transition: color .5s ease; }
.adv-cat-sub {
  position: relative; font-size: 16px; color: #333;
  margin: 15px 0; line-height: 1.7; transition: color .5s ease;
}
.adv-cat-sub::after {
  content: ""; position: absolute; left: 0; bottom: -27px;
  width: 50px; height: 1px; background-color: var(--red);
}
.adv-cat-list {
  list-style: none; padding: 0; margin: 50px 0 0;
  font-size: 14px; color: #fff; line-height: 29px;
  opacity: 0; transform: translateY(12px); transition: all .5s ease;
}
.adv-cat-list li { position: relative; padding-left: 16px; }
.adv-cat-list li::before {
  content: ""; position: absolute; left: 0; top: 11px;
  width: 6px; height: 6px; border-radius: 50%; background: var(--red);
}

.adv-cat-card.is-hover .adv-cat-head, .adv-cat-card:hover .adv-cat-head {
  background: linear-gradient(180deg, rgba(10, 45, 110, .6) 0, rgba(10, 45, 110, .85) 100%);
}
.adv-cat-card.is-hover .adv-cat-title, .adv-cat-card:hover .adv-cat-title { color: #fff; }
.adv-cat-card.is-hover .adv-cat-sub, .adv-cat-card:hover .adv-cat-sub { color: rgba(255, 255, 255, .9); }
.adv-cat-card.is-hover .adv-cat-list, .adv-cat-card:hover .adv-cat-list { opacity: 1; transform: translateY(0); }

/* ================= ACETOP ADVANTAGES 满屏 ================= */
.features-full {
  position: relative; min-height: 100vh;
  display: flex; align-items: center; overflow: hidden;
  padding: 90px 0;
}
.features-bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 55% 45% at 15% 15%, rgba(237, 68, 84, .22), transparent 60%),
    radial-gradient(ellipse 60% 50% at 85% 80%, rgba(1, 112, 193, .35), transparent 62%),
    linear-gradient(160deg, #01152e 0%, #02305e 45%, #01152e 100%);
  background-color: #02305e;
}
.features-bg::after {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, .05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .05) 1px, transparent 1px);
  background-size: 58px 58px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, #000 25%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, #000 25%, transparent 75%);
}
.features-inner { position: relative; z-index: 2; width: min(1180px, 92%); margin: 0 auto; }
.sec-title-light { color: #fff; }
.sec-sub-light { color: rgba(255, 255, 255, .75); }
.sec-tag-light { color: var(--gold); }

.adv-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  grid-auto-rows: 1fr; gap: 22px; margin-top: 48px;
}
.adv-card {
  background: rgba(255, 255, 255, .07);
  border: 1px solid rgba(255, 255, 255, .16);
  border-radius: 10px; padding: 30px 26px;
  display: flex; flex-direction: column;
  backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
  transition: transform .3s ease, background .3s ease, border-color .3s ease;
}
.adv-card:hover {
  transform: translateY(-6px);
  background: rgba(255, 255, 255, .12);
  border-color: rgba(255, 210, 148, .5);
}
.adv-icon {
  width: 52px; height: 52px; border-radius: 10px; font-size: 25px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(1, 112, 193, .35); border: 1px solid rgba(255, 255, 255, .22);
}
.adv-card h3 { font-size: 18px; margin: 18px 0 10px; color: #fff; letter-spacing: .5px; }
.adv-card p { font-size: 14px; color: rgba(255, 255, 255, .72); flex: 1; }

/* ---------- 通用 Section ---------- */
.section { padding: 92px 0; }
.section-light { background: var(--bg); }
.section-grey { background: var(--bg-grey); }
.sec-tag { font-size: 12px; letter-spacing: 4px; color: var(--blue); margin-bottom: 12px; text-align: center; }
.sec-title { font-size: clamp(26px, 3.4vw, 38px); font-weight: 800; line-height: 1.32; color: #fff; text-align: center; letter-spacing: .5px; }
.sec-sub { max-width: 640px; margin: 16px auto 0; color: var(--muted); text-align: center; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 52px; }

.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 30px 28px;
  transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease;
}
.card:hover { transform: translateY(-6px); border-color: var(--blue); box-shadow: var(--shadow); }

