:root{--blue:#0069ff;--ink:#172c45;--muted:#65758a;--line:#e5edf6;--shadow:0 8px 24px #284d7a0a,0 2px 5px #284d7a05}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:16px}body{margin:0;background:#e8f0fa;color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,'PingFang SC','Microsoft YaHei',sans-serif;-webkit-font-smoothing:antialiased}button,a{-webkit-tap-highlight-color:transparent}button{font:inherit;cursor:pointer}a{color:inherit;text-decoration:none}h1,h2,h3,p{margin:0}h1,h2,h3{font-weight:800}img{display:block;max-width:100%}.page{width:100%;max-width:480px;margin:auto;background:radial-gradient(ellipse 100% 350px at 60% 0,#c9e0ff,transparent),#f6f9fd;overflow:hidden;padding-bottom:110px}header{display:flex;align-items:center;justify-content:space-between;padding:18px 18px 9px}.brand{font-size:11px;font-weight:800;letter-spacing:.5px;display:flex;align-items:center;gap:7px}.brand 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#fff}.benefit-nav i{font-style:normal;width:24px;height:24px;border-radius:50%;display:grid;place-items:center;background:#eef5ff;color:var(--blue);font-size:14px}.benefit-nav a:first-child i{background:var(--blue);color:white;box-shadow:0 3px 7px #0069ff30}.benefits{padding:0 14px}.benefit-card{margin-top:17px;padding:16px 12px 15px;background:#fff;border-radius:25px;border:1px solid #ffffff;box-shadow:var(--shadow);scroll-margin-top:15px}.card-heading{display:flex;align-items:center;justify-content:space-between;padding:0 3px 14px;gap:8px}.eyebrow{display:block;font-size:12px;color:#6c7e94;margin-bottom:6px;font-weight:600}.card-heading h2{font-size:21px;letter-spacing:-.5px}.circle-arrow{flex:none;display:grid;place-items:center;width:29px;height:29px;border-radius:50%;background:#f2f6fa;color:#6d7d90;font-size:18px}.coupon-scene,.gift-scene{height:173px;position:relative;border-radius:19px;overflow:hidden;background:radial-gradient(ellipse at 80% 5%,#fff 0%,transparent 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b{display:block;font-size:13px;white-space:nowrap}.sticky-inner>div>span{display:block;font-size:11px;margin-top:5px;color:#6e8198}.sticky .signup-button{width:46%;flex:none}dialog{border:1px solid #fff;border-radius:26px;width:calc(100% - 40px);max-width:350px;background:#f6faff;color:var(--ink);padding:30px 22px 22px;text-align:center;box-shadow:0 24px 80px #12385933}dialog::backdrop{background:#112d4c66;backdrop-filter:blur(7px)}dialog h2{font-size:23px}dialog p{font-size:14px;color:#697d94;line-height:1.8;margin:15px 0 20px}.close{position:absolute;right:14px;top:8px;background:none;border:0;font-size:26px;color:#8091a3}.dialog-symbol{font-size:38px;color:var(--blue);margin-bottom:15px}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid #68a9ff;outline-offset:4px}@keyframes slide-in{from{transform:translateY(100%)}to{transform:translateY(0)}}@media(max-width:360px){.kv h1{font-size:26px}.hero-content{padding-left:12px;padding-right:12px}.threshold-heading 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/* V11：首屏礼遇橱窗，活动说明与五档阶梯后置 */
