:root {
  --navy: #0c2843;
  --navy-2: #123a5f;
  --blue: #1857a4;
  --blue-l: #eaf1fa;
  --gold: #c39a4e;
  --gold-l: #fbf5e8;
  --ink: #16202c;
  --text: #2b3a4a;
  --muted: #64748b;
  --line: #e3e9f0;
  --bg: #f6f8fb;
  --white: #fff;
  --ok: #12805c;
  --err: #c0392b;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(12, 40, 67, 0.08);
  --shadow-h: 0 18px 44px rgba(12, 40, 67, 0.16);
  --max: 1180px;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.7;
  font-size: 15px;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { color: var(--ink); line-height: 1.3; margin: 0; font-weight: 700; letter-spacing: -0.2px; }
p { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }
input, textarea, select, button { font-family: inherit; font-size: 15px; }
.container { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 20px; }
.section { padding: 78px 0; }
.section--gray { background: var(--bg); }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 48px; }
.section-head .eyebrow {
  display: inline-block; font-size: 12px; letter-spacing: 3px; color: var(--gold);
  font-weight: 700; text-transform: uppercase; margin-bottom: 12px;
}
.section-head h2 { font-size: 32px; margin-bottom: 14px; }
.section-head p { color: var(--muted); }

/* ===== 顶部条 + 导航 ===== */
.topbar {
  background: var(--navy); color: #c9d8e6; font-size: 13px;
}
.topbar .container { display: flex; justify-content: space-between; align-items: center; height: 38px; }
.topbar a { color: #e7eef5; }
.topbar a:hover { color: var(--gold); }
.topbar-left span + span { margin-left: 22px; }
.topbar-left i { font-style: normal; opacity: .7; margin-right: 6px; }

.site-header {
  position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,.96);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--line);
}
.site-header .container { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark {
  width: 42px; height: 42px; border-radius: 11px; flex: none;
  background: linear-gradient(135deg, var(--navy), var(--blue));
  color: #fff; display: grid; place-items: center; font-weight: 800; font-size: 18px;
  box-shadow: 0 6px 16px rgba(24,87,164,.28);
}
.brand-text strong { display: block; font-size: 17px; color: var(--ink); letter-spacing: .5px; }
.brand-text small { display: block; font-size: 11px; color: var(--muted); letter-spacing: 1.4px; }

.nav { display: flex; align-items: center; gap: 4px; }
.nav a {
  padding: 9px 15px; border-radius: 9px; font-size: 15px; color: var(--text); font-weight: 500;
  transition: .18s;
}
.nav a:hover { background: var(--blue-l); color: var(--blue); }
.nav a.active { color: var(--blue); font-weight: 700; }
.nav a.active::after {
  content: ""; display: block; width: 18px; height: 2px; background: var(--gold);
  margin: 4px auto -6px; border-radius: 2px;
}
.header-actions { display: flex; align-items: center; gap: 10px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 42px; padding: 0 22px; border-radius: 10px; border: 1px solid transparent;
  font-weight: 600; font-size: 15px; cursor: pointer; transition: .2s; white-space: nowrap;
}
.btn--primary { background: linear-gradient(135deg, var(--blue), #1b6dc9); color: #fff; box-shadow: 0 8px 20px rgba(24,87,164,.24); }
.btn--primary:hover { transform: translateY(-1px); box-shadow: 0 12px 26px rgba(24,87,164,.34); }
.btn--gold { background: linear-gradient(135deg, #c8a054, #b0812f); color: #fff; box-shadow: 0 8px 20px rgba(176,129,47,.26); }
.btn--gold:hover { transform: translateY(-1px); }
.btn--ghost { border-color: var(--line); background: #fff; color: var(--text); }
.btn--ghost:hover { border-color: var(--blue); color: var(--blue); }
.btn--light { background: rgba(255,255,255,.14); color: #fff; border-color: rgba(255,255,255,.32); }
.btn--light:hover { background: rgba(255,255,255,.22); }
.btn--sm { height: 36px; padding: 0 16px; font-size: 14px; border-radius: 8px; }
.btn--block { width: 100%; }

.burger { display: none; width: 42px; height: 42px; border: 1px solid var(--line); background: #fff; border-radius: 10px; cursor: pointer; }
.burger span { display: block; width: 18px; height: 2px; background: var(--ink); margin: 4px auto; border-radius: 2px; transition: .2s; }

