/* 每日大赛统一样式 */
:root {
  --bg: #F5F7FF;
  --ink: #1F2740;
  --title: #131A35;
  --muted: #66708A;
  --soft: #9AA4BA;
  --brand: #5B6CFF;
  --purple: #7A5CFF;
  --cyan: #00D4FF;
  --gold: #FFC857;
  --rose: #D94F70;
  --navy: #16213E;
  --deep: #11182F;
  --card: #FFFFFF;
  --pale-blue: #EFF8FF;
  --pale-gold: #FFF4D6;
  --border: rgba(91,108,255,.18);
  --shadow: 0 20px 46px rgba(25,43,91,.14);
  --radius: 24px;
  --container: 1240px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--ink); font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans CJK SC", Arial, sans-serif; line-height: 1.75; overflow-x: hidden; }
body.drawer-open { overflow: hidden; }
img { display: block; max-width: 100%; height: auto; object-fit: contain; }
a { color: inherit; }
button, input, textarea { font: inherit; }
.skip-link { position: fixed; left: 16px; top: -80px; z-index: 12000; padding: 10px 16px; background: #fff; color: var(--title); border-radius: 10px; box-shadow: var(--shadow); }
.skip-link:focus { top: 12px; }
.container { width: min(calc(100% - 40px), var(--container)); margin: 0 auto; }
.site-main { min-height: 60vh; }
.section { padding: 92px 0; }
.soft-section { background: linear-gradient(180deg, #fff 0%, #eef5ff 100%); }
h1, h2, h3, .section-title { color: var(--title); line-height: 1.16; margin-top: 0; }
h1 { font-size: clamp(2.6rem, 6vw, 5.6rem); letter-spacing: -.05em; }
h2 { font-size: clamp(1.8rem, 3.4vw, 3.1rem); letter-spacing: -.035em; }
h3 { font-size: 1.18rem; }
p { margin: 0 0 1.15em; }
ul { padding-left: 1.2em; }
.section-kicker, .label, .badge { display: inline-block; color: var(--brand); font-weight: 800; letter-spacing: .12em; font-size: .8rem; text-transform: uppercase; margin-bottom: 14px; }
.section-heading { max-width: 760px; margin: 0 auto 44px; text-align: center; }
.section-heading p { color: var(--muted); font-size: 1.04rem; }
.compact-heading { margin-left: 0; text-align: left; }
.text-link { color: var(--brand); font-weight: 800; text-decoration: none; }
.text-link:hover { color: var(--purple); }
.main-btn, .secondary-btn { display: inline-flex; align-items: center; justify-content: center; min-height: 50px; padding: 0 24px; border-radius: 999px; font-weight: 800; text-decoration: none; transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease; white-space: nowrap; }
.main-btn { color: #fff; background: linear-gradient(135deg, #5B6CFF 0%, #7A5CFF 48%, #00D4FF 100%); box-shadow: 0 14px 32px rgba(91,108,255,.28); }
.secondary-btn { color: var(--brand); background: rgba(255,255,255,.88); border: 1px solid rgba(91,108,255,.28); }
.main-btn:hover, .secondary-btn:hover { transform: translateY(-2px); box-shadow: 0 18px 34px rgba(25,43,91,.18); }
.main-btn.compact { min-height: 42px; padding: 0 19px; font-size: .92rem; }
.center-action { display: flex; justify-content: center; margin-top: 34px; }