.page{background:radial-gradient(ellipse 100% 540px at 45% 0,#e1ecfa 10%,#f6f9fd 85%),#f6f9fd}header{padding:16px 20px 4px}.hero-v11{position:relative;padding-top:12px;background:radial-gradient(ellipse at 45% 55%,#fff8 0,transparent 65%)}.hero-copy{padding:0 22px}.campaign-year{font-size:11px;font-weight:600;letter-spacing:2px;color:#6b83a1}.hero-copy h1{font-size:clamp(26px,7.25vw,35px);font-weight:850;line-height:1.35;letter-spacing:-1px;margin-top:10px;color:#19344f}.hero-copy h1>span{color:#075bbb}.rewards-showcase{position:relative;height:316px;margin:4px 0 0;isolation:isolate;overflow:hidden;container-type:inline-size}.showcase-halo{position:absolute;inset:12px 5% 12px;background:radial-gradient(ellipse,#fff 12%,#dceaff80 55%,transparent 72%);z-index:-3}.showcase-orbit{position:absolute;width:86%;height:184px;top:55px;left:7%;border:1px solid #c8d8eb77;border-radius:50%;transform:rotate(-18deg);z-index:-2}.showcase-plinth{position:absolute;width:81%;height:50px;left:9.5%;top:245px;border-radius:50%;background:linear-gradient(#fff,#d0ddec);box-shadow:0 17px 26px #245c9720,inset 0 -5px 4px #c7d5e750;z-index:-1}.showcase-coupon{position:absolute;left:6%;top:24px;width:45%;height:177px;border-radius:16px;background:linear-gradient(120deg,#fff 3%,#eef6ff 40%,#d3e6fb);border:1px solid #fff;box-shadow:0 14px 25px #24599320,inset 0 0 0 4px #ffffff44;transform:rotate(-11deg);padding:17px 16px;color:#075ab5}.object-label{font-size:13px;font-weight:650}.showcase-coupon strong{display:block;font-size:58px;line-height:1.05;letter-spacing:-2px;margin:6px 0 3px}.showcase-coupon strong small{font-size:12px;font-weight:600;letter-spacing:0;margin-right:4px}.object-caption{font-size:10px;color:#6388af}.coupon-tear{position:absolute;left:0;right:0;bottom:43px;border-top:1px dashed #93b6dc}.coupon-ai{position:absolute;bottom:11px;left:16px;right:16px;display:flex;align-items:center;justify-content:space-between}.coupon-ai b{font-size:18px}.coupon-ai>span{font-size:11px;color:#6485aa}.showcase-ecard{position:absolute;right:6%;top:78px;width:51%;height:140px;border:1px solid #8cbef0;border-radius:17px;background:linear-gradient(120deg,#2688dd,#0b59af 70%,#054b9c);box-shadow:0 15px 24px #0b478333,inset 0 1px 1px #c3e3ffcc,inset 0 -2px 2px #003b7f66;transform:rotate(11deg);padding:17px 15px;color:#e7f4ff;z-index:2}.showcase-ecard:after{content:'';position:absolute;inset:6px;border:1px solid #ffffff18;border-radius:12px;pointer-events:none}.showcase-ecard>.object-label{font-size:12px;letter-spacing:1px}.showcase-ecard strong{display:block;font-size:36px;letter-spacing:-1.5px;margin:11px 0 8px;white-space:nowrap}.showcase-ecard strong small{font-size:10px;letter-spacing:0;font-weight:400;margin-right:3px}.ecard-chip{position:absolute;top:17px;right:17px;width:22px;height:17px;border:1px solid #c6d5e0;border-radius:4px;background:linear-gradient(135deg,#edf4f5,#98bad2)}.ecard-chip:after{content:'';position:absolute;top:5px;left:0;right:0;border-top:1px solid #90adc5}.ecard-bottom{display:flex;justify-content:space-between;align-items:center}.ecard-bottom b{font-size:10px;letter-spacing:2px;font-weight:500}.ecard-bottom>span{font-size:25px;color:#ddba73;line-height:1}.showcase-invite{position:absolute;left:19%;top:173px;width:43%;height:106px;transform:rotate(-4deg);border-radius:10px;border:1px solid #fff;background:linear-gradient(125deg,#fffef8,#f0e7d3);box-shadow:0 12px 18px #34465420;padding:12px 14px;color:#775c2f;z-index:3}.showcase-invite:before{content:'';position:absolute;inset:5px;border:1px solid #d6c7a466;border-radius:6px;pointer-events:none}.invite-top{font-size:9px;letter-spacing:3px;display:block}.invite-seal{position:absolute;right:12px;top:7px;color:#be9852;font-size:23px}.showcase-invite strong{display:block;font-size:19px;letter-spacing:0;margin:12px 0 7px}.showcase-invite>span:last-child{font-size:10px;letter-spacing:.2px}.showcase-label{position:absolute;font-size:10px;color:#557393;display:flex;gap:5px;align-items:center;white-space:nowrap;z-index:4}.showcase-label