/* ===== Hero ===== */
.hero {
  position: relative; overflow: hidden; color: #fff;
  background: radial-gradient(1200px 500px at 78% -10%, #1d5c9e 0%, transparent 60%),
              linear-gradient(135deg, #081d31 0%, #0c2843 45%, #14416c 100%);
}
.hero::after {
  content: ""; position: absolute; inset: 0; opacity: .16; pointer-events: none;
  background-image: linear-gradient(rgba(255,255,255,.5) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255,255,255,.5) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(circle at 70% 20%, #000, transparent 72%);
  -webkit-mask-image: radial-gradient(circle at 70% 20%, #000, transparent 72%);
}
.hero .container { position: relative; z-index: 2; padding-top: 84px; padding-bottom: 92px; display: grid; grid-template-columns: 1.08fr .92fr; gap: 56px; align-items: center; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px; padding: 7px 14px; border-radius: 999px;
  background: rgba(195,154,78,.16); border: 1px solid rgba(195,154,78,.42);
  color: #f0d9a8; font-size: 13px; font-weight: 600; margin-bottom: 22px;
}
.hero h1 { font-size: 46px; line-height: 1.22; color: #fff; margin-bottom: 18px; letter-spacing: -1px; }
.hero h1 em { font-style: normal; color: #e8c078; }
.hero p.lead { font-size: 17px; color: #c3d6e8; max-width: 560px; }
.hero-actions { display: flex; gap: 14px; margin-top: 32px; flex-wrap: wrap; }
.hero-trust { display: flex; gap: 26px; margin-top: 36px; flex-wrap: wrap; }
.hero-trust li { font-size: 13px; color: #a9c2d8; display: flex; align-items: center; gap: 7px; }
.hero-trust li::before { content: "✓"; color: #7fd6a8; font-weight: 800; }

.hero-card {
  background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.16);
  border-radius: 18px; padding: 26px; backdrop-filter: blur(8px);
  box-shadow: 0 30px 70px rgba(0,0,0,.3);
}
.hero-card h3 { color: #fff; font-size: 17px; margin-bottom: 4px; }
.hero-card .hint { font-size: 13px; color: #9fb9d0; margin-bottom: 18px; }
.hero-form .row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 12px; }
.hero-form input, .hero-form select {
  width: 100%; height: 44px; padding: 0 14px; border-radius: 10px; font-size: 14px;
  border: 1px solid rgba(255,255,255,.2); background: rgba(255,255,255,.94); color: var(--ink);
  outline: none; transition: .2s;
}
.hero-form input:focus, .hero-form select:focus { border-color: var(--gold); box-shadow: 0 0 0 3px rgba(195,154,78,.24); }
.hero-form .note { font-size: 12px; color: #9fb9d0; text-align: center; margin-top: 12px; }

/* ===== 数据条 ===== */
.stats { background: var(--navy-2); color: #fff; }
.stats .container { display: grid; grid-template-columns: repeat(4, 1fr); }
.stats div { padding: 26px 10px; text-align: center; border-right: 1px solid rgba(255,255,255,.1); }
.stats div:last-child { border-right: 0; }
.stats b { font-size: 32px; color: #e8c078; font-weight: 800; letter-spacing: -.5px; }
.stats b i { font-size: 16px; font-style: normal; margin-left: 2px; }
.stats span { display: block; font-size: 13px; color: #b7cadd; margin-top: 2px; }

/* ===== 卡片网格 ===== */
.grid { display: grid; gap: 24px; }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--2 { grid-template-columns: repeat(2, 1fr); }