/* ---------- SMART TRADING ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.sec-sub-left { color: var(--muted); margin: 16px 0 24px; max-width: 520px; }
.split-text .sec-tag, .split-text .sec-title { text-align: left; }
.check-list { margin: 0 0 30px; display: grid; gap: 14px; }
.check-list li { position: relative; padding-left: 32px; color: #555; font-size: 14.5px; }
.check-list li::before {
  content: "✓"; position: absolute; left: 0; top: 2px;
  width: 21px; height: 21px; border-radius: 50%;
  background: rgba(1, 112, 193, .1); color: var(--blue);
  font-size: 12px; display: flex; align-items: center; justify-content: center; font-weight: 700;
}
.check-list-light li { color: rgba(255, 255, 255, .82); }
.check-list-light li::before { background: rgba(255, 255, 255, .16); color: var(--gold); }
.split-img { display: flex; justify-content: center; }
.split-img img {
  width: 100%; max-width: 660px; height: auto;
  filter: drop-shadow(0 18px 40px rgba(1, 112, 193, .25));
}

/* ---------- 赠金套餐 ---------- */
.price-card { text-align: center; position: relative; display: flex; flex-direction: column; }
.price-card-hot { border: 2px solid var(--blue); }
.hot-badge {
  position: absolute; top: -13px; left: 50%; transform: translateX(-50%);
  background: var(--red); color: #fff; font-size: 12px; font-weight: 700;
  padding: 5px 20px; border-radius: 100px; letter-spacing: 2px;
}
.price-name { font-size: 15px; color: var(--muted); letter-spacing: 2px; }
.price-value { margin: 14px 0 4px; }
.price-value b { font-size: 46px; font-weight: 800; color: var(--blue); letter-spacing: -1px; }
.price-value span { font-size: 15px; margin-left: 8px; }
.price-note { font-size: 13px; color: var(--muted); padding-bottom: 18px; border-bottom: 1px solid var(--line); }
.price-list { margin: 18px 0 26px; display: grid; gap: 11px; flex: 1; }
.price-list li { position: relative; padding-left: 26px; text-align: left; font-size: 14px; }
.price-list li::before { content: "✓"; position: absolute; left: 0; color: var(--red); font-weight: 700; }
.pricing-foot { text-align: center; margin-top: 40px; color: var(--muted); font-size: 14px; }
.pricing-foot a { border-bottom: 1px dashed var(--blue); }

/* ---------- 安全横幅 ---------- */
.banner {
  background: linear-gradient(120deg, #02305e 0%, #0170c1 60%, #ed4454 180%);
  padding: 62px 0;
}
.banner-inner { display: flex; align-items: center; justify-content: space-between; gap: 40px; flex-wrap: wrap; }
.banner-title { font-size: clamp(22px, 2.8vw, 32px); font-weight: 800; line-height: 1.45; color: #fff; }
.banner-sub { margin-top: 10px; color: rgba(255, 255, 255, .8); font-size: 14px; letter-spacing: 1px; }

/* ---------- 客户评价 ---------- */
.review-card .stars { color: #f5a623; font-size: 15px; letter-spacing: 4px; }
.review-text { margin: 16px 0 22px; font-size: 14.5px; color: #444; }
.review-user { display: flex; align-items: center; gap: 12px; border-top: 1px solid var(--line); padding-top: 18px; }
.review-user b { display: block; font-size: 14.5px; }
.review-user small { color: var(--muted); font-size: 12px; }
.avatar {
  width: 44px; height: 44px; border-radius: 50%; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-weight: 800; font-size: 17px;
}
.avatar-blue { background: var(--blue); }
.avatar-red { background: var(--red); }

/* ================= APP 满屏 ================= */
.app-full {
  position: relative; min-height: 100vh;
  display: flex; align-items: center; overflow: hidden; padding: 90px 0;
}
.app-bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 45% 50% at 12% 30%, rgba(237, 68, 84, .28), transparent 60%),
    radial-gradient(ellipse 55% 55% at 88% 75%, rgba(255, 210, 148, .16), transparent 62%),
    linear-gradient(135deg, #01152e 0%, #02305e 45%, #0170c1 100%);
}
.app-full-inner {
  position: relative; z-index: 2; width: min(1180px, 92%); margin: 0 auto;
  display: grid; grid-template-columns: 1fr 1.05fr; gap: 56px; align-items: center;
}
.app-visual { display: flex; justify-content: center; }
.app-visual img {
  width: 100%; max-width: 540px;
  filter: drop-shadow(0 26px 52px rgba(0, 0, 0, .5));
}
.app-text .sec-tag, .app-text .sec-title { text-align: left; }
.app-desc { color: rgba(255, 255, 255, .8); font-size: 15px; margin: 20px 0 24px; max-width: 560px; }

