:root{--primary: #2563eb;--primary-dark: #1d4ed8;--primary-light: #dbeafe;--text: #0f172a;--text-2: #475569;--text-3: #94a3b8;--bg: #f6f8fc;--card: #ffffff;--line: #e2e8f0;--green: #16a34a;--amber: #f59e0b;--danger: #dc2626;--radius: 14px;--shadow: 0 1px 2px rgba(15, 23, 42, .05), 0 8px 24px -12px rgba(15, 23, 42, .12)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:-apple-system,PingFang SC,Microsoft YaHei,Segoe UI,sans-serif;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button{font-family:inherit}.header{position:sticky;top:0;z-index:40;background:#ffffffeb;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}.header-inner{max-width:1120px;margin:0 auto;padding:0 20px;height:60px;display:flex;align-items:center;gap:24px}.brand{font-size:19px;font-weight:800;letter-spacing:.5px}.brand span{color:var(--primary)}.nav{display:flex;gap:18px;font-size:14.5px;color:var(--text-2)}.nav a:hover{color:var(--primary)}.header-right{margin-left:auto;display:flex;align-items:center;gap:16px;font-size:14.5px}.header-right .balance{color:var(--primary);font-weight:600}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:none;cursor:pointer;border-radius:10px;font-size:14.5px;font-weight:600;padding:10px 18px;transition:all .15s ease}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-dark)}.btn-outline{background:#fff;color:var(--primary);border:1px solid var(--primary-light)}.btn-outline:hover{border-color:var(--primary)}.btn-ghost{background:transparent;color:var(--text-2);padding:8px 10px}.btn-ghost:hover{color:var(--primary)}.btn-danger-outline{background:#fff;color:var(--danger);border:1px solid #fecaca}.btn:disabled{opacity:.55;cursor:not-allowed}.btn-block{width:100%}.btn-sm{padding:6px 12px;font-size:13.5px;border-radius:8px}.hero{background:linear-gradient(180deg,#eef3fe 0%,var(--bg) 100%)}.hero-inner{max-width:1120px;margin:0 auto;padding:56px 20px 40px;display:grid;grid-template-columns:1.1fr 1fr;gap:40px;align-items:center}.hero-eyebrow{color:var(--text-2);font-size:15px;margin-bottom:10px}.hero h1{font-size:40px;line-height:1.25;margin:0 0 14px;letter-spacing:.5px}.hero-sub{color:var(--text-2);font-size:16px;margin-bottom:26px}.hero-actions{display:flex;gap:14px;flex-wrap:wrap}.hero-feats{display:flex;gap:26px;margin-top:34px;color:var(--text-2);font-size:13.5px}.hero-feats b{display:block;color:var(--text);font-size:14.5px;margin-bottom:2px}.hero-cards{position:relative;min-height:300px}.hero-cards img{position:absolute;width:62%;border-radius:12px;box-shadow:var(--shadow);border:1px solid var(--line);background:#fff}.hero-cards img:nth-child(1){left:0;top:40px;transform:rotate(-4deg)}.hero-cards img:nth-child(2){left:20%;top:0;z-index:2}.hero-cards img:nth-child(3){right:0;top:56px;transform:rotate(4deg)}.hero-cards .badge{position:absolute;z-index:3;background:var(--amber);color:#fff;font-size:12px;font-weight:700;padding:3px 8px;border-radius:6px}.hero-cards .badge:nth-of-type(1){left:16%;top:-8px}.hero-cards .badge:nth-of-type(2){right:4%;top:46px}.section{max-width:1120px;margin:0 auto;padding:34px 20px}.section-head{display:flex;align-items:baseline;gap:14px;margin-bottom:6px}.section-head h2{font-size:24px;margin:0}.section-head .hint{color:var(--text-3);font-size:13.5px}.filters{display:flex;flex-direction:column;gap:10px;margin:18px 0 22px}.filter-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:14px}.filter-label{color:var(--text-2);flex-shrink:0}.pill{border:1px solid var(--line);background:#fff;color:var(--text-2);padding:5px 