.site-header { position: sticky; top: 0; width: 100%; z-index: 9999; background: rgba(12,18,40,.94); backdrop-filter: blur(12px); box-shadow: 0 8px 26px rgba(25,43,91,.16); }
.header-inner { width: min(calc(100% - 36px), 1280px); margin: 0 auto; min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.site-logo { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; color: #fff; font-weight: 900; letter-spacing: .03em; }
.site-logo img { width: auto; max-width: 126px; max-height: 44px; }
.nav-core { display: flex; align-items: center; justify-content: center; gap: 6px; }
.nav-core a { color: #EEF2FF; text-decoration: none; border-radius: 999px; padding: 8px 12px; font-size: .93rem; white-space: nowrap; }
.nav-core a:hover, .nav-core a.active { color: #fff; background: rgba(0,212,255,.16); }
.header-actions { display: flex; align-items: center; gap: 10px; }
.menu-toggle { width: 44px; height: 44px; display: inline-flex; flex-direction: column; justify-content: center; align-items: center; gap: 5px; background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.16); border-radius: 50%; cursor: pointer; }
.menu-toggle span { width: 18px; height: 2px; background: #fff; border-radius: 4px; }
.mobile-header { display: none; }
.site-drawer { position: fixed; z-index: 11001; top: 0; right: 0; width: min(400px, 88vw); height: 100dvh; padding: 24px; background: #fff; transform: translateX(105%); transition: transform .28s ease; box-shadow: -24px 0 70px rgba(11,16,36,.26); overflow-y: auto; }
.drawer-open .site-drawer { transform: translateX(0); }
.drawer-overlay { position: fixed; inset: 0; z-index: 11000; background: rgba(11,16,36,.58); opacity: 0; pointer-events: none; transition: opacity .25s ease; }
.drawer-open .drawer-overlay { opacity: 1; pointer-events: auto; }
.drawer-head { display: flex; align-items: center; justify-content: space-between; gap: 18px; padding-bottom: 16px; border-bottom: 1px solid var(--border); }
.drawer-brand { display: flex; align-items: center; gap: 10px; color: var(--title); }
.drawer-brand img { max-width: 112px; max-height: 40px; }
.drawer-close { width: 42px; height: 42px; border: 0; border-radius: 50%; background: #eef2ff; color: var(--title); font-size: 1.8rem; cursor: pointer; }
.drawer-copy { color: var(--muted); margin: 18px 0; }
.drawer-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.drawer-nav a { display: flex; justify-content: space-between; align-items: center; gap: 8px; padding: 12px 14px; border-radius: 14px; background: #F7F8FF; color: var(--title); text-decoration: none; font-weight: 700; }
.drawer-nav a.active, .drawer-nav a:hover { background: linear-gradient(135deg, rgba(91,108,255,.14), rgba(0,212,255,.12)); color: var(--brand); }
.drawer-note { margin-top: 20px; padding: 16px; border-radius: 16px; background: var(--pale-gold); color: #72581a; font-size: .9rem; }

.hero { position: relative; overflow: hidden; background: radial-gradient(circle at 75% 20%, rgba(0,212,255,.19), transparent 34%), radial-gradient(circle at 15% 10%, rgba(217,79,112,.13), transparent 30%), linear-gradient(135deg, #F7F4FF 0%, #EAF7FF 58%, #FFF8F2 100%); }
.hero-grid { min-height: 690px; padding: 78px 0 88px; display: grid; grid-template-columns: 1.02fr .98fr; align-items: center; gap: 70px; position: relative; z-index: 2; }
.hero-copy { max-width: 660px; }
.hero-copy h1 { margin-bottom: 12px; background: linear-gradient(135deg, var(--title), var(--brand) 50%, var(--rose)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero-subtitle { font-size: clamp(1.35rem, 2.5vw, 2rem); color: var(--navy); font-weight: 900; margin-bottom: 18px; }
.hero-copy > p:not(.hero-subtitle) { color: var(--muted); font-size: 1.06rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 28px 0; }
.hero-points { display: flex; flex-wrap: wrap; gap: 10px; }
.hero-points span { padding: 7px 12px; border-radius: 999px; background: rgba(255,255,255,.74); border: 1px solid rgba(91,108,255,.14); color: var(--navy); font-size: .88rem; font-weight: 700; }
.hero-visual { position: relative; min-width: 0; }
.media-frame { padding: 16px; border-radius: 34px; background: rgba(255,255,255,.64); border: 1px solid rgba(255,255,255,.8); box-shadow: 0 30px 80px rgba(25,43,91,.18); backdrop-filter: blur(10px); }
.media-frame img { width: 100%; max-height: 560px; border-radius: 24px; }
.floating-card { position: absolute; max-width: 220px; padding: 14px 16px; border-radius: 16px; background: rgba(17,24,47,.91); color: #fff; box-shadow: var(--shadow); }
.floating-card strong, .floating-card span { display: block; }
.floating-card span { color: #C9D1EA; font-size: .82rem; }
.float-top { top: 28px; left: -36px; }
.float-bottom { right: -20px; bottom: 32px; }
.ambient { position: absolute; border-radius: 50%; filter: blur(2px); opacity: .65; }
.ambient-one { width: 300px; height: 300px; right: -90px; top: -100px; background: rgba(122,92,255,.15); }
.ambient-two { width: 180px; height: 180px; left: 38%; bottom: -90px; background: rgba(0,212,255,.17); }