.svc {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 30px 26px;
  transition: .24s; position: relative; overflow: hidden;
}
.svc::before {
  content: ""; position: absolute; left: 0; top: 0; width: 100%; height: 3px;
  background: linear-gradient(90deg, var(--blue), var(--gold)); opacity: 0; transition: .24s;
}
.svc:hover { transform: translateY(-4px); box-shadow: var(--shadow-h); border-color: transparent; }
.svc:hover::before { opacity: 1; }
.svc-icon {
  width: 52px; height: 52px; border-radius: 13px; display: grid; place-items: center;
  background: var(--blue-l); color: var(--blue); font-size: 22px; font-weight: 800; margin-bottom: 18px;
}
.svc h3 { font-size: 19px; margin-bottom: 8px; }
.svc p { color: var(--muted); font-size: 14.5px; min-height: 66px; }
.svc-foot { display: flex; align-items: center; justify-content: space-between; margin-top: 16px; padding-top: 16px; border-top: 1px dashed var(--line); }
.svc-price { color: var(--gold); font-weight: 700; font-size: 15px; }
.svc-more { font-size: 13px; color: var(--blue); font-weight: 600; }
.svc-tags { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 14px; }
.svc-tags span { font-size: 12px; color: #4a6b8a; background: #f1f5fa; padding: 3px 9px; border-radius: 6px; }

.adv { padding: 28px 24px; border-radius: var(--radius); background: #fff; border: 1px solid var(--line); transition: .2s; }
.adv:hover { border-color: #cfe0f3; box-shadow: var(--shadow); }
.adv b { display: block; font-size: 16px; color: var(--ink); margin-bottom: 8px; padding-left: 14px; position: relative; }
.adv b::before { content: ""; position: absolute; left: 0; top: 8px; width: 4px; height: 16px; border-radius: 3px; background: var(--gold); }
.adv p { color: var(--muted); font-size: 14px; }

/* ===== 流程 ===== */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; counter-reset: s; }
.step { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 30px 24px; position: relative; }
.step b { font-size: 30px; color: #dbe7f4; font-weight: 800; letter-spacing: -1px; }
.step h4 { font-size: 16px; margin: 6px 0 8px; }
.step p { font-size: 13.5px; color: var(--muted); }

/* ===== 资讯 ===== */
.news-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 26px;
  display: flex; flex-direction: column; transition: .22s;
}
.news-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-h); border-color: transparent; }
.news-cat { align-self: flex-start; font-size: 12px; color: var(--blue); background: var(--blue-l); padding: 4px 10px; border-radius: 6px; font-weight: 600; }
.news-card h3 { font-size: 17px; margin: 14px 0 10px; }
.news-card p { font-size: 14px; color: var(--muted); flex: 1; }
.news-meta { font-size: 12.5px; color: #94a3b8; margin-top: 16px; padding-top: 14px; border-top: 1px solid var(--line); display: flex; justify-content: space-between; }

.news-list { display: grid; gap: 16px; }
.news-item { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 24px 26px; transition: .2s; }
.news-item:hover { border-color: #cfe0f3; box-shadow: var(--shadow); }
.news-item h3 { font-size: 18px; margin-bottom: 8px; }
.news-item p { color: var(--muted); font-size: 14px; }
.news-item .news-meta { border: 0; padding: 0; margin-top: 12px; justify-content: flex-start; gap: 18px; }

/* ===== CTA ===== */
.cta { background: linear-gradient(120deg, #0c2843, #17548c); color: #fff; border-radius: 20px; padding: 52px 56px; display: flex; align-items: center; justify-content: space-between; gap: 32px; flex-wrap: wrap; }
.cta h2 { color: #fff; font-size: 28px; margin-bottom: 10px; }
.cta p { color: #b9cee2; max-width: 560px; }

/* ===== 页面头 ===== */
.page-head { background: linear-gradient(120deg, #0c2843, #15466f); color: #fff; padding: 54px 0; }
.page-head h1 { color: #fff; font-size: 34px; margin-bottom: 8px; }
.page-head p { color: #b6cadd; }
.crumb { font-size: 13px; color: #9ab3c9; margin-bottom: 12px; }
.crumb a:hover { color: var(--gold); }

/* ===== 表单 ===== */
.card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 32px; }
.field { margin-bottom: 18px; }
.field label { display: block; font-size: 14px; font-weight: 600; color: var(--ink); margin-bottom: 7px; }
.field label .req { color: var(--err); margin-left: 2px; }
.field input, .field select, .field textarea {
  width: 100%; padding: 11px 14px; border: 1px solid #d8e1ec; border-radius: 10px;
  background: #fff; color: var(--ink); outline: none; transition: .18s;
}
.field textarea { resize: vertical; min-height: 120px; line-height: 1.6; }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(24,87,164,.1); }
.field .hint { font-size: 12.5px; color: #8a9bb0; margin-top: 6px; }
.row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.captcha-row { display: flex; gap: 12px; align-items: center; }
.captcha-row input { flex: 1; }
.captcha-row img { height: 44px; width: 122px; border-radius: 8px; border: 1px solid #d8e1ec; cursor: pointer; background: #f3f6fb; }