14px;border-radius:999px;cursor:pointer;font-size:13.5px}.pill:hover{border-color:var(--primary);color:var(--primary)}.pill.active{background:var(--primary);border-color:var(--primary);color:#fff}.pill.active-multi{background:var(--primary-light);border-color:var(--primary);color:var(--primary-dark)}.free-toggle{display:inline-flex;align-items:center;gap:6px;color:var(--text-2);cursor:pointer;font-size:13.5px}.search-row{display:flex;gap:10px}.search-input{flex:1;max-width:460px;padding:10px 14px;font-size:14.5px;border:1px solid var(--line);border-radius:10px;outline:none;background:#fff}.search-input:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-light)}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;cursor:pointer;transition:box-shadow .15s,transform .15s}.card:hover{box-shadow:var(--shadow);transform:translateY(-2px)}.card-cover{width:100%;aspect-ratio:16/9;object-fit:cover;display:block;background:#eef2f7}.card-body{padding:13px 15px 15px}.card-title{font-size:15.5px;font-weight:700;margin:0 0 6px}.card-meta{display:flex;align-items:center;gap:8px;font-size:12.5px;color:var(--text-2);flex-wrap:wrap}.tag{background:#f1f5f9;border-radius:6px;padding:2px 8px}.card-price{margin-left:auto;font-size:15px;font-weight:800;color:var(--primary)}.card-price.free{color:var(--green)}.card-price.owned{color:var(--green);font-size:13.5px}.featured-badge{background:var(--amber);color:#fff;font-size:12px;font-weight:700;padding:3px 8px;border-radius:6px}.pager{display:flex;gap:8px;justify-content:center;margin:26px 0 8px}.pager button{min-width:36px;padding:7px 10px;border:1px solid var(--line);background:#fff;border-radius:8px;cursor:pointer;font-size:13.5px}.pager button.current{background:var(--primary);color:#fff;border-color:var(--primary)}.pager button:disabled{opacity:.4;cursor:default}.guide-box{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;display:flex;gap:26px;align-items:center;flex-wrap:wrap}.guide-steps{display:flex;gap:8px;align-items:center;flex-wrap:wrap;flex:1;min-width:300px}.guide-step{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--text-2)}.guide-num{width:22px;height:22px;border-radius:50%;background:var(--primary-light);color:var(--primary-dark);font-weight:700;display:flex;align-items:center;justify-content:center;font-size:12.5px}.guide-arrow{color:var(--text-3)}.footer{border-top:1px solid var(--line);background:#fff;margin-top:30px}.footer-inner{max-width:1120px;margin:0 auto;padding:22px 20px;display:flex;gap:18px;align-items:center;color:var(--text-3);font-size:13px;flex-wrap:wrap}.footer-inner a{color:var(--text-2)}.footer-inner a:hover{color:var(--primary)}.modal-mask{position:fixed;top:0;right:0;bottom:0;left:0;z-index:100;background:#0f172a73;display:flex;align-items:center;justify-content:center;padding:24px}.modal{background:#fff;border-radius:16px;max-width:880px;width:100%;max-height:calc(100vh - 48px);overflow:auto;position:relative;display:grid;grid-template-columns:300px 1fr}.modal-close{position:absolute;right:12px;top:12px;z-index:5;width:32px;height:32px;border-radius:50%;border:none;cursor:pointer;background:#ffffffe6;color:var(--text-2);font-size:16px;box-shadow:var(--shadow)}.modal-side{padding:26px 22px;border-right:1px solid var(--line);display:flex;flex-direction:column;gap:12px}.modal-side h3{margin:0;font-size:20px}.modal-tax{display:flex;gap:6px;flex-wrap:wrap}.modal-price{font-size:26px;font-weight:800;color:var(--primary)}.modal-price.free{color:var(--green)}.modal-price .unit{font-size:13px;color:var(--text-3);font-weight:400}.modal-benefit{display:flex;gap:6px;align-items:center;color:var(--green);font-size:13px;background:#f0fdf4;border-radius:8px;padding:8px 10px}.modal-actions{display:flex;flex-direction:column;gap:10px;margin-top:auto}.modal-main{padding:22px}.detail-img{width:100%;border-radius:10px;border:1px