/* 首屏定位、直接购买入口与脱敏荣誉墙。 */
.hero{background:radial-gradient(ellipse at 90% 35%,#e6eef5 0,transparent 58%),linear-gradient(120deg,#fcfcfa,#f6f9fc)}
.hero-grid{grid-template-columns:1.08fr 1fr;gap:50px;padding-top:48px;padding-bottom:48px;min-height:600px}
.hero h1{margin:0 0 23px;font-size:54px;line-height:1.3;letter-spacing:-.045em}
.hero h1 .hero-directions{display:block;font-size:26px;line-height:1.6;letter-spacing:-.04em;color:var(--ink);font-weight:700;margin-bottom:9px;white-space:nowrap}
.hero h1 .hero-platform{display:block;font-size:58px;line-height:1.32;font-weight:800;letter-spacing:-.035em}
.hero-intro{font-size:14px;line-height:1.95;max-width:560px}
.hero-value{gap:8px 18px;margin:20px 0 25px}
.hero-value>span{font-size:11px}
.hero-purchases{display:grid;grid-template-columns:1fr 1fr;gap:12px;max-width:560px}
.hero-purchases .button{justify-content:space-between;text-align:left;gap:12px;padding:15px 19px;min-height:75px;border-radius:10px}
.hero-purchases strong{font-size:14px;font-weight:650;display:block;white-space:nowrap}
.hero-purchases small{font-size:10px;font-weight:400;display:block;margin-top:5px;color:#d5e5ff;letter-spacing:.04em}
.hero-buy-youth small{color:#7c8da2}
.hero-buy-youth{background:#ffffffbd}
.hero-wechat{display:inline-flex;align-items:center;gap:10px;padding:11px 0;margin-top:11px;border:0;background:none;font-size:12px;color:#5b7189;min-height:42px}
.hero-wechat:hover{color:var(--blue)}
.hero-wechat strong{color:#2c5d83;font-weight:650;margin-left:10px;letter-spacing:.03em}
.wechat-symbol{display:grid;place-items:center;color:#2c916c;background:#e7f3ed;width:25px;height:25px;border-radius:50%;font-size:14px}
.hero-explore{gap:24px;margin-top:8px;font-size:11px;color:#73879c}
.hero-explore a{padding:4px 0;border-bottom:1px solid #dce4ee}
.hero-explore a:hover{color:var(--blue)}
.hero-explore a span{margin-left:12px}
.certificate-art{padding:0 0 31px;width:100%;isolation:isolate}
.certificate-wall{position:relative;height:485px;overflow:hidden;border-radius:20px;background:#12312d;box-shadow:0 24px 55px -20px #143c4640;border:1px solid #1946412b;transform:rotate(1deg)}
.certificate-wall>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center;filter:brightness(.78) saturate(.75);opacity:.95}
.certificate-shade{position:absolute;inset:0;background:linear-gradient(180deg,#102f34c7 0%,#1739360a 31%,#102e3838 49%,#092d37f2 88%,#0b2c36 100%)}
.certificate-topline{position:absolute;top:23px;left:26px;right:26px;display:flex;align-items:center;justify-content:space-between;color:#ecf3e8;font-size:10px;letter-spacing:.075em}
.certificate-topline>span:first-child{display:flex;align-items:center;gap:8px}
.certificate-topline i{width:5px;height:5px;border-radius:50%;background:#d8e6b5;box-shadow:0 0 0 4px #daeeb01a}
.certificate-topline>span:last-child{font-size:13px;letter-spacing:.12em;color:#c0d1ca}
.certificate-caption{position:absolute;left:31px;bottom:31px;right:25px;color:#f2f4e8}
.certificate-kicker{display:block;font-size:10px;color:#c8d7c2;letter-spacing:.1em;margin-bottom:13px}
.certificate-caption>strong{display:block;font-size:34px;line-height:1.45;letter-spacing:.01em;font-weight:650}
.certificate-caption>a{display:inline-flex;align-items:center;gap:35px;font-size:11px;color:#c8dfdf;margin-top:18px;border-bottom:1px solid #cadae338;padding-bottom:5px}