i{font-style:normal;font-size:9px;color:#86a3c1}.showcase-label b{font-weight:600}.label-one{left:9%;top:6px}.label-two{right:5%;top:49px}.label-three{right:4%;top:257px}.showcase-spark{position:absolute;color:#b3965f;font-weight:400}.spark-a{left:4%;top:217px;font-size:28px}.spark-b{right:8%;top:10px;font-size:33px;color:#99b8da}.hero-action{padding:0 20px 20px}.hero-action .signup-button{height:52px;min-height:52px;font-size:17px;letter-spacing:.4px;box-shadow:0 8px 18px #0062df30,inset 0 1px 1px #ffffff80}.activity-intro{margin:6px 16px 21px;padding:20px 16px 18px;background:#fff;border-radius:24px;box-shadow:var(--shadow)}.section-title>span{font-size:12px;color:#6b819c;font-weight:650}.section-title h2{font-size:19px;letter-spacing:-.5px;margin-top:6px;line-height:1.4}.steps-inline{display:flex;align-items:center;justify-content:space-between;gap:5px;font-size:11px;color:#526d8b;margin-top:18px;padding-bottom:19px;border-bottom:1px solid #e9eff6}.steps-inline>span{display:flex;align-items:center;gap:5px;white-space:nowrap}.steps-inline i{font-size:10px;background:#eef5ff;color:#1766c7;display:grid;place-items:center;width:20px;height:20px;border-radius:50%;font-style:normal;font-weight:700}.steps-inline>b{font-weight:400;color:#9bb0c8}.ladder-heading{display:flex;align-items:center;justify-content:space-between;margin-top:18px}.ladder-heading h3{font-size:16px}.ladder-heading>span{font-size:11px;color:#6b819c}.spend-ladder{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));align-items:end;gap:7px;margin-top:17px}.spend-ladder>div{display:flex;align-items:center;flex-direction:column;gap:7px;position:relative}.ladder-level{font-size:11px;font-weight:750;color:#4575a9}.ladder-bar{height:calc(15px + var(--level)*9px);width:100%;background:linear-gradient(140deg,#aad3ff,#5f9fdf);border-radius:6px 6px 2px 2px;box-shadow:inset 0 1px 0 #ffffffaa}.spend-ladder>div:last-child .ladder-bar{background:linear-gradient(140deg,#3e93e8,#0757b7)}.spend-ladder b{font-size:12px;white-space:nowrap;letter-spacing:-.3px}.benefit-card{margin-top:16px}.card-heading h2{font-size:20px}.sticky-inner>div{display:none}.sticky-inner{padding:10px 20px}.sticky .signup-button{width:100%;height:52px;min-height:52px;font-size:17px;letter-spacing:.4px}.life-grid{grid-template-columns:repeat(3,minmax(0,1fr))}@media(max-width:360px){.hero-copy{padding-left:18px;padding-right:18px}.hero-copy h1{font-size:26px}.rewards-showcase{height:302px}.showcase-coupon{padding-left:13px;width:46%;height:169px}.showcase-coupon strong{font-size:52px}.showcase-ecard{padding:15px 12px;height:134px;right:5%;top:81px;width:52%}.showcase-ecard strong{font-size:32px}.showcase-invite{width:45%;left:17%;height:101px}.showcase-invite strong{font-size:17px}.showcase-invite>span:last-child{font-size:9px}.showcase-plinth{top:237px}.label-three{top:257px;right:3%;font-size:9px}.activity-intro{margin-left:12px;margin-right:12px;padding-left:13px;padding-right:13px}.section-title h2{font-size:18px}.steps-inline{font-size:10px;gap:3px}.steps-inline i{width:17px;height:17px;font-size:9px}.spend-ladder b{font-size:11px}.card-heading h2{font-size:18px}.hero-action,.sticky-inner{padding-left:16px;padding-right:16px}}
/* 错开前后物件，确保券上的AI权益完整露出 */
.showcase-invite{top:195px}.showcase-plinth{top:266px}.label-three{top:282px}.spark-a{top:235px}@media(max-width:360px){.showcase-invite{top:190px}.showcase-plinth{top:257px}.label-three{top:276px}}
/* V12：精修首屏、任务进度与底部礼遇浮层 */
