:root{--deep-navy:#071522;--midnight:#0f2741;--royal-blue:#1e4f8f;--aqua:#4db8c9;--gold:#f5c061;--silver:#f3f5fb;--text-dark:#071522;--text-muted:rgba(7,21,34,0.7)}*{box-sizing:border-box}body{margin:0;font-family:"Source Han Sans SC","Microsoft YaHei",sans-serif;color:var(--text-dark);background:radial-gradient(circle at 20% 20%,#f0f6ff,#e8edf7 45%,#f3f5fb 90%);line-height:1.7}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}.container{width:min(1200px,92%);margin:0 auto}.top-announcement{background:linear-gradient(120deg,rgba(8,28,53,0.95),rgba(30,79,143,0.95));color:#e6eefc;padding:10px 0;font-size:14px;letter-spacing:0.05em}.top-announcement span{display:inline-flex;align-items:center;gap:8px;margin-right:18px}.brand-header{position:sticky;top:0;z-index:10;backdrop-filter:blur(18px);background:rgba(255,255,255,0.8);border-bottom:1px solid rgba(7,21,34,0.08)}.brand-nav{display:flex;justify-content:space-between;align-items:center;padding:18px 0}.logo-mark{display:flex;align-items:center;gap:14px}.logo-badge{width:52px;height:52px;border-radius:16px;background:linear-gradient(150deg,#0b243d,#195582);color:#fff;display:grid;place-items:center;font-weight:600;letter-spacing:0.1em;font-size:18px}.logo-text h1{margin:0;font-size:20px;letter-spacing:0.2em}.logo-text small{display:block;color:var(--text-muted);font-size:12px;letter-spacing:0.3em;margin-top:2px}.nav-links{display:flex;gap:24px;font-size:15px;font-weight:500}.nav-links a{padding-bottom:4px;border-bottom:2px solid transparent;transition:0.3s}.nav-links a:hover{color:var(--royal-blue);border-color:var(--gold)}.hero{position:relative;overflow:hidden;padding:80px 0 110px}.hero::before,.hero::after{content:"";position:absolute;inset:0}.hero::before{background:linear-gradient(135deg,rgba(6,14,30,0.9),rgba(21,67,108,0.85));height:75%;border-bottom-left-radius:80px;border-bottom-right-radius:80px}.hero::after{background-image:radial-gradient(circle at 20% 20%,rgba(245,192,97,0.3),transparent 45%),radial-gradient(circle at 80% 0%,rgba(77,184,201,0.22),transparent 40%);opacity:0.2;height:75%;border-bottom-left-radius:80px;border-bottom-right-radius:80px}.hero-content{position:relative;display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:48px;color:#f5f7fb}.hero-title{font-size:clamp(30px,4vw,46px);margin:0 0 18px;line-height:1.3}.hero-highlight{font-size:18px;color:rgba(255,255,255,0.75);margin-bottom:26px}.cta-group{display:flex;flex-wrap:wrap;gap:14px}.btn-solid,.btn-ghost{padding:12px 28px;border-radius:30px;font-weight:600;border:1px solid transparent;transition:0.3s ease}.btn-solid{background:linear-gradient(120deg,#f5c061,#f5a949);color:#0c1b2d}.btn-ghost{color:#f5f7fb;border-color:rgba(245,247,251,0.4)}.btn-solid:hover{filter:brightness(1.02);transform:translateY(-2px)}.btn-ghost:hover{color:var(--gold);border-color:var(--gold)}.hero-panel{background:rgba(255,255,255,0.1);border:1px solid rgba(255,255,255,0.2);border-radius:28px;padding:28px;backdrop-filter:blur(12px)}.hero-panel h3{margin:0 0 12px;font-size:20px;letter-spacing:0.2em}.metrics{display:grid;grid-template-columns:repeat(2,minmax(120px,1fr));gap:18px}.metric-item{background:rgba(255,255,255,0.08);border-radius:18px;padding:18px;text-align:center}.metric-item strong{display:block;font-size:26px;color:var(--gold)}section{padding:90px 