.highlight-strip { position: relative; z-index: 3; margin-top: -28px; padding-bottom: 24px; }
.highlight-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.highlight-grid article { display: flex; gap: 14px; min-height: 150px; padding: 22px; background: #fff; border: 1px solid var(--border); border-radius: 22px; box-shadow: var(--shadow); }
.highlight-grid article > span { width: 38px; height: 38px; display: grid; place-items: center; flex: 0 0 auto; border-radius: 12px; background: #EEF0FF; color: var(--brand); font-weight: 900; }
.highlight-grid h2 { font-size: 1.08rem; margin-bottom: 8px; }
.highlight-grid p { color: var(--muted); font-size: .9rem; margin: 0; line-height: 1.65; }

.quick-section { padding-top: 72px; }
.capsule-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; }
.capsule-grid a { display: flex; flex-direction: column; gap: 5px; min-height: 116px; padding: 18px; border-radius: 18px; background: #fff; border: 1px solid var(--border); text-decoration: none; box-shadow: 0 10px 28px rgba(25,43,91,.07); transition: transform .2s ease, box-shadow .2s ease; }
.capsule-grid a:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.capsule-grid strong { color: var(--title); }
.capsule-grid span { color: var(--muted); font-size: .86rem; line-height: 1.55; }

.split-panel { display: grid; grid-template-columns: .9fr 1.1fr; gap: 58px; align-items: center; }
.split-panel.reverse { grid-template-columns: 1.05fr .95fr; }
.split-panel.reverse .panel-image { order: 2; }
.panel-image { padding: 18px; background: #fff; border: 1px solid var(--border); border-radius: 28px; box-shadow: var(--shadow); }
.panel-image img { width: 100%; max-height: 560px; border-radius: 20px; }
.panel-copy p { color: var(--muted); }
.feature-showcase { display: grid; grid-template-columns: .95fr 1.05fr; gap: 52px; align-items: center; }
.feature-copy p { color: var(--muted); }
.mosaic { display: grid; grid-template-columns: 1.25fr .75fr; grid-template-rows: 1fr 1fr; gap: 12px; }
.mosaic img { width: 100%; height: 100%; min-height: 190px; padding: 10px; background: #fff; border: 1px solid var(--border); border-radius: 22px; box-shadow: 0 12px 30px rgba(25,43,91,.09); }
.mosaic img:first-child { grid-row: 1 / span 2; }

.two-column-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.three-column-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.card, .zone-card, .info-card, .review-card, .side-card, .content-block { background: #fff; border: 1px solid var(--border); box-shadow: var(--shadow); border-radius: 22px; }
.zone-card, .info-card { padding: 22px; }
.zone-card > img, .info-card > img { width: 100%; max-height: 300px; margin-bottom: 22px; border-radius: 16px; background: #F7F8FF; }
.zone-card p, .info-card p { color: var(--muted); }
.zone-card ul { color: var(--ink); }
.dark-wave { background: linear-gradient(135deg, #11182F 0%, #16213E 65%, #20295A 100%); }
.dark-card { background: rgba(255,255,255,.06); border-color: rgba(255,255,255,.12); box-shadow: none; }
.dark-card h2 { color: #fff; }
.dark-card p { color: #C7CFE6; }
.dark-card .text-link { color: var(--cyan); }
.dark-card > img { background: rgba(255,255,255,.06); }

.security-section { background: linear-gradient(180deg, #F5F7FF, #ECF7FF); }
.security-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.security-card { display: grid; grid-template-columns: 170px 1fr; gap: 24px; align-items: center; padding: 24px; background: #fff; border: 1px solid var(--border); border-radius: 24px; box-shadow: var(--shadow); }
.security-card img { max-height: 210px; }
.security-card h2 { font-size: 1.55rem; }
.security-card p { color: var(--muted); }
.review-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.review-card { margin: 0; padding: 24px; }
.review-card p { color: var(--ink); }
.review-card footer { color: var(--muted); font-size: .9rem; }
.accordion-list { max-width: 900px; margin: 0 auto; display: grid; gap: 12px; }
details { background: #fff; border: 1px solid var(--border); border-radius: 16px; padding: 0 20px; box-shadow: 0 8px 22px rgba(25,43,91,.06); }
summary { padding: 18px 34px 18px 0; color: var(--title); font-weight: 800; cursor: pointer; position: relative; }
summary::after { content: '+'; position: absolute; right: 2px; top: 13px; font-size: 1.5rem; color: var(--brand); }
details[open] summary::after { content: '−'; }
details p { color: var(--muted); padding: 0 0 18px; margin: 0; }
.compliance-banner { padding-top: 52px; }
.compliance-inner { display: flex; align-items: center; justify-content: space-between; gap: 30px; padding: 38px; border-radius: 28px; background: linear-gradient(135deg, #FFF4D6, #EEF8FF 60%, #F2EBFF); border: 1px solid rgba(255,200,87,.34); box-shadow: var(--shadow); }
.compliance-inner > div { max-width: 860px; }
.compliance-inner h2 { font-size: clamp(1.7rem, 3vw, 2.7rem); }
.compliance-inner p { color: var(--muted); margin-bottom: 0; }