.hero-v11{padding-top:14px;background:radial-gradient(ellipse at 65% 65%,#ffffffdd 0,transparent 65%)}.hero-copy h1{font-size:clamp(27px,7.4vw,35px);letter-spacing:-1.1px;line-height:1.36}.campaign-year{font-size:10px;letter-spacing:2.5px}.rewards-showcase{height:315px;margin-top:9px}.showcase-halo{inset:3px 0 0;background:radial-gradient(ellipse at 48% 55%,#ffffff 5%,#deebfc88 50%,transparent 71%)}.showcase-light{position:absolute;left:13%;top:33px;width:73%;height:180px;border-radius:50%;background:linear-gradient(145deg,#ffffffaa,#a6c6eb22);filter:blur(25px);z-index:-2}.showcase-orbit{opacity:.5;top:53px;border-color:#c4d6ea;width:88%;height:204px;left:6%}.showcase-coupon{top:22px;left:8%;width:44%;height:177px;background:linear-gradient(117deg,#fff 0%,#f5faff 32%,#d5e6fa 85%,#eef7ff);box-shadow:-4px -3px 11px #ffffffdd,7px 17px 25px #2f548e1c,inset 0 0 0 3px #fff5;transform:rotate(-10deg);border-color:#ffffff}.showcase-coupon strong{font-size:61px;font-weight:750;letter-spacing:-3px;text-shadow:0 1px 1px #fff}.showcase-coupon .object-label{font-size:14px}.object-caption{font-size:11px}.coupon-ai b{font-size:17px}.showcase-ecard{top:80px;right:6%;width:50%;height:140px;background:linear-gradient(115deg,#378bce 0%,#1965ae 30%,#064285 85%);border-color:#9bcaef;box-shadow:0 19px 26px #1c4a7f30,inset 0 1px 0 #e6f5ffcc,inset 0 -2px 2px #06396b;transform:rotate(10deg)}.showcase-ecard strong{position:relative;z-index:1;font-size:36px;letter-spacing:-1.8px;color:#f2f8ff;text-shadow:0 1px 2px #07396e55}.ecard-guilloche{position:absolute;inset:1px;border-radius:16px;background:repeating-radial-gradient(ellipse at 100% 90%,transparent 0,transparent 8px,#ffffff09 9px,#ffffff09 10px);overflow:hidden;pointer-events:none}.showcase-invite{top:199px;left:18%;width:45%;height:99px;background:linear-gradient(120deg,#fffdf6,#f4ead7 75%,#fff8e7);box-shadow:-3px -2px 6px #fff8,3px 12px 18px #6555351c;transform:rotate(-5deg)}.showcase-invite strong{margin-top:10px;font-size:18px}.showcase-invite>span:last-child{font-size:10px}.showcase-plinth{top:264px;width:83%;left:8.5%;height:40px;background:linear-gradient(#ffffff,#d8e4f1);box-shadow:0 17px 24px #245c971c,inset 0 -4px 4px #c7d5e733}.spark-a{font-size:21px;color:#c3a56d;left:5%;top:234px}.spark-b{font-size:27px;right:10%;top:27px;color:#a1bbd7}.hero-action{padding-bottom:21px}.tasks{padding:20px 16px 3px}.tasks-heading{display:flex;align-items:center;justify-content:space-between;gap:10px}.tasks-heading .eyebrow{font-size:11px;margin-bottom:6px}.tasks-heading h2{font-size:20px}.demo-switch{flex:none;font-size:10px;border:1px solid #d8e4f1;background:#fff8;color:#68829d;border-radius:30px;padding:8px}.demo-note{font-size:10px;color:#8b9bb0;margin:10px 0 14px}.task-list{background:#fff;border:1px solid #fff;border-radius:22px;padding:0 14px;box-shadow:var(--shadow)}.task-row{display:flex;align-items:center;gap:10px;min-height:124px;border-bottom:1px solid #eaf0f6}.task-row:last-child{border:0}.task-info{display:flex;align-items:center;gap:11px;flex:1;min-width:0;background:none;border:0;text-align:left;padding:18px 0;color:var(--ink)}.task-icon{width:44px;height:49px;border-radius:14px;background:linear-gradient(140deg,#f3f9ff,#cadff9);border:1px solid #fff;box-shadow:0 4px 8px #2e6eb812;display:grid;place-items:center;flex:none;font-size:24px;font-weight:750;color:#1165ba}.task-icon-lottery{color:#bb9650;background:linear-gradient(135deg,#fffaf0,#eee4d0)}.task-icon-event{background:linear-gradient(135deg,#f0f8fb,#d6e8ef);color:#50788b}.task-copy{display:flex;flex-direction:column;gap:7px;min-width:0}.task-copy