.dl-wrap { display: flex; gap: 20px; margin-top: 28px; flex-wrap: wrap; }
/* 按钮与二维码等宽对齐（精巧尺寸） */
.dl-item { width: 148px; display: flex; flex-direction: column; gap: 12px; }
.store-btn {
  display: flex; align-items: center; justify-content: center; gap: 8px;
  width: 100%; padding: 9px 8px; border-radius: 8px;
  background: var(--blue); color: #fff;
  border: 1px solid rgba(255, 255, 255, .22);
  transition: transform .2s ease, box-shadow .2s ease, filter .2s ease;
}
.store-btn-red { background: var(--red); }
.store-btn:hover { transform: translateY(-3px); filter: brightness(1.08); box-shadow: 0 12px 28px rgba(0, 0, 0, .35); }
.store-btn svg { width: 19px; height: 19px; color: #fff; flex-shrink: 0; }
.store-btn span { display: flex; flex-direction: column; line-height: 1.25; text-align: left; }
.store-btn small { font-size: 8.5px; opacity: .8; letter-spacing: .5px; }
.store-btn b { font-size: 13px; }

.qr-box {
  width: 100%; background: #fff; border-radius: 9px; padding: 9px 9px 7px;
  text-align: center; box-shadow: 0 10px 24px rgba(0, 0, 0, .32);
  border: 1px solid rgba(255, 255, 255, .6);
}
.qr-box img { width: 100%; height: auto; border-radius: 4px; }
.qr-box p { margin-top: 6px; font-size: 10.5px; font-weight: 600; color: var(--blue); letter-spacing: .5px; }
.store-btn-red + .qr-box p { color: var(--red); }
.app-meta { margin-top: 26px; font-size: 12.5px; color: rgba(255, 255, 255, .6); letter-spacing: 1px; }

/* ---------- FAQ ---------- */
.faq-list { margin-top: 44px; display: grid; gap: 14px; }
.faq-item { background: #fff; border: 1px solid var(--line); border-radius: 8px; overflow: hidden; transition: border-color .25s; }
.faq-item[open] { border-color: var(--blue); box-shadow: var(--shadow); }
.faq-item summary {
  list-style: none; cursor: pointer; padding: 20px 56px 20px 24px;
  font-size: 15.5px; font-weight: 600; color: var(--text-strong); position: relative; user-select: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-icon { position: absolute; right: 22px; top: 50%; width: 22px; height: 22px; transform: translateY(-50%); }
.faq-icon::before, .faq-icon::after { content: ""; position: absolute; background: var(--red); border-radius: 2px; transition: transform .25s ease; }
.faq-icon::before { width: 14px; height: 2px; left: 4px; top: 10px; }
.faq-icon::after { width: 2px; height: 14px; left: 10px; top: 4px; }
.faq-item[open] .faq-icon::after { transform: rotate(90deg); }
.faq-body { padding: 0 24px 22px; color: var(--muted); font-size: 14px; }

/* ---------- 市场资讯 ---------- */
.news-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.news-head .sec-tag, .news-head .sec-title { text-align: left; }
.news-grid { display: grid; grid-template-columns: 1.35fr 1fr; gap: 24px; margin-top: 46px; }
.news-col { display: grid; gap: 24px; }
.news-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; display: flex; flex-direction: column;
  transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease;
}
.news-card:hover { transform: translateY(-6px); border-color: var(--blue); box-shadow: var(--shadow); }
.news-cover { overflow: hidden; }
.news-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.news-card:hover .news-cover img { transform: scale(1.06); }
.news-card-lg .news-cover { height: 300px; }
.news-body { padding: 24px 26px; }
.news-meta { font-size: 12px; color: var(--muted); letter-spacing: 1px; margin-bottom: 8px; }
.news-card h3 { font-size: 17px; line-height: 1.55; color: var(--text-strong); transition: color .2s; }
.news-card:hover h3 { color: var(--blue); }
.news-desc { margin-top: 10px; font-size: 13.5px; color: var(--muted); }
.news-card-sm { flex-direction: row; align-items: stretch; }
.news-card-sm .news-cover { width: 150px; min-width: 150px; }
.news-card-sm .news-body { padding: 18px 20px; display: flex; flex-direction: column; justify-content: center; }
.news-card-sm h3 { font-size: 14.5px; }

/* ---------- 底部 CTA ---------- */
.cta { text-align: center; padding: 88px 0; background: linear-gradient(120deg, #01152e, #02305e 55%, #0170c1 100%); }
.cta .hero-btns { margin-top: 34px; }