.alert { border-radius: 10px; padding: 12px 16px; font-size: 14px; margin-bottom: 18px; }
.alert--err { background: #fdecea; color: #a5281b; border: 1px solid #f7cfc9; }
.alert--ok { background: #e8f7f0; color: #116b4c; border: 1px solid #c3e9d7; }
.alert ul { list-style: none; }
.alert li + li { margin-top: 4px; }

.toast {
  position: fixed; top: 86px; left: 50%; transform: translateX(-50%) translateY(-16px);
  z-index: 200; padding: 13px 22px; border-radius: 11px; font-size: 14px; font-weight: 600;
  box-shadow: 0 14px 40px rgba(0,0,0,.16); opacity: 0; transition: .3s; pointer-events: none;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.toast.ok { background: #116b4c; color: #fff; }
.toast.err { background: #b3382b; color: #fff; }

/* ===== 登录/注册 ===== */
.auth-wrap { min-height: calc(100vh - 72px); display: grid; grid-template-columns: 1fr 1fr; background: var(--bg); }
.auth-side {
  background: linear-gradient(150deg, #0c2843, #17548c); color: #fff; padding: 60px 56px;
  display: flex; flex-direction: column; justify-content: center; position: relative; overflow: hidden;
}
.auth-side::after {
  content: ""; position: absolute; width: 420px; height: 420px; border-radius: 50%;
  background: radial-gradient(circle, rgba(195,154,78,.35), transparent 70%); right: -140px; bottom: -140px;
}
.auth-side h2 { color: #fff; font-size: 30px; margin-bottom: 16px; }
.auth-side p { color: #b9cee2; }
.auth-side ul { margin-top: 34px; display: grid; gap: 14px; }
.auth-side li { display: flex; gap: 10px; font-size: 14.5px; color: #d3e2ef; }
.auth-side li::before { content: "✓"; color: #7fd6a8; font-weight: 800; }
.auth-main { display: grid; place-items: center; padding: 50px 24px; }
.auth-box { width: 100%; max-width: 430px; }
.auth-box h1 { font-size: 26px; margin-bottom: 8px; }
.auth-box .sub { color: var(--muted); font-size: 14px; margin-bottom: 26px; }
.auth-alt { text-align: center; font-size: 14px; color: var(--muted); margin-top: 20px; }
.auth-alt a { color: var(--blue); font-weight: 600; }
.checkline { display: flex; align-items: flex-start; gap: 9px; font-size: 13.5px; color: var(--muted); }
.checkline input { width: 16px; height: 16px; margin-top: 3px; flex: none; }

/* ===== 会员中心 ===== */
.acct { display: grid; grid-template-columns: 250px 1fr; gap: 26px; align-items: start; }
.acct-side { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.acct-user { padding: 26px 22px; background: linear-gradient(140deg, #0c2843, #17548c); color: #fff; }
.acct-user .avatar {
  width: 52px; height: 52px; border-radius: 50%; background: rgba(255,255,255,.18);
  display: grid; place-items: center; font-size: 20px; font-weight: 800; margin-bottom: 12px;
}
.acct-user strong { display: block; font-size: 16px; }
.acct-user small { color: #a9c2d8; font-size: 12.5px; }
.acct-menu a { display: block; padding: 13px 22px; font-size: 14.5px; color: var(--text); border-left: 3px solid transparent; }
.acct-menu a:hover { background: #f5f9fd; }
.acct-menu a.active { border-left-color: var(--gold); background: var(--blue-l); color: var(--blue); font-weight: 600; }
.acct-main h2 { font-size: 20px; margin-bottom: 6px; }
.acct-main .lead { color: var(--muted); font-size: 14px; margin-bottom: 22px; }
.msg-item { border: 1px solid var(--line); border-radius: 11px; padding: 18px 20px; margin-bottom: 14px; background: #fff; }
.msg-item .top { display: flex; justify-content: space-between; gap: 14px; font-size: 13px; color: #8a9bb0; margin-bottom: 8px; }
.msg-item .body { font-size: 14.5px; color: var(--text); }
.msg-item .reply { margin-top: 12px; padding: 12px 14px; background: var(--gold-l); border-radius: 9px; font-size: 14px; color: #6b5220; }
.badge { font-size: 12px; padding: 3px 9px; border-radius: 6px; font-weight: 600; }
.badge--wait { background: #fff4e5; color: #a56a12; }
.badge--done { background: #e8f7f0; color: #116b4c; }
.empty { text-align: center; padding: 46px 20px; color: #8a9bb0; font-size: 14px; border: 1px dashed var(--line); border-radius: 11px; }

