:root{--red:#b72e28;--ink:#34271f;--paper:#faf6ef;--muted:#8a7c70}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:20px}body{margin:0;background:#e9e3d9;color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;font-size:14px;-webkit-font-smoothing:antialiased}.page{max-width:480px;margin:auto;background:var(--paper);overflow:hidden}header{display:flex;justify-content:space-between;align-items:center;padding:26px 24px 18px}.wordmark{font-family:Georgia,serif;font-size:23px;font-weight:bold;color:var(--red);text-decoration:none}.wordmark span{font-family:inherit;font-size:12px;letter-spacing:1px;margin-left:6px;color:var(--ink)}.rule-link{color:#78695f;font-size:11px;text-decoration:none}.hero{padding:24px 24px 0;background:radial-gradient(ellipse at 90% 50%,#efdbbf66,transparent 65%)}.eyebrow{font-size:11px;letter-spacing:3px;display:flex;align-items:center;gap:8px}.eyebrow span{width:6px;height:6px;border-radius:50%;background:var(--red)}h1{font-size:clamp(42px,11.8vw,58px);line-height:1.22;letter-spacing:-2px;margin:22px 0 16px;font-weight:850}h1 span{color:var(--red)}.intro{font-size:14px;line-height:1.9;color:#807064}.hero-art{height:283px;position:relative;margin-top:18px}.orbit{position:absolute;width:295px;height:220px;border:1px solid #d9c3a4;border-radius:50%;transform:rotate(-22deg);top:28px;left:26px}.ticket{position:absolute;border-radius:12px;width:244px;height:157px;box-shadow:0 14px 26px #6a2e171c}.ticket-back{background:#3c493d;color:#f3e6c9;right:0;top:0;transform:rotate(10deg);padding:18px 20px}.ticket-back>span{font-size:10px;letter-spacing:2px}.ticket-back strong{display:block;font-family:Georgia,serif;font-size:36px;margin-top:9px;white-space:nowrap}.ticket-back strong small{font-family:inherit;font-size:12px;margin:0 5px}.ticket-back p{font-size:11px;margin:5px 0}.ticket-back i{font-size:8px;letter-spacing:3px;font-style:normal}.ticket-front{left:8px;top:76px;transform:rotate(-9deg);height:172px;background:linear-gradient(120deg,#d54c3a,#b32722);color:#ffeacb;padding:17px 20px}.ticket-top{font-size:13px;font-weight:bold;display:flex;justify-content:space-between;align-items:center}.ticket-top span{font-size:8px;border:1px solid #efae8c;padding:3px 5px;font-weight:normal}.ticket-front strong{font-family:Georgia,serif;display:block;font-size:66px;line-height:1.12}.ticket-front strong small{font-size:16px;font-weight:normal;margin-right:6px}.ticket-front p{font-size:9px;margin:2px 0 11px}.perforation{border-top:1px dashed #f4b99788;margin:0 -20px}.ticket-front footer{font-size:11px;display:flex;justify-content:space-between;margin-top:10px}.ticket-front footer span{font-size:7px;letter-spacing:1px}.spark{position:absolute;color:#b78b55;font-size:36px}.spark-one{left:1px;top:20px}.spark-two{right:10px;top:183px;font-size:45px}.art-caption{position:absolute;bottom:2px;right:0;font-size:10px;letter-spacing:2px;color:#a38b73}.hero-summary{display:grid;grid-template-columns:repeat(3,1fr);padding:25px 0 26px;border-bottom:1px solid #dfd5c6;margin-top:8px}.hero-summary div{text-align:center;border-right:1px solid #e1d7ca}.hero-summary div:last-child{border:0}.hero-summary b{display:block;font-size:22px;color:var(--red)}.hero-summary span{display:block;font-size:10px;margin-top:7px;color:var(--muted)}section.benefits,section.prizes,section.steps{padding:38px 24px}.section-label{font-size:10px;color:var(--red);letter-spacing:2px;margin-bottom:15px;font-weight:600}h2{font-size:29px;line-height:1.35;letter-spacing:-.8px;margin:0 0 12px}.section-intro{font-size:12px;color:var(--muted);line-height:1.8;margin:0 0 22px}.tier-tabs{display:grid;grid-template-columns:repeat(5,1fr);gap:5px;margin-bottom:12px}button{font:inherit;cursor:pointer}.tier-tabs button{border:1px solid #ded3c2;border-radius:7px;padding:12px 0;background:transparent;color:#786556;font-size:12px;font-weight:650}.tier-tabs button.active{background:var(--red);border-color:var(--red);color:#fff5e6;box-shadow:0 4px 9px #b72e2822}.reward-panel{border:1px solid #dfc9ad;border-radius:12px;background:#fffaf2;overflow:hidden}.panel-heading{padding:14px 16px;border-bottom:1px solid #e9ddcc;display:flex;justify-content:space-between;gap:5px;font-size:11px}.panel-heading b{font-size:15px}.badge{color:var(--red);font-size:9px;background:#f3e5d6;padding:4px 6px;border-radius:4px}.reward-main{display:flex;justify-content:space-between;align-items:center;padding:23px 18px}.overline{font-size:12px;font-weight:600}.reward-main p{margin:3px 0;color:var(--red)}.reward-main p b{font-family:Georgia,serif;font-size:62px;line-height:1.1;font-weight:normal}.reward-main p span{font-size:15px;margin-left:6px}.muted{font-size:10px;color:var(--muted)}.coupon-icon{position:relative;border:1px solid #cf9e7c;color:var(--red);border-radius:4px;padding:12px 14px;font-family:Georgia,serif;font-size:28px;transform:rotate(8deg);background:#f8ecd9}.coupon-icon span{display:block;font-family:sans-serif;font-size:9px;text-align:center;letter-spacing:3px}.reward-row{display:flex;align-items:center;gap:10px;margin:0 16px;padding:17px 0;border-top:1px solid #eadfce}.mini-icon{flex:none;width:32px;height:32px;border-radius:8px;background:#e9eee4;display:grid;place-items:center;color:#4f634a;font-size:13px;font-weight:600}.mini-icon.lucky{background:#f5e4d4;color:var(--red);font-size:25px}.reward-row h3{font-size:12px;font-weight:500;margin:0 0 6px}.reward-row h3 b{font-size:14px;color:var(--red);margin-left:5px}.reward-row p{font-size:10px;color:var(--muted);margin:0}.row-note{margin-left:auto;font-size:9px;color:#8c7e6f}.compare{margin-top:17px;font-size:11px}.compare summary{list-style:none;cursor:pointer;color:#7e6f60;display:flex;justify-content:center;gap:12px;padding:8px}.compare summary::-webkit-details-marker{display:none}table{width:100%;border-collapse:collapse;font-size:11px;text-align:center;margin-top:12px}caption{position:absolute;clip-path:inset(50%);width:1px;height:1px;overflow:hidden}th,td{padding:11px 2px;border-bottom:1px solid #e5dace}th{font-weight:500;color:var(--muted)}.prizes{background:#efe8db}.grand-prize{background:#b52f27;border-radius:10px;padding:23px 18px;color:#ffe9c7;display:flex;justify-content:space-between;align-items:center;margin-top:23px;overflow:hidden}.grand-prize div>span{font-size:11px;letter-spacing:1px}.grand-prize p{margin:8px 0}.grand-prize b{font:46px Georgia,serif;margin:0 4px}.grand-prize small{font-size:11px}.grand-prize em{font-style:normal;font-size:9px;opacity:.8}.gift-symbol{font-size:69px;color:#e8af70;transform:rotate(15deg)}.prize-intro{font-size:11px;color:#887769;margin:23px 0 14px}.prize-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:#dbd0bf;border:1px solid #dbd0bf;border-radius:8px;overflow:hidden}.prize-grid>div{background:#f6f0e5;min-height:92px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;font-size:10px}.prize-grid div>span{font-size:25px;color:#a2794d}.prize-grid .prize-last{font-family:serif;letter-spacing:2px;color:#a28c70;font-size:13px;line-height:1.7}.exclusive{background:#303e35;color:#f3ead9;padding:34px 24px}.exclusive .section-label{color:#cdb78f}.exclusive-art{height:155px;position:relative;overflow:hidden;background:#3f5143;margin:21px 0 26px;border-radius:100px 100px 0 0}.exclusive-art>span{position:absolute;bottom:14px;left:20px;font-size:8px;letter-spacing:3px;z-index:3;color:#e3d3b2}.sun{width:65px;height:65px;position:absolute;top:22px;left:64px;background:#c5a975;border-radius:50%}.landscape{position:absolute;width:400px;height:180px;border-radius:50%;background:#29392d;transform:rotate(-16deg);top:83px;left:-40px}.arch{position:absolute;right:54px;top:28px;width:63px;height:139px;border:13px solid #aa9168;border-bottom:0;border-radius:50px 50px 0 0;transform:rotate(8deg)}.exclusive h2{font-size:27px}.exclusive>p{font-size:12px;line-height:1.9;color:#c6cabc}.conditions{display:flex;align-items:center;justify-content:space-between;border-top:1px solid #66705d;border-bottom:1px solid #66705d;padding:21px 0;margin-top:22px;gap:8px}.conditions div>span{font-size:10px;color:#d0d0bc}.conditions b{display:block;font-family:Georgia,serif;font-size:28px;color:#e6c78e;margin-top:8px;font-weight:normal}.conditions small{font:10px sans-serif;margin-left:4px}.or{font-size:11px;color:#a8af9e}.exclusive .exclusive-note{font-size:9px;color:#aab3a4;margin-bottom:0;line-height:1.8}.steps{padding-bottom:25px!important}.steps ol{list-style:none;margin:25px 0 0;padding:0}.steps li{display:flex;gap:20px;align-items:center;padding:16px 0;border-top:1px solid #e2d8c9}.steps li>b{font:26px Georgia,serif;color:#bd9b79}.steps h3{font-size:13px;margin:0 0 6px}.steps p{font-size:11px;color:var(--muted);margin:0}.rules{margin:0 24px;padding:18px 0;border-top:1px solid #e2d8c9;color:#978b7b}.rules h3{font-size:11px;font-weight:500;margin-top:0}.rules p{font-size:10px;line-height:1.9}.page-footer{text-align:center;font-size:9px;color:#a79b8b;letter-spacing:1px;padding:12px 0 122px}.sticky{position:fixed;bottom:0;left:0;right:0;z-index:10;padding-bottom:env(safe-area-inset-bottom);background:#fffaf2f5;border-top:1px solid #e5dac9;backdrop-filter:blur(16px)}.sticky-inner{max-width:480px;display:flex;align-items:center;justify-content:space-between;gap:10px;margin:auto;padding:14px 20px}.sticky b{display:block;font-size:12px}.sticky span{display:block;font-size:10px;color:#93806e;margin-top:5px}.sticky button{background:var(--red);color:#fff3de;border:0;border-radius:7px;padding:16px 22px;font-size:14px;font-weight:600;display:flex;gap:20px;align-items:center;white-space:nowrap}.sticky button span{font-size:17px;color:inherit;margin:0}dialog{border:1px solid #dfceba;border-radius:16px;width:calc(100% - 48px);max-width:350px;background:var(--paper);text-align:center;padding:32px 22px;color:var(--ink)}dialog::backdrop{background:#211d19aa;backdrop-filter:blur(4px)}.close{position:absolute;top:8px;right:12px;border:0;background:none;font-size:26px;color:#897d6c}.dialog-symbol{font-size:45px;color:var(--red)}dialog h2{font-size:22px;margin-top:15px}dialog p{font-size:12px;line-height:1.9;color:var(--muted)}.dialog-ok{margin-top:10px;background:var(--red);border:0;color:white;border-radius:7px;padding:13px;width:100%}button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid #c49a58;outline-offset:3px}@media(min-width:600px){.page{box-shadow:0 0 70px #34271f14}body{padding-top:16px}}@media(max-width:350px){header,.hero{padding-left:18px;padding-right:18px}section.benefits,section.prizes,section.steps,.exclusive{padding-left:18px;padding-right:18px}.tier-tabs button{font-size:10px}.row-note{font-size:8px}.sticky-inner{padding:12px}.sticky button{padding:15px;gap:10px}.ticket{width:220px}.hero-art{height:275px}.conditions b{font-size:25px}}
/* 第二版：运通蓝与手机端易读字号 */
:root{--red:#006fcf;--ink:#172e4c;--paper:#f6f9fd;--muted:#52677e}
body{background:#e4ecf5;font-size:16px}.page{background:var(--paper)}.wordmark{color:#006fcf}.wordmark span{font-size:14px}.rule-link{font-size:13px;color:#426384}.hero{background:radial-gradient(ellipse at 90% 50%,#c6e1fc88,transparent 65%)}.eyebrow{font-size:13px;letter-spacing:2px}.intro{font-size:16px;color:#52677e}.orbit{border-color:#a9cbed}.ticket-back{background:#07386e;color:#e8f5ff}.ticket-back>span{font-size:11px}.ticket-back p{font-size:13px}.ticket-front{background:linear-gradient(120deg,#168ae8,#0054a5);color:#fff}.ticket-top{font-size:15px}.ticket-top span{font-size:10px;border-color:#9ed5ff}.ticket-front p{font-size:11px}.perforation{border-color:#b0ddff99}.spark{color:#1685d5}.art-caption{font-size:11px;color:#607e9d;letter-spacing:1px}.hero-summary{border-color:#d2dfed}.hero-summary div{border-color:#d2dfed}.hero-summary span{font-size:13px}.section-label{font-size:12px;letter-spacing:1.5px}h2{font-size:31px}.section-intro{font-size:15px;color:#52677e}.tier-tabs{gap:4px}.tier-tabs button{font-size:13px;padding:14px 0;border-color:#c5d6e8;color:#375b80;background:#fff}.tier-tabs button.active{box-shadow:0 4px 9px #006fcf22;color:white}.reward-panel{background:#fff;border-color:#bdd3eb}.panel-heading{font-size:14px;border-color:#dce7f2;padding:16px 14px}.panel-heading b{font-size:17px}.badge{font-size:11px;background:#e8f3ff;display:flex;align-items:center}.overline{font-size:15px}.reward-main{padding:24px 16px}.muted{font-size:13px}.coupon-icon{background:#eaf4ff;border-color:#8fbbe4}.coupon-icon