.page-hero { position: relative; overflow: hidden; background: radial-gradient(circle at 75% 15%, rgba(0,212,255,.16), transparent 34%), linear-gradient(135deg, #F6F2FF, #EAF7FF); }
.page-hero-grid { min-height: 520px; padding: 72px 0; display: grid; grid-template-columns: 1.05fr .95fr; gap: 60px; align-items: center; }
.page-hero h1 { font-size: clamp(2.4rem, 5vw, 4.6rem); }
.page-hero p { max-width: 760px; color: var(--muted); font-size: 1.05rem; }
.page-hero-image { padding: 16px; border-radius: 28px; background: rgba(255,255,255,.72); border: 1px solid rgba(255,255,255,.9); box-shadow: var(--shadow); }
.page-hero-image img { width: 100%; max-height: 440px; border-radius: 20px; }
.content-layout { display: grid; grid-template-columns: minmax(0, 1fr) 330px; gap: 30px; align-items: start; }
.article-column { display: grid; gap: 22px; }
.content-block { padding: 30px; box-shadow: 0 12px 34px rgba(25,43,91,.08); }
.content-block h2 { font-size: 1.65rem; }
.content-block p { color: var(--muted); }
.side-column { display: grid; gap: 18px; position: sticky; top: 98px; }
.side-card { padding: 24px; box-shadow: 0 12px 34px rgba(25,43,91,.08); }
.side-card h2 { font-size: 1.35rem; }
.side-card ul { color: var(--muted); }
.accent-side { background: linear-gradient(135deg, #11182F, #20295A); }
.accent-side p { color: #DCE4FF; margin: 0; }
.accent-side .label { color: var(--gold); }
.step-list { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.step-list li { min-height: 180px; padding: 25px; border-radius: 22px; background: #fff; border: 1px solid var(--border); box-shadow: 0 14px 34px rgba(25,43,91,.09); }
.step-list span { width: 42px; height: 42px; display: grid; place-items: center; margin-bottom: 24px; border-radius: 14px; background: linear-gradient(135deg, var(--brand), var(--cyan)); color: #fff; font-weight: 900; }
.step-list p { color: var(--muted); margin: 0; }
.testimonial-band { background: linear-gradient(135deg, #11182F, #16213E); }
.testimonial-band blockquote { max-width: 900px; margin: 0 auto; text-align: center; }
.testimonial-band span { color: var(--gold); font-weight: 800; letter-spacing: .12em; }
.testimonial-band p { color: #fff; font-size: clamp(1.35rem, 3vw, 2.3rem); line-height: 1.5; margin-top: 18px; }
.compact-accordion { max-width: 820px; }
.faq-page-list { max-width: 980px; display: grid; gap: 14px; }
.faq-page-list details { padding: 0 24px; }
.faq-page-list summary { font-size: 1.03rem; }

.site-footer { background: #0B1024; color: #EEF2FF; padding: 70px 0 0; }
.footer-inner { width: min(calc(100% - 40px), var(--container)); margin: 0 auto; display: grid; grid-template-columns: .9fr 1.8fr; gap: 60px; }
.footer-brand p { color: #AEB8D3; max-width: 420px; }
.footer-logo { margin-bottom: 18px; }
.footer-links { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.footer-links section { display: flex; flex-direction: column; gap: 9px; }
.footer-links h2 { color: #fff; font-size: 1rem; margin-bottom: 8px; }
.footer-links a { color: #AEB8D3; text-decoration: none; font-size: .9rem; }
.footer-links a:hover { color: var(--cyan); }
.footer-reminder { width: min(calc(100% - 40px), var(--container)); margin: 48px auto 0; padding: 18px 0; color: #AEB8D3; border-top: 1px solid rgba(255,255,255,.09); font-size: .88rem; }
.footer-bottom { padding: 18px 20px; text-align: center; color: #8792B2; background: rgba(0,0,0,.16); font-size: .86rem; }
.mobile-bottom-nav { display: none; }