strong{font-size:15px;font-weight:750;line-height:1.4}.task-copy>span{font-size:12px;color:#617892;line-height:1.6}.task-copy em{font-size:11px;font-style:normal;color:#8799ad;line-height:1.4}.task-copy em i{font-style:normal;margin-left:4px}.is-ready .task-copy em{color:#0066c8}.task-action{flex:none;width:72px;border:0;border-radius:30px;min-height:36px;padding:9px 7px;font-size:12px;font-weight:650}.ready-action{background:#076bf0;color:#fff;box-shadow:0 3px 8px #0069ff20}.calculating-action{background:#f1f6fc;color:#6e86a0;font-size:11px}.calculating-action>span{display:block;font-size:9px;font-weight:400;margin-top:3px}.rules{padding-top:22px}.modal-open{overflow:hidden}.reward-sheet{position:fixed;inset:auto 0 0;margin:0 auto;width:100%;max-width:480px;max-height:88dvh;border:0;border-radius:26px 26px 0 0;padding:0;background:#f9fbfe;text-align:left;color:var(--ink);overflow:hidden;box-shadow:0 -8px 50px #133b6320}.reward-sheet[open]{display:flex;flex-direction:column;animation:sheet-in .28s cubic-bezier(.2,.75,.25,1)}.reward-sheet::backdrop{background:#102b4a77;backdrop-filter:blur(5px)}.sheet-handle{width:36px;height:4px;flex:none;border-radius:10px;background:#ccd7e4;margin:10px auto 5px}.sheet-close{position:absolute;right:15px;top:13px;z-index:2;width:30px;height:30px;border:0;border-radius:50%;background:#eaf0f7;color:#6c8299;font-size:23px;line-height:1}.sheet-scroll{padding:16px 20px 20px;overflow:auto;overscroll-behavior:contain;flex:1;min-height:0}.sheet-eyebrow{font-size:11px;color:#768ca3;margin-bottom:7px}.sheet-scroll>h2{font-size:23px;margin-bottom:18px;line-height:1.4;padding-right:14px}.sheet-scroll h3{font-size:15px;margin:22px 0 12px}.sheet-reward{position:relative;min-height:149px;border-radius:18px;padding:19px;overflow:hidden;background:linear-gradient(115deg,#edf6ff,#d7e8fc);box-shadow:inset 0 1px 0 #fff}.sheet-reward>span{font-size:14px;color:#306493;font-weight:600}.sheet-reward strong{display:block;color:#075cb8;font-size:57px;line-height:1.25;letter-spacing:-2px;margin:4px 0}.sheet-reward strong small{font-size:13px;font-weight:500;margin-right:5px;letter-spacing:0}.sheet-reward p{font-size:13px;color:#64829f}.sheet-reward i{font-style:normal;position:absolute;right:22px;bottom:16px;font-size:59px;color:#b9d6f3;transform:rotate(10deg)}.reward-lottery{background:linear-gradient(120deg,#1f74c6,#084989)}.reward-lottery>span,.reward-lottery p{color:#d4e9ff}.reward-lottery strong{color:#fff;font-size:46px}.reward-lottery i{color:#b9a474;opacity:.8}.sheet-table{background:#fff;border:1px solid #e3ecf5;border-radius:13px;overflow:hidden}.sheet-table-row{display:flex;align-items:center;justify-content:space-between;padding:12px 15px;font-size:13px;border-bottom:1px solid #edf2f8}.sheet-table-row:last-child{border:0}.sheet-table-row strong{font-size:15px;color:#0064c5}.table-heading{font-size:11px;background:#eff5fc;color:#6e849d}.sheet-ai{display:flex;gap:13px;align-items:center;padding:16px 13px;background:#edf4ff;border-radius:12px;margin-top:14px}.ai-badge{display:grid;place-items:center;width:38px;height:38px;background:#fff;border-radius:10px;color:#1764b6;font-size:17px;font-weight:800}.sheet-ai strong{font-size:14px}.sheet-ai p{font-size:11px;line-height:1.7;color:#6c839c;margin-top:5px}.sheet-prizes{display:flex;flex-wrap:wrap;gap:7px}.sheet-prizes span{border:1px solid #e0eaf5;border-radius:30px;padding:8px 10px;background:#fff;font-size:12px;color:#55718e}.sheet-note{font-size:11px;color:#8595a8;line-height:1.8;margin:12px 0}.sheet-status{display:flex;gap:10px;background:#eaf0f7;border:1px