.certificate-caption>a:hover{color:white}
.certificate-proof{position:absolute;right:-12px;bottom:0;display:flex;align-items:center;gap:13px;padding:16px 22px;background:#fffef8;border:1px solid #e6e7d9;border-radius:12px;box-shadow:0 12px 30px #314b5421;transform:rotate(-2deg)}
.proof-mark{display:grid;place-items:center;width:41px;height:41px;background:#f0eddd;border-radius:50%;font-size:25px;color:#a58b46}
.certificate-proof strong{display:block;font-size:27px;font-weight:700;letter-spacing:-.035em;color:#284b4b;line-height:1.3}
.certificate-proof strong small{font-size:11px;letter-spacing:0;font-weight:550;margin-left:7px;color:#50635e}
.certificate-proof div>span{font-size:9px;color:#929787;display:block;margin-top:4px}
@media(min-width:1600px){.hero-grid{min-height:635px}.hero h1 .hero-directions{font-size:28px}.hero h1 .hero-platform{font-size:64px}.certificate-wall{height:510px}}
@media(max-width:1199px){.hero-grid{gap:32px;min-height:560px}.hero h1 .hero-directions{font-size:23px}.hero h1 .hero-platform{font-size:51px}.hero-intro{font-size:12px}.hero-value>span{font-size:10px}.hero-purchases{gap:9px}.hero-purchases .button{padding:13px 12px;min-height:72px;gap:8px}.hero-purchases strong{font-size:12px}.hero-purchases small{font-size:9px}.certificate-wall{height:452px}.certificate-caption>strong{font-size:31px}.certificate-proof{right:-4px;padding:14px 17px}}
@media(max-width:960px){.hero-grid{gap:26px;min-height:530px}.hero h1 .hero-directions{font-size:18px}.hero h1 .hero-platform{font-size:43px}.hero-value{flex-direction:column;gap:5px;margin:16px 0 21px}.hero-purchases{grid-template-columns:1fr}.hero-purchases .button{min-height:54px;padding:10px 15px}.hero-purchases .button>span:first-child{display:flex;flex-wrap:wrap;align-items:center;column-gap:9px;row-gap:2px}.hero-purchases strong{font-size:12px}.hero-purchases small{margin-top:0;font-size:9px}.hero-wechat{font-size:10px;gap:6px;margin-top:7px}.hero-wechat strong{margin-left:6px}.hero-explore{font-size:10px;gap:21px;margin-top:4px}.certificate-wall{height:450px}.certificate-topline{left:20px;right:20px;font-size:8px}.certificate-caption{left:24px;bottom:29px}.certificate-caption>strong{font-size:27px}.certificate-kicker{font-size:8px}.certificate-proof strong{font-size:25px}.certificate-proof strong small{font-size:10px}.certificate-proof div>span{font-size:8px}.proof-mark{width:33px;height:33px;font-size:22px}}
@media(max-width:680px){.hero-grid{grid-template-columns:1fr;gap:29px;padding-top:32px;padding-bottom:24px;min-height:0}.hero .eyebrow{font-size:10px;margin-bottom:18px}.hero h1 .hero-directions{font-size:clamp(17px,5.2vw,23px);letter-spacing:-.045em;margin-bottom:7px}.hero h1 .hero-platform{font-size:clamp(36px,10.8vw,49px);letter-spacing:-.04em;line-height:1.35}.hero h1{margin-bottom:16px}.hero-intro{font-size:12px;line-height:1.95}.hero-value{flex-direction:row;flex-wrap:wrap;gap:6px 10px;margin:17px 0 21px}.hero-value>span{font-size:10px}.hero-purchases{grid-template-columns:1fr 1fr;gap:9px}.hero-purchases .button{min-height:75px;padding:11px 12px;gap:4px}.hero-purchases .button>span:first-child{display:block}.hero-purchases strong{font-size:11px;letter-spacing:-.035em}.hero-purchases small{font-size:9px;margin-top:6px}.hero-purchases .button>span:last-child{font-size:11px}.hero-wechat{font-size:12px;margin-top:9px;gap:8px}.hero-wechat