/* ===== FAQ / 正文 ===== */
.faq details { background: #fff; border: 1px solid var(--line); border-radius: 11px; padding: 18px 22px; margin-bottom: 12px; }
.faq summary { cursor: pointer; font-weight: 600; color: var(--ink); list-style: none; display: flex; justify-content: space-between; gap: 12px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--blue); font-weight: 700; }
.faq details[open] summary::after { content: "−"; }
.faq p { margin-top: 12px; color: var(--muted); font-size: 14.5px; }

.prose { font-size: 16px; line-height: 1.95; color: #34455a; }
.prose h2 { font-size: 21px; margin: 34px 0 14px; padding-left: 14px; border-left: 4px solid var(--gold); }
.prose h3 { font-size: 17px; margin: 24px 0 10px; }
.prose p { margin-bottom: 16px; }
.prose ul { list-style: disc; padding-left: 22px; margin-bottom: 16px; }
.prose li { margin-bottom: 6px; }

/* ===== 页脚 ===== */
.site-footer { background: #081c2e; color: #9db4c9; padding: 60px 0 0; font-size: 14px; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.2fr; gap: 40px; padding-bottom: 44px; }
.site-footer h4 { color: #fff; font-size: 15px; margin-bottom: 18px; }
.site-footer a:hover { color: var(--gold); }
.footer-brand .brand-text strong { color: #fff; }
.footer-brand .brand-text small { color: #7f9ab1; }
.footer-brand p { margin-top: 16px; line-height: 1.8; color: #8fa8bd; font-size: 13.5px; }
.footer-links li { margin-bottom: 11px; }
.footer-contact li { margin-bottom: 12px; display: flex; gap: 10px; line-height: 1.6; }
.footer-contact i { font-style: normal; color: var(--gold); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.08); padding: 20px 0; font-size: 13px; color: #78909c; display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.footer-bottom a { color: #93a9bd; }

/* ===== 动画 ===== */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } }

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .hero .container { grid-template-columns: 1fr; gap: 40px; padding-top: 64px; padding-bottom: 70px; }
  .hero h1 { font-size: 38px; }
  .grid--3 { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .acct { grid-template-columns: 1fr; }
  .auth-wrap { grid-template-columns: 1fr; }
  .auth-side { display: none; }
}
@media (max-width: 720px) {
  .topbar-left span:nth-child(2) { display: none; }
  .nav {
    position: absolute; top: 72px; left: 0; right: 0; background: #fff; flex-direction: column;
    align-items: stretch; padding: 10px 16px 18px; box-shadow: 0 18px 30px rgba(12,40,67,.12);
    border-bottom: 1px solid var(--line); display: none;
  }
  .nav.open { display: flex; }
  .nav a { padding: 12px 14px; }
  .burger { display: block; }
  .header-actions .btn--ghost { display: none; }
  .section { padding: 56px 0; }
  .section-head h2 { font-size: 25px; }
  .hero h1 { font-size: 30px; }
  .hero p.lead { font-size: 15px; }
  .grid--3, .grid--2, .steps, .row-2, .stats .container, .footer-grid { grid-template-columns: 1fr; }
  .hero-form .row { grid-template-columns: 1fr; }
  .stats div { border-right: 0; border-bottom: 1px solid rgba(255,255,255,.08); }
  .cta { padding: 34px 26px; }
  .cta h2 { font-size: 22px; }
  .page-head h1 { font-size: 26px; }
  .card { padding: 24px 20px; }
  .footer-bottom { flex-direction: column; }
}