solid #e0e8f1;border-radius:12px;padding:14px;margin-top:22px}.status-dot{width:7px;height:7px;border-radius:50%;background:#8fa2b7;margin-top:5px;flex:none}.sheet-status strong{font-size:14px;color:#617a93}.sheet-status p{font-size:12px;color:#7c91a5;line-height:1.7;margin-top:6px}.status-ready{background:#eaf4ff;border-color:#cce3fc}.status-ready .status-dot{background:#0670dc}.status-ready strong{color:#0568c8}.status-ready p{color:#4f78a4}.sheet-demo{font-size:10px;color:#9aa8b8;margin-top:11px}.sheet-footer{padding:12px 20px calc(12px + env(safe-area-inset-bottom));flex:none;background:#ffffffee;border-top:1px solid #e6edf6}.sheet-footer .signup-button{height:49px;min-height:49px;font-size:15px}.disabled-button{background:#e6edf5;box-shadow:none;color:#97a7ba;cursor:default}.sheet-event-photo{height:170px;border-radius:17px;position:relative;overflow:hidden}.sheet-event-photo img{width:100%;height:100%;object-fit:cover}.sheet-event-photo>span{position:absolute;left:13px;bottom:12px;background:#ffffffed;border-radius:30px;padding:7px 12px;font-size:13px;color:#345c7c}.sheet-event-condition{padding:16px;background:#fff;border:1px solid #e1ebf6;border-radius:12px;display:flex;justify-content:space-between;align-items:center}.sheet-event-condition>span{font-size:12px;color:#73869c}.sheet-event-condition strong{font-size:26px;color:#1162b7;letter-spacing:-1px}.sheet-event-condition small{font-size:12px;margin-left:5px}.condition-or{font-size:11px;text-align:center;color:#8ba0b5;padding:7px}.toast[hidden]{display:none}.toast{position:fixed;left:50%;bottom:calc(96px + env(safe-area-inset-bottom));transform:translateX(-50%);width:max-content;max-width:calc(100% - 36px);padding:13px 17px;border-radius:13px;background:#19344fee;color:#fff;font-size:12px;line-height:1.7;z-index:100;box-shadow:0 8px 25px #102b4a22;pointer-events:none}.reward-sheet:modal~.toast{z-index:100}.sheet-footer .signup-button:disabled{background:#e6edf5;color:#91a3b7;box-shadow:none}@keyframes sheet-in{from{transform:translateY(100%)}to{transform:translateY(0)}}@media(max-width:360px){.hero-copy h1{font-size:26px}.showcase-coupon strong{font-size:53px}.showcase-ecard strong{font-size:31px}.showcase-invite{width:46%;left:16%;top:194px}.showcase-invite strong{font-size:17px}.tasks{padding-left:12px;padding-right:12px}.tasks-heading h2{font-size:18px}.demo-switch{font-size:9px;padding:7px}.task-list{padding:0 11px}.task-row{gap:7px}.task-icon{width:36px;height:43px;font-size:21px;border-radius:12px}.task-info{gap:8px}.task-copy strong{font-size:14px}.task-copy>span{font-size:11px}.task-action{width:65px;font-size:11px}.sheet-scroll{padding-left:16px;padding-right:16px}}@media(prefers-reduced-motion:reduce){.reward-sheet[open]{animation:none}}
.sheet-feedback{font-size:12px!important;line-height:1.7;color:#5c7792!important;margin:10px 0 0!important;text-align:center}
/* V13：明确浮层高度，固定标题/操作区，内容独立滚动 */
.reward-sheet{height:84vh;height:84dvh;max-height:calc(100vh - 24px);max-height:calc(100dvh - 24px);min-height:0;width:100%;max-width:480px;margin:0 auto;padding:0;inset:auto 0 0;border-radius:25px 25px 0 0;background:#fff;overflow:hidden}.reward-sheet[open]{display:grid;grid-template-rows:auto minmax(0,1fr) auto;gap:0}.sheet-header{position:relative;display:flex;align-items:center;justify-content:space-between;gap:16px;flex:none;padding:21px 20px 15px;background:#fff;border-bottom:1px solid #edf2f7}.sheet-header h2{font-size:20px;line-height:1.4}.sheet-header .sheet-close{position:static;width:34px;height:34px;background:#f2f5f8;font-size:26px;color:#4b647f;display:grid;place-items:center;line-height:1;padding:0;flex:none}.sheet-scroll{display:block;min-height:0;height:100%;overflow-y:auto;-webkit-overflow-scrolling:touch;padding:16px 20px 22px;overscroll-behavior:contain;background:#fff}.sheet-scroll>h2{font-size:20px;margin:0 0 13px;line-height:1.5}.sheet-status{margin:0 0 16px;padding:11px 13px;border-radius:11px}.sheet-status strong{font-size:13px}.sheet-status p{font-size:11px;line-height:1.6;margin-top:4px}.sheet-reward{min-height:155px;margin-top:0;border-radius:17px}.sheet-reward strong{font-size:58px}.reward-lottery strong{font-size:47px}.sheet-scroll h3{margin:20px 0 11px;font-size:15px}.sheet-table-row{padding:10px 13px}.sheet-footer{position:relative;z-index:2;min-height:73px;background:#fff;padding:12px 20px calc(12px + env(safe-area-inset-bottom));border-top:1px solid #e7edf5}.sheet-footer:empty{display:none}.sheet-footer .signup-button{min-height:49px;height:49px}.sheet-event-photo{height:175px}.sheet-demo{line-height:1.6;margin-top:16px}@media(max-height:600px){.reward-sheet{height:92vh;height:92dvh}.sheet-header{padding-top:13px;padding-bottom:11px}.sheet-reward{min-height:130px}}@media(max-width:360px){.sheet-scroll{padding-left:16px;padding-right:16px}.sheet-header{padding-left:16px;padding-right:16px}.sheet-scroll>h2{font-size:19px}}
/* V14：报名前仅看条件，报名后聚焦可领权益 */
.page-mode-label{display:inline-flex;font-size:11px;font-weight:650;color:#5d7e9f;background:#eaf2fb;border:1px solid #d9e7f6;padding:5px 9px;border-radius:30px}.before-intro{font-size:12px;line-height:1.8;color:#7389a1;margin:10px 0 13px}.view-conditions{color:#2c6fb4;background:#eef5fd;font-size:11px;font-weight:600;width:78px}.view-conditions>span{margin-left:3px;font-size:15px}.sheet-before-note{font-size:12px;color:#6a839e;line-height:1.8;margin-top:20px}.account-summary{margin:12px 16px 0;padding:18px 18px 16px;border:1px solid #fff;border-radius:22px;background:linear-gradient(120deg,#ffffffee,#e4f0ff);box-shadow:var(--shadow)}.account-top{display:flex;align-items:center;justify-content:space-between;gap:6px}.account-top>a{font-size:11px;color:#6e87a2}.account-summary h1{font-size:25px;margin-top:17px;line-height:1.4;letter-spacing:-.7px}.available-summary{display:flex;align-items:center;justify-content:space-between;margin-top:18px}.available-summary>div>span{font-size:12px;color:#627e9b}.available-summary strong{font-size:45px;line-height:1.2;display:block;color:#0060c6;margin-top:5px;font-weight:750}.available-summary small{font-size:13px;color:#6584a3;font-weight:500;margin-left:8px}.claim-now{display:flex;align-items:center;gap:17px;justify-content:center;padding:13px 20px;border-radius:30px;background:#006af0;color:#fff;font-size:14px;font-weight:700;box-shadow:0 5px 12px #0069ff25}.claim-now>span{font-size:17px}.account-summary>p{font-size:10px;color:#8597ac;margin-top:15px;line-height:1.7}body[data-page=after] .page{padding-bottom:25px}body[data-page=after] .tasks{padding-top:24px}body[data-page=after] .task-list{margin-top:15px}body[data-page=after] .is-ready{background:linear-gradient(90deg,#f0f7ff88,transparent)}body[data-page=before] .task-row{min-height:104px}body[data-page=before] .task-copy>span{font-size:12px}@media(max-width:360px){.account-summary{margin-left:12px;margin-right:12px;padding:16px 14px}.account-top>a{font-size:10px}.page-mode-label{font-size:10px}.account-summary h1{font-size:23px}.view-conditions{width:70px;font-size:10px}.account-summary .claim-now{padding:12px 17px}}