strong{font-size:12px}.hero-explore{margin-top:6px;font-size:11px;gap:25px}.hero-explore a{padding:3px 0}.certificate-art{max-width:480px;padding:0 4px 26px;margin:auto}.certificate-wall{height:377px;border-radius:15px;transform:rotate(.8deg)}.certificate-topline{font-size:9px;top:20px;left:22px;right:22px}.certificate-topline>span:last-child{font-size:11px}.certificate-caption{left:24px;bottom:26px}.certificate-caption>strong{font-size:28px}.certificate-kicker{font-size:9px;margin-bottom:11px}.certificate-caption>a{font-size:10px;margin-top:13px}.certificate-proof{padding:12px 16px;right:1px;bottom:0;gap:10px}.certificate-proof strong{font-size:24px}.certificate-proof strong small{font-size:10px}.certificate-proof div>span{font-size:8px}.proof-mark{width:31px;height:31px;font-size:21px}.hero-bottom{padding:16px 0}.certificate-shade{background:linear-gradient(180deg,#102f34b7 0%,#17393608 31%,#102e3828 49%,#092d37f2 88%,#0b2c36 100%)}}
@media(max-width:360px){.hero-purchases .button{padding-inline:9px}.hero-purchases strong{font-size:10px}.hero-purchases small{font-size:8px}.hero h1 .hero-directions{font-size:17px}.hero h1 .hero-platform{font-size:36px}.hero-value>span{font-size:9px}.certificate-wall{height:345px}.certificate-caption>strong{font-size:26px}}
.hero-purchases{grid-template-columns:repeat(2,minmax(0,1fr));max-width:none;gap:10px}
.hero-purchases .button{padding:15px 17px;min-height:82px;gap:10px;min-width:0}
.hero-purchases strong{font-size:15px}
.hero-purchases small{font-size:10px;letter-spacing:0}
.hero-buy-all{order:0}.hero-purchases .hero-wechat{order:1}.hero-buy-youth{order:2}.hero-community{order:3}
.hero-purchases .hero-wechat{display:flex;margin:0;background:#168367;border:1px solid #168367;color:#fff;border-radius:10px;text-align:left;font-size:14px}
.hero-purchases .hero-wechat:hover{background:#106d55;border-color:#106d55;box-shadow:0 7px 20px #16836723;transform:translateY(-2px)}
.hero-purchases .hero-wechat strong{color:#fff;margin:0;font-weight:650;letter-spacing:0;font-size:15px}
.hero-purchases .hero-wechat small{color:#dcf5ec}
.hero-community{background:#fff7e9;border-color:#edc992;color:#73400f}
.hero-community small{color:#95662e}
.hero-community:hover{background:#ffefd2;border-color:#dba85e;box-shadow:0 7px 20px #b9762020}
.hero-explore{margin-top:18px}
@media(max-width:1199px){.hero-purchases{grid-template-columns:repeat(2,minmax(0,1fr))}.hero-buy-youth{grid-column:auto}.hero-purchases .button{min-height:72px;padding:12px 14px}.hero-purchases strong,.hero-purchases .hero-wechat strong{font-size:14px}}
@media(max-width:960px){.hero-purchases{grid-template-columns:1fr;gap:9px}.hero-purchases .button{min-height:62px;padding:11px 15px}.hero-purchases .button>span:first-child{display:block}.hero-purchases small{margin-top:4px}}
@media(max-width:680px){.hero-purchases{grid-template-columns:1fr;gap:10px}.hero-purchases .button{min-height:69px;padding:12px 18px}.hero-purchases strong,.hero-purchases .hero-wechat strong{font-size:15px;letter-spacing:0}.hero-purchases small{font-size:10px;margin-top:5px}.hero-purchases .button>span:last-child{font-size:14px}.hero-explore{margin-top:15px}}
@media print{.hero-purchases,.hero-wechat,.hero-explore{display:none}.hero h1 .hero-directions{font-size:24px}.hero h1 .hero-platform{font-size:40px}}