span{font-size:11px}.reward-row{border-color:#dce7f2;gap:10px;flex-wrap:wrap}.mini-icon{background:#e3f1ff;color:#0063b6;width:36px;height:36px;font-size:15px}.mini-icon.lucky{background:#e8efff;color:#006fcf}.reward-row h3{font-size:15px;line-height:1.6}.reward-row h3 b{font-size:17px}.reward-row p{font-size:13px;line-height:1.7}.row-note{font-size:11px;color:#52677e;margin-left:46px;margin-top:-8px}.compare{font-size:14px}.compare summary{color:#386187;padding:12px}table{font-size:13px}th,td{border-color:#d2dfed;padding:13px 2px}.prizes{background:#e8f1fb}.grand-prize{background:linear-gradient(120deg,#087bda,#004b93);color:#fff}.grand-prize div>span{font-size:14px}.grand-prize small{font-size:13px}.grand-prize em{font-size:12px;line-height:1.7}.grand-prize b{font-size:44px}.gift-symbol{color:#9dd8ff;font-size:55px}.prize-intro{font-size:14px;color:#52677e}.prize-grid{background:#c6d8eb;border-color:#c6d8eb}.prize-grid>div{background:#f6faff;font-size:12px;min-height:100px}.prize-grid div>span{color:#2074ba}.prize-grid .prize-last{color:#537da5;font-size:15px}.exclusive{background:#063469;color:#fff}.exclusive .section-label{color:#9fd1ff}.exclusive-art{background:#174c80}.exclusive-art>span{color:#d0eaff}.sun{background:#91c9f5}.landscape{background:#082d58}.arch{border-color:#65a8dc}.exclusive h2{font-size:29px}.exclusive>p{font-size:15px;color:#d0e3f6}.conditions{border-color:#4674a0}.conditions div>span{font-size:12px;color:#cce3f9}.conditions b{color:#fff;font-size:29px}.conditions small{font-size:12px}.or{color:#add2f5;font-size:13px}.exclusive .exclusive-note{font-size:12px;color:#bcd6ed}.steps li{border-color:#d2dfed}.steps li>b{color:#4c8dc6}.steps h3{font-size:16px}.steps p{font-size:14px;line-height:1.7}.rules{border-color:#d2dfed;color:#61768a}.rules h3{font-size:14px}.rules p{font-size:12px;line-height:1.9}.page-footer{font-size:11px;color:#6b829a;letter-spacing:0}.sticky{background:#fffffff5;border-color:#ccdced}.sticky b{font-size:14px}.sticky span{font-size:12px;color:#52677e}.sticky button{font-size:16px;padding:16px 20px;color:#fff;gap:12px}.close{color:#52677e}dialog{border-color:#bdd3eb}dialog p{font-size:15px}dialog h2{font-size:23px}.dialog-ok{font-size:16px}@media(max-width:375px){.tier-tabs button{font-size:12px}.conditions b{font-size:26px}.conditions div>span{font-size:11px}.sticky-inner{padding:12px}.sticky b{font-size:13px}.sticky span{font-size:11px}.sticky button{padding:15px 16px;font-size:15px}.grand-prize b{font-size:38px}.gift-symbol{font-size:40px}.reward-row p{font-size:12px}}@media(max-width:350px){.tier-tabs button{font-size:11px}.panel-heading{font-size:12px}.panel-heading b{font-size:15px}.reward-row h3{font-size:14px}.muted{font-size:12px}}
/* 第三版：报名优先的紧凑结构 */
body{background:#e8f0f9}.page{background:#f3f7fc}header{padding:13px 18px;background:#fff}.brand{font-size:10px;letter-spacing:.4px;font-weight:800;color:#0054a5;line-height:1.5}.brand span{font-size:12px;display:block;letter-spacing:3px}.rule-link{font-size:12px}.compact-hero{padding:0;background:white}.kv{width:100%;height:auto;display:block;aspect-ratio:1672/941;object-fit:cover}.hero-content{padding:13px 18px 15px;background:linear-gradient(#f2f9ff,#fff)}.campaign-tag{font-size:11px;color:#3773a9;letter-spacing:2px;margin-bottom:6px}h1{font-size:28px;line-height:1.22;letter-spacing:0;margin:0 0 6px}h1 br{display:none}h1 span{display:block;font-size:25px}.quick-rule{font-size:13px;color:#52677e;margin:8px 0 12px}.quick-rule b{color:#006fcf}.quick-benefits{display:grid;grid-template-columns:repeat(3,1fr);border:1px solid #d3e5f6;border-radius:12px;background:white;padding:12px 0 10px;box-shadow:0 5px 15px #005aab08}.quick-benefits>div{display:flex;align-items:center;flex-direction:column;border-right:1px solid #e4edf6}.quick-benefits>div:last-child{border:0}.icon{width:32px;height:32px;display:block;color:#006fcf;flex:none}.quick-benefits h3{font-size:13px;margin:7px 0 5px;font-weight:600}.quick-benefits b{font-size:26px;line-height:1.1;color:#0054a5;font-variant-numeric:tabular-nums}.quick-benefits span{font-size:11px;color:#61768a;margin-top:5px}.extra-link{display:flex;align-items:center;gap:6px;text-decoration:none;color:#365d84;font-size:11px;padding:10px 