0}.section-title{text-align:center;max-width:760px;margin:0 auto 50px}.section-title h2{font-size:30px;margin:0;letter-spacing:0.3em;color:var(--midnight)}.section-title p{color:var(--text-muted);margin-top:16px}.pill{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;background:rgba(30,79,143,0.08);color:var(--royal-blue);font-size:13px;letter-spacing:0.2em;text-transform:uppercase;margin-bottom:12px}.cards-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:26px}.info-card{background:#fff;border-radius:26px;padding:26px;border:1px solid rgba(7,21,34,0.06);box-shadow:0 26px 60px rgba(6,20,38,0.08);transition:0.35s ease;position:relative;overflow:hidden}.info-card::after{content:"";position:absolute;inset:0;background:radial-gradient(circle at top right,rgba(245,192,97,0.35),transparent 45%);opacity:0;transition:inherit}.info-card:hover{transform:translateY(-6px)}.info-card:hover::after{opacity:1}.info-card h3{margin:0 0 10px;color:var(--royal-blue);letter-spacing:0.2em;font-size:18px}.info-card p{margin:0 0 8px;color:var(--text-muted)}.contact-wrapper{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:30px}.contact-card{background:#fff;border-radius:32px;padding:32px;border:1px solid rgba(7,21,34,0.08);box-shadow:0 30px 60px rgba(8,18,40,0.08)}.contact-card h3{margin-top:0;letter-spacing:0.3em;color:var(--midnight)}.info-line{margin:16px 0;padding:14px 0;border-bottom:1px dashed rgba(7,21,34,0.08)}.info-label{display:block;font-size:13px;letter-spacing:0.3em;color:var(--text-muted)}.info-value{font-size:18px;margin-top:6px;color:var(--midnight)}.footer{background:#040b14;color:rgba(255,255,255,0.7);text-align:center;padding:40px 0 30px;margin-top:60px}.footer small{display:block;margin-top:6px;letter-spacing:0.2em}.footer a{color:rgba(255,255,255,0.7);text-decoration:none}@media(max-width:768px){.nav-links{flex-wrap:wrap;justify-content:flex-end;gap:12px}.hero{padding-bottom:70px}.hero::before,.hero::after{border-radius:0}.brand-nav{flex-direction:column;gap:16px}section{padding:60px 0}}.tracking-board{background:#fff;border-radius:32px;padding:36px;border:1px solid rgba(7,21,34,0.08);box-shadow:0 30px 70px rgba(10,24,56,0.1);display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:28px}.tracking-info h3{margin:0 0 12px;letter-spacing:0.25em;color:var(--midnight)}.tracking-info p{margin:0 0 8px;color:var(--text-muted)}.tracking-form{display:flex;flex-direction:column;gap:16px}.tracking-form label{font-size:13px;letter-spacing:0.2em;color:var(--text-muted)}.tracking-input{padding:14px 18px;border-radius:18px;border:1px solid rgba(7,21,34,0.15);font-size:16px;background:rgba(7,21,34,0.02)}.tracking-input:focus{outline:none;border-color:var(--royal-blue);box-shadow:0 0 0 3px rgba(30,79,143,0.15)}.btn-track{background:linear-gradient(120deg,#1e4f8f,#4db8c9);border:none;color:#fff;font-weight:600;padding:14px;border-radius:24px;cursor:pointer;transition:0.3s}.btn-track:hover{filter:brightness(1.05)}.official-doc{background:#fff;border-radius:32px;padding:32px;border:1px solid rgba(7,21,34,0.08);box-shadow:0 24px 60px rgba(7,21,34,0.07);line-height:1.9}.official-doc h3{margin:0 0 18px;text-align:center;letter-spacing:0.25em;color:var(--midnight)}.official-doc p{margin:0 0 12px;color:var(--text-dark)}.official-doc small{display:block;margin-top:24px;text-align:right;color:var(--text-muted)}