@media (max-width: 1100px) {
  .nav-core { gap: 0; }
  .nav-core a { padding: 7px 8px; font-size: .85rem; }
  .capsule-grid { grid-template-columns: repeat(3, 1fr); }
  .highlight-grid { grid-template-columns: repeat(2, 1fr); }
  .review-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-inner { grid-template-columns: 1fr; }
}
@media (max-width: 900px) {
  .desktop-header { display: none; }
  .mobile-header { display: flex; }
  .mobile-logo { position: absolute; left: 50%; transform: translateX(-50%); }
  .mobile-logo img { max-width: 102px; max-height: 38px; }
  .mobile-logo span { display: none; }
  .hero-grid, .page-hero-grid, .split-panel, .split-panel.reverse, .feature-showcase { grid-template-columns: 1fr; }
  .hero-grid { padding-top: 56px; gap: 40px; }
  .hero-copy { max-width: none; }
  .page-hero-grid { gap: 34px; }
  .split-panel.reverse .panel-image { order: initial; }
  .two-column-cards, .three-column-cards, .security-grid { grid-template-columns: 1fr; }
  .content-layout { grid-template-columns: 1fr; }
  .side-column { position: static; grid-template-columns: 1fr 1fr; }
  .step-list { grid-template-columns: 1fr; }
  .footer-links { grid-template-columns: repeat(2, 1fr); }
  .compliance-inner { align-items: flex-start; flex-direction: column; }
  .floating-card { display: none; }
}
@media (max-width: 640px) {
  body { padding-bottom: 70px; }
  .container { width: min(calc(100% - 28px), var(--container)); }
  .section { padding: 66px 0; }
  .header-inner { width: calc(100% - 22px); min-height: 64px; gap: 8px; }
  .main-btn.compact { min-height: 38px; padding: 0 13px; font-size: .82rem; }
  .menu-toggle { width: 40px; height: 40px; }
  .hero-grid { min-height: auto; padding: 48px 0 70px; }
  .hero-copy h1 { font-size: 3.15rem; }
  .hero-subtitle { font-size: 1.35rem; }
  .hero-actions { align-items: stretch; }
  .hero-actions .main-btn, .hero-actions .secondary-btn { flex: 1 1 42%; padding-inline: 15px; }
  .highlight-strip { margin-top: -18px; }
  .highlight-grid, .capsule-grid, .review-grid, .side-column { grid-template-columns: 1fr; }
  .highlight-grid article { min-height: auto; }
  .mosaic { grid-template-columns: 1fr 1fr; grid-template-rows: auto auto; }
  .mosaic img:first-child { grid-column: 1 / -1; grid-row: auto; }
  .mosaic img { min-height: 145px; }
  .security-card { grid-template-columns: 110px 1fr; padding: 18px; gap: 16px; }
  .security-card h2 { font-size: 1.2rem; }
  .page-hero-grid { min-height: auto; padding: 52px 0; }
  .page-hero h1 { font-size: 2.65rem; }
  .content-block, .side-card { padding: 22px; }
  .drawer-nav { grid-template-columns: 1fr; }
  .site-drawer { width: min(360px, 92vw); padding: 20px; }
  .footer-links { grid-template-columns: 1fr 1fr; gap: 30px 18px; }
  .footer-inner, .footer-reminder { width: calc(100% - 28px); }
  .mobile-bottom-nav { position: fixed; z-index: 9998; left: 10px; right: 10px; bottom: 8px; display: grid; grid-template-columns: repeat(4, 1fr); min-height: 58px; padding: 7px 8px; background: rgba(11,16,36,.95); border: 1px solid rgba(255,255,255,.12); border-radius: 20px; box-shadow: 0 14px 38px rgba(11,16,36,.34); backdrop-filter: blur(12px); }
  .mobile-bottom-nav a { display: flex; flex-direction: column; justify-content: center; align-items: center; gap: 1px; color: #AEB8D3; text-decoration: none; font-size: .72rem; }
  .mobile-bottom-nav a span { font-size: 1rem; }
  .mobile-bottom-nav a.active { color: #fff; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}