0}.extra-link .icon{width:22px;height:22px}.extra-link>b{margin-left:auto;font-size:22px}.primary-cta{display:flex;align-items:center;justify-content:center;gap:18px;background:linear-gradient(100deg,#007bdf,#0054a5);color:#fff;font-weight:650;width:100%;border:0;border-radius:9px;min-height:50px;font-size:16px;box-shadow:0 6px 14px #006fcf28}.hero-footnote{text-align:center;font-size:10px;letter-spacing:0;color:#6b829a;margin:10px 0 0}section.benefits,section.prizes{padding:23px 18px}.section-label{display:block;margin-bottom:7px;font-size:11px}.section-heading h2,.prizes h2{font-size:23px;letter-spacing:-.5px;margin-bottom:6px}.section-intro{font-size:13px;margin:0 0 13px}.tier-tabs,.reward-panel{display:none}.all-tiers{background:#fff;border:1px solid #cbdff2;border-radius:11px;overflow:hidden}.all-tiers table{margin:0;font-size:14px;table-layout:fixed}.all-tiers th{font-size:12px;background:#e7f2ff;color:#315f89;padding:12px 2px;white-space:nowrap}.all-tiers th:first-child{width:31%}.all-tiers td{padding:13px 2px;font-variant-numeric:tabular-nums}.all-tiers td:first-child{font-weight:650}.all-tiers td:nth-child(2){color:#006fcf;font-weight:700}.all-tiers tr:last-child td{border-bottom:0;background:#f0f7ff}.table-note{font-size:11px;line-height:1.7;color:#61768a;margin:10px 0 0}.secondary-cta{width:100%;border:1px solid #006fcf;border-radius:8px;background:#fff;color:#0064ba;font-size:15px;padding:13px;margin-top:14px;font-weight:600}.prizes{background:#e9f2fc}.prize-grid{grid-template-columns:repeat(3,1fr);border:0;background:transparent;gap:8px}.prize-grid>div{background:#fff;border:1px solid #d6e4f3;border-radius:9px;min-height:89px;gap:9px;font-size:11px}.prize-grid>div>span{font-size:11px;color:#365d84}.prize-grid .icon{width:31px;height:31px}.exclusive{padding:23px 18px;position:relative}.exclusive>.icon{position:absolute;right:20px;top:24px;width:43px;height:43px;color:#a7d4ff}.exclusive h2{font-size:24px;margin-bottom:8px}.exclusive>p{font-size:13px;margin:0}.conditions{margin-top:15px;padding:16px 0}.conditions b{font-size:28px}.exclusive .exclusive-note{font-size:11px;line-height:1.7;margin-top:10px}.final-pitch{padding:26px 18px;background:#fff;text-align:center}.final-pitch h2{font-size:23px}.final-pitch p{font-size:14px;color:#61768a;margin:8px 0 17px}.rules{padding-top:16px;margin:0 18px}.rules p{font-size:11px}.page-footer{padding-bottom:108px}.sticky-inner{padding:12px 16px}.sticky button{min-width:140px;justify-content:center;box-shadow:0 4px 12px #006fcf20}.sticky b{font-size:13px}.sticky span{font-size:11px}@media(min-width:600px){body{padding-top:0}}@media(max-width:350px){.hero-content{padding:11px 14px}.quick-benefits h3{font-size:12px}.quick-benefits span{font-size:10px}h1{font-size:26px}h1 span{font-size:24px}.extra-link{font-size:10px}.all-tiers table{font-size:13px}.conditions b{font-size:25px}.sticky button{min-width:123px}}
/* 第四版：移动端宽度、首屏除重与奖励阶梯 */
html,body{width:100%;margin:0}body{padding:0;overflow-x:hidden}.page{width:100%;max-width:480px;min-width:0}img,svg{max-width:100%}.compact-title{font-size:15px;font-weight:500;line-height:1.6;margin:0 0 12px;letter-spacing:0;white-space:normal}.compact-title b{color:#006fcf;font-size:20px}.hero-content{padding:12px 16px 17px}.quick-benefits{padding:10px 0}.quick-benefits .icon{width:29px;height:29px}.quick-benefits h3{margin:5px 0;font-size:13px}.quick-benefits b{font-size:25px}.extra-link{padding:9px 0;font-size:11px}.primary-cta{min-height:49px;font-size:17px;letter-spacing:2px}.sticky[hidden]{display:none!important}.sticky{animation:slide-in .2s ease-out}.sticky-inner{width:100%;box-sizing:border-box}.tier-visual{position:relative;margin:14px 0 16px;background:linear-gradient(150deg,#e7f4ff,#f8fcff);border:1px solid #d2e6fa;border-radius:14px;padding:30px 10px 12px;overflow:hidden}.trophy{position:absolute;right:13px;top:2px;width:64px;height:64px;transform:rotate(8deg);filter:drop-shadow(0 4px 4px #a06b2020)}.tier-track{display:flex;align-items:flex-end;gap:6px;padding-top:21px}.milestone{flex:1;min-width:0;display:flex;align-items:center;flex-direction:column;position:relative}.level{width:25px;height:25px;display:grid;place-items:center;border-radius:50%;background:white;border:1px