solid var(--line);cursor:zoom-in}.detail-img.zoomed{cursor:zoom-out;max-width:none;width:140%}.confirm-box{max-width:430px;padding:26px;display:block}.confirm-box h3{margin:0 0 14px}.confirm-rows{display:flex;flex-direction:column;gap:8px;font-size:14.5px;margin-bottom:18px}.confirm-rows .row{display:flex;justify-content:space-between;gap:20px}.confirm-rows .row b{text-align:right}.confirm-tip{color:var(--text-2);font-size:13px;background:var(--bg);padding:10px 12px;border-radius:8px;margin-bottom:16px}.confirm-actions{display:flex;gap:10px;justify-content:flex-end}.form{display:flex;flex-direction:column;gap:14px}.form label{font-size:13.5px;color:var(--text-2);display:flex;flex-direction:column;gap:6px}.input,select.input{padding:10px 12px;font-size:14.5px;border:1px solid var(--line);border-radius:10px;outline:none;background:#fff;color:var(--text)}.input:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-light)}.form-error{color:var(--danger);font-size:13.5px}.form-ok{color:var(--green);font-size:13.5px}.page{max-width:1120px;margin:0 auto;padding:30px 20px 60px}.page h1{font-size:26px;margin:4px 0 20px}.panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;margin-bottom:18px}.panel h2{font-size:17px;margin:0 0 14px}.panel h2 .hint{font-weight:400;font-size:13px;color:var(--text-3);margin-left:8px}.row-line{display:flex;align-items:center;gap:12px;padding:11px 0;border-bottom:1px solid #f1f5f9;font-size:14px;flex-wrap:wrap}.row-line:last-child{border-bottom:none}.row-line .grow{flex:1;min-width:120px}.muted{color:var(--text-3);font-size:12.5px}.balance-hero{display:flex;align-items:baseline;gap:12px}.balance-hero .num{font-size:40px;font-weight:800;color:var(--primary)}.pkg-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:14px 0}.pkg{border:1px solid var(--line);border-radius:12px;padding:14px;text-align:center;cursor:pointer;background:#fff}.pkg:hover,.pkg.active{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-light)}.pkg .p-num{font-size:20px;font-weight:800;color:var(--primary)}.pkg .p-name{font-size:12.5px;color:var(--text-2);margin-top:2px}.warn-box{background:#fffbeb;border:1px solid #fde68a;color:#92400e;font-size:13px;padding:10px 14px;border-radius:10px;margin-bottom:16px}.empty{text-align:center;color:var(--text-3);padding:40px 0;font-size:14px}.auth-wrap{max-width:400px;margin:48px auto;padding:0 20px}.auth-panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px}.auth-tabs{display:flex;gap:4px;background:var(--bg);padding:4px;border-radius:10px;margin-bottom:20px}.auth-tab{flex:1;border:none;background:transparent;padding:8px;border-radius:8px;cursor:pointer;font-size:14px;color:var(--text-2)}.auth-tab.active{background:#fff;color:var(--text);font-weight:600;box-shadow:var(--shadow)}.auth-divider{text-align:center;color:var(--text-3);font-size:12.5px;margin:12px 0}.device-box{max-width:430px;margin:60px auto;text-align:center}.device-code{font-size:34px;font-weight:800;letter-spacing:4px;color:var(--primary);margin:10px 0}.mobile-only{display:none}@media(max-width:860px){.hero-inner{grid-template-columns:1fr;padding:34px 16px 26px}.hero h1{font-size:30px}.hero-cards{min-height:210px}.grid{grid-template-columns:1fr 1fr;gap:13px}.modal{grid-template-columns:1fr;max-width:560px;max-height:calc(100vh - 32px)}.modal-side{border-right:none;border-bottom:1px solid var(--line)}.pkg-grid{grid-template-columns:repeat(2,1fr)}.desktop-only{display:none}.mobile-only{display:initial}.header-inner{gap:12px;padding:0 14px}.nav{display:none}.section,.page{padding-left:14px;padding-right:14px}}@media(max-width:520px){.grid{grid-template-columns:1fr}.hero-cards img{width:70%}}