/* ---------- 页脚 ---------- */
.footer { background: #0d1f38; padding: 66px 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.7fr 1fr 1fr; gap: 44px; padding-bottom: 46px; }
.footer-desc { margin: 18px 0 16px; font-size: 13.5px; color: rgba(255, 255, 255, .6); }
.footer-badge {
  display: inline-block; font-size: 12px; color: var(--gold); letter-spacing: 1px;
  border: 1px solid rgba(255, 210, 148, .4); border-radius: 100px; padding: 6px 16px;
}
.footer-col h4 { font-size: 15px; margin-bottom: 18px; color: #fff; letter-spacing: 1px; }
.footer-col a { display: block; font-size: 13.5px; color: rgba(255, 255, 255, .6); padding: 6px 0; transition: color .2s, transform .2s; }
.footer-col a:hover { color: var(--gold); transform: translateX(3px); }
.footer-cta-box p { font-size: 13px; color: rgba(255, 255, 255, .6); margin-bottom: 16px; }
.footer-legal { border-top: 1px solid rgba(255, 255, 255, .1); padding: 24px 0 30px; }
.risk-note { font-size: 12px; color: rgba(255, 255, 255, .45); line-height: 1.8; }
.copyright { margin-top: 12px; font-size: 12.5px; color: rgba(255, 255, 255, .55); }
.copyright a { color: var(--gold); }

/* ---------- 入场动画 ---------- */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .7s ease, transform .7s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .adv-cat-grid { grid-template-columns: repeat(2, 1fr); }
  .adv-cat-card { aspect-ratio: 198/300; }
  .adv-section { padding: 72px 0 76px; }
  .features-full, .app-full { min-height: auto; padding: 76px 0; }
  .app-full-inner, .split { grid-template-columns: 1fr; gap: 40px; }
  .split-img { order: -1; }
  .adv-grid, .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .news-grid { grid-template-columns: 1fr; }
  .index-h2 { font-size: 28px; }
  /* 触屏无 hover：优势卡片文案直接展开 */
  .adv-cat-card::after { background-color: transparent; }
  .adv-cat-head { background: linear-gradient(180deg, rgba(10, 45, 110, .6) 0, rgba(10, 45, 110, .85) 100%); }
  .adv-cat-title { color: #fff; }
  .adv-cat-sub { color: rgba(255, 255, 255, .9); }
  .adv-cat-list { opacity: 1; transform: none; }
}
@media (max-width: 640px) {
  .nav {
    position: fixed; top: 74px; right: 0; width: min(78vw, 320px);
    height: calc(100vh - 74px); background: #fff;
    flex-direction: column; gap: 6px; padding: 26px 28px;
    border-left: 1px solid var(--line); transform: translateX(100%);
    transition: transform .3s ease; z-index: 99;
  }
  .nav.open { transform: translateX(0); }
  .nav a { padding: 12px 0; font-size: 16px; }
  .nav-toggle { display: block; }
  .header-cta .btn-red { display: none; }
  .section { padding: 60px 0; }
  .adv-grid, .grid-3 { grid-template-columns: 1fr; }
  .adv-cat-grid { grid-template-columns: 1fr; }
  .adv-cat-card { aspect-ratio: 198/260; }
  .adv-cat-card::after { height: 190px; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .news-card-sm { flex-direction: column; }
  .news-card-sm .news-cover { width: 100%; height: 150px; }
  .news-card-lg .news-cover { height: 200px; }
  .banner-inner { flex-direction: column; text-align: center; }
  .hero { height: 74vh; min-height: 460px; }
  .hero-media { background-position: 26% center; }
  .hero-inner { top: auto; bottom: 7%; }
  .hero-btns { gap: 10px; flex-direction: column; align-items: center; }
  .hero-btns .banner-btn { border-radius: 2px !important; width: min(320px, 84vw); }
  .banner-btn { padding: 14px 30px; font-size: 15px; letter-spacing: 2px; }
  .hero-tip { margin-top: 14px; font-size: 11px; }
  .qr-box { display: none; }        /* 移动端不显示二维码 */
  .dl-wrap { gap: 14px; }
  .dl-item { width: 100%; }
}

/* ================= 右侧下载浮窗 ================= */
.qrcode-float {
  position: fixed;
  bottom: 100px;
  right: 40px;
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
  z-index: 10000;
  width: 180px;
  transition: all 0.3s ease;
  background: url('../images/appDownloadBG.png') no-repeat top center;
  background-size: cover;
  padding-top: 60px;
}
.qrcode-float:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
}
.qrcode-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0 20px 20px;
}
.qrcode-item {
  text-align: center;
  margin-bottom: 15px;
  width: 100%;
}
.qrcode-item:last-child {
  margin-bottom: 0;
}
.qrcode-item img {
  width: 100%;
  border: 1px solid #eee;
  border-radius: 8px;
  padding: 5px;
  background: #fff;
  display: block;
}
.qrcode-item p {
  margin-top: 8px;
  font-size: 16px;
  color: #333;
  font-weight: 500;
}
/* 平板及以下隐藏浮窗（移动端有专属LP页面） */
@media (max-width: 1024px) {
  .qrcode-float { display: none; }
}