solid #9bc9ef;color:#006fcf;font-weight:750;font-size:13px;z-index:1;margin-bottom:7px;box-shadow:0 3px 6px #005aab0f}.step{height:calc(12px + var(--step)*10px);width:100%;background:linear-gradient(135deg,#51b5f6,#006fcf);border-radius:5px 5px 0 0;box-shadow:inset 0 2px 0 #ffffff55}.milestone:nth-child(5) .step{background:linear-gradient(135deg,#2589da,#003d83)}.milestone b{font-size:11px;white-space:nowrap;color:#244f77;margin-top:8px;font-variant-numeric:tabular-nums}.visual-note{display:block;text-align:center;font-size:10px;color:#64809b;margin-top:10px}.ecard-banner{display:flex;align-items:center;justify-content:space-between;background:linear-gradient(120deg,#006fcf,#003c81);padding:22px 18px;border-radius:14px;color:white;margin-bottom:15px;overflow:hidden;gap:10px}.ecard-banner>div>span{font-size:12px;color:#cce9ff}.ecard-banner h2{font-size:40px;white-space:nowrap;letter-spacing:-1px;margin:6px 0}.ecard-banner h2 small{font-size:12px;letter-spacing:0;margin-right:4px}.ecard-banner p{margin:0;font-size:16px}.ecard-art{position:relative;flex:none;width:114px;height:76px;background:linear-gradient(135deg,#fff,#c9e8ff);border:1px solid white;color:#0060ae;border-radius:8px;padding:10px;transform:rotate(12deg);box-shadow:0 12px 18px #00254d55}.ecard-art>span{font-size:10px!important;color:#0054a5!important}.ecard-art b{display:block;font-size:22px;letter-spacing:2px;margin-top:8px}.ecard-art i{position:absolute;right:9px;bottom:8px;color:#c9963c;font-size:29px;font-style:normal}.prize-grid .icon{width:37px;height:37px}.prize-grid>div{min-height:94px}.rules{padding:18px 0}.rules summary{font-size:13px;color:#375b80;cursor:pointer}.page-footer{padding-bottom:105px}.exclusive{margin:0}.exclusive .conditions{margin-top:18px}.exclusive .section-label{padding-right:48px}@keyframes slide-in{from{transform:translateY(100%)}to{transform:translateY(0)}}@media(max-width:360px){.compact-title{font-size:13px}.compact-title b{font-size:18px}.hero-content{padding-left:12px;padding-right:12px}.ecard-banner{padding:18px 12px}.ecard-banner h2{font-size:34px}.ecard-art{width:100px;height:70px}.milestone b{font-size:10px}.tier-track{gap:4px}.quick-benefits span{font-size:10px}.prize-grid>div>span{font-size:10px}}@media(prefers-reduced-motion:reduce){.sticky{animation:none}html{scroll-behavior:auto}}
/* 第五版：首屏利益聚焦，四张连续礼遇卡 */
.hero-highlights{display:grid;grid-template-columns:1fr 1fr;gap:8px}.highlight{min-width:0;border:1px solid #cce1f4;border-radius:10px;background:#fff;padding:11px 10px;text-decoration:none;color:#173b61;display:flex;flex-direction:column;justify-content:center;min-height:101px}.highlight>span{font-size:13px;font-weight:600}.highlight>b{font-size:34px;color:#005eae;line-height:1.2;margin:5px 0;font-variant-numeric:tabular-nums;letter-spacing:-1px}.highlight small{font-size:11px;letter-spacing:0;margin:0 3px;font-weight:500}.highlight em{font-size:10px;line-height:1.5;font-style:normal;color:#607c96}.highlight-star{background:linear-gradient(135deg,#006fcf,#00458d);border-color:#006fcf}.highlight-star>b,.highlight-star>span{color:#fff}.highlight-star em{color:#d2eaff}.highlight .text-reward{font-size:15px;line-height:1.6;letter-spacing:0}.highlight-event{background:#e7f1ff;border-color:#a9cbed}.highlight-event .text-reward{font-size:18px}.highlight-event i{float:right;font-style:normal;color:#006fcf}.entry-note{text-align:center;font-size:12px;color:#526c86;margin:12px 0 10px}.entry-note b{color:#005eae}.compact-title{font-size:16px;font-weight:650;margin-bottom:11px}.journey{padding-top:25px!important;padding-bottom:12px!important}.journey-heading h2{font-size:22px;line-height:1.4}.tier-visual{margin-bottom:22px}.benefit-card{position:relative;border:1px solid #d1e2f2;background:#fff;border-radius:16px;padding:18px 15px;margin-top:16px;box-shadow:0 6px 22px #003d8110;scroll-margin-top:16px}.benefit-card+.benefit-card:before{content:'';position:absolute;height:17px;width:2px;background:#b9d5ee;top:-18px;left:28px}.card-top{display:flex;align-items:center;gap:8px;color:#4c7497;font-size:12px;margin-bottom:14px}.card-number{background:#006fcf;color:white;display:grid;place-items:center;width:28px;height:28px;border-radius:50%;font-size:12px;font-weight:700;flex:none}.card-type{margin-left:auto;font-size:11px;color:#0063b8;border:1px solid #c8dff3;border-radius:20px;padding:4px 8px}.benefit-card>h2{font-size:23px;line-height:1.4;margin:0 0 7px}.card-lead{font-size:13px;line-height:1.7;color:#60778d;margin:0 0 16px}.coupon-display{position:relative;border:1px solid #abd0f2;border-radius:10px;padding:16px 20px;color:#005bb0;background:linear-gradient(110deg,#eff8ff,#dcedff);display:flex;flex-direction:column;overflow:hidden}.coupon-display:after{content:'¥';position:absolute;right:12px;top:15px;font-size:83px;line-height:1;color:#b7d7f4;transform:rotate(15deg)}.coupon-display>span{font-size:14px;font-weight:600}.coupon-display>b{font-size:65px;line-height:1.1;z-index:1;font-weight:750}.coupon-display small{font-size:14px;font-weight:500;margin-right:5px}.coupon-display em{font-style:normal;font-size:11px;position:relative;z-index:1}.mini-caption{font-size:11px;color:#60778d;margin:16px 0 9px}.reward-scale{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:3px}.reward-scale>div{display:flex;flex-direction:column;text-align:center;border-right:1px solid #e1ebf5;gap:7px}.reward-scale>div:last-child{border:0}.reward-scale span{font-size:10px;color:#627d96;font-variant-numeric:tabular-nums;white-space:nowrap}.reward-scale b{font-size:21px;color:#0062b6}.reward-scale small{font-size:10px;margin-left:2px;font-weight:500}.ai-pack{display:flex;gap:18px;align-items:center;padding:20px 12px;background:linear-gradient(125deg,#e9f2ff,#f3edff);border-radius:12px}.ai-orb{width:64px;height:64px;flex:none;position:relative;display:grid;place-items:center;background:linear-gradient(135deg,#72c8ff,#1764c5 60%,#8d76d6);border-radius:19px;box-shadow:inset 0 2px 6px #ffffff88,0 8px 16px #346dbe30;color:#fff;font-size:25px;font-weight:700;transform:rotate(-7deg)}.ai-orb span{position:absolute;right:-8px;top:-14px;color:#6d76bc;font-size:30px}.ai-pack b{font-size:15px}.ai-pack b span{font-size:11px;color:#73819b;font-weight:400}.ai-pack p{font-size:12px;color:#60778d;margin:8px 0 0}.lottery-card .ecard-banner{margin:15px 0 0;padding:20px 12px}.lottery-card .prize-grid{margin-top:18px;gap:6px}.lottery-card .prize-grid>div{min-height:84px;background:#f4f9ff}.lottery-card .prize-grid>div>span{font-size:10px}.event-card{background:#073b75;border-color:#073b75;color:#fff}.event-card .card-top{color:#c8e3ff}.event-card .card-number{background:#d3e9ff;color:#074c8a}.event-card .card-type{border-color:#527ea8;color:#d3e9ff}.event-card .card-lead{color:#c9def1}.event-illustration{height:130px;background:linear-gradient(120deg,#246ca2,#387fae);position:relative;border-radius:10px;overflow:hidden;margin:16px 0}.event-sun{position:absolute;width:58px;height:58px;background:linear-gradient(#fff0bf,#dfbd77);border-radius:50%;top:16px;left:48px}.event-arch{position:absolute;width:76px;height:132px;right:38px;top:15px;border:14px solid #cce3ed;border-bottom:0;border-radius:80px 80px 0 0;transform:rotate(8deg)}.event-table{position:absolute;left:23px;bottom:-38px;width:175px;height:80px;background:#c6dce8;border-radius:50%;border-top:9px solid #eef7fc}.event-table span{position:absolute;top:-38px;left:65px;color:#fff4ce;font-size:38px}.event-label{position:absolute;bottom:14px;right:12px;font-size:9px;letter-spacing:1.5px;color:#e2f1ff}.event-card .conditions{margin-top:0;padding:10px 0 0;border:0}.event-card .conditions div>span{font-size:11px;color:#bdd8ef}.event-card .conditions b{font-size:27px;color:white}.event-card .or{color:#b2cfe8}.journey-end{display:flex;flex-direction:column;text-align:center;gap:9px;padding:23px 0 5px}.journey-end b{font-size:15px;color:#27567f}.journey-end span{font-size:11px;color:#6d8398}@media(max-width:350px){.highlight{padding:10px 8px}.highlight>b{font-size:30px}.highlight .text-reward{font-size:13px}.highlight-event .text-reward{font-size:16px}.compact-title{font-size:15px}.ai-pack{gap:12px}.ai-pack b{font-size:13px}.event-card .conditions b{font-size:24px}}
/* 第六版：五档门槛前置、横向利益三栏、纵向压缩 */
header{padding:9px 16px}.brand{font-size:9px}.brand span{font-size:11px}.kv-atmosphere{height:140px;position:relative;background-image:linear-gradient(90deg,#e0f0ff 0%,#e0f0fff2 35%,#d8eeff33 75%),url('../assets/images/campaign-kv.png');background-size:100% 100%,auto 210%;background-position:center,right 45%;overflow:hidden}.kv-slogan{position:absolute;left:20px;top:29px;color:#071f52;font-family:'Songti SC','STSong',serif;font-size:29px;font-weight:800;line-height:1.35;letter-spacing:-1px;text-shadow:0 1px 8px #ffffffaa}.kv-slogan span{color:#0055b3}.hero-content{padding:12px 14px 15px}.compact-title{font-size:15px;line-height:1.4;margin-bottom:10px}.head-thresholds{border:1px solid #ccdef0;background:#f0f7ff;border-radius:9px;padding:8px 8px 10px;margin-bottom:10px}.threshold-label{font-size:10px;color:#577994;display:block;margin-bottom:8px}.threshold-track{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));position:relative}.threshold-track:before{content:'';position:absolute;top:10px;left:10%;right:10%;height:2px;background:#abd0f0}.threshold-track>div{display:flex;align-items:center;flex-direction:column;gap:6px;z-index:1}.threshold-track i{font-style:normal;width:22px;height:22px;border-radius:50%;background:#006fcf;color:white;display:grid;place-items:center;font-size:11px;border:2px solid #f0f7ff}.threshold-track b{font-size:12px;color:#164e7b;font-variant-numeric:tabular-nums;white-space:nowrap}.three-highlights{grid-template-columns:repeat(3,minmax(0,1fr));gap:5px;margin-bottom:12px}.three-highlights .highlight{padding:10px 6px;min-height:105px;justify-content:flex-start;text-align:center}.three-highlights .highlight>span{font-size:12px;white-space:nowrap}.three-highlights .highlight>b{font-size:26px;letter-spacing:-1px;display:flex;align-items:baseline;justify-content:center;flex-wrap:wrap;gap:1px;line-height:1.15;margin:9px 0 7px}.three-highlights .highlight small{font-size:9px;margin:0;letter-spacing:0}.three-highlights .highlight em{font-size:10px;line-height:1.4}.three-highlights .highlight .text-reward{font-size:16px;letter-spacing:-.5px;line-height:1.9;margin:4px 0}.journey{padding:19px 14px 6px!important}.journey-heading h2{font-size:21px;margin:0 0 12px}.benefit-card{margin-top:12px;padding:14px 13px;border-radius:12px}.benefit-card+.benefit-card:before{height:13px;top:-14px}.card-top{margin-bottom:9px;font-size:11px}.card-number{width:24px;height:24px;font-size:11px}.card-type{padding:3px 7px;font-size:10px}.benefit-card>h2{font-size:21px;margin-bottom:10px}.coupon-display{padding:10px 16px}.coupon-display>span{font-size:12px}.coupon-display>b{font-size:51px}.coupon-display:after{font-size:68px;top:8px}.mini-caption{margin:12px 0 8px;font-size:10px}.reward-scale>div{gap:4px}.reward-scale b{font-size:20px}.ai-pack{padding:14px 10px;gap:16px}.ai-orb{width:53px;height:53px;border-radius:15px;font-size:23px}.ai-pack p{font-size:11px;margin-top:7px}.lottery-card .ecard-banner{margin-top:10px;padding:14px 10px}.ecard-banner h2{font-size:35px;margin:4px 0}.ecard-art{width:99px;height:66px}.ecard-art b{font-size:19px;margin-top:6px}.lottery-card .prize-grid{margin-top:12px;gap:5px}.lottery-card .prize-grid>div{min-height:74px;gap:6px}.prize-grid .icon{width:29px;height:29px}.event-illustration{height:90px;margin:12px 0}.event-sun{width:43px;height:43px;top:9px}.event-arch{height:100px;width:63px;top:9px;border-width:11px}.event-table{bottom:-42px}.event-table span{font-size:27px;top:-29px}.event-label{font-size:8px;bottom:10px}.event-card .card-lead{font-size:12px;margin-bottom:0}.event-card .conditions b{font-size:26px;margin-top:6px}.rules{padding:14px 0;margin:0 16px}.page-footer{padding-top:5px;font-size:10px}@media(max-width:350px){.kv-atmosphere{height:126px}.kv-slogan{font-size:26px;left:16px;top:25px}.hero-content{padding-left:10px;padding-right:10px}.compact-title{font-size:14px}.threshold-track b{font-size:11px}.three-highlights .highlight>b{font-size:24px}.three-highlights .highlight .text-reward{font-size:14px}.three-highlights .highlight>span{font-size:11px}.three-highlights .highlight em{font-size:9px}}