*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#0a0c0f;color:#f5f6f8;font-family:Arial,'Microsoft YaHei','PingFang SC',sans-serif;line-height:1.78}a{text-decoration:none;color:inherit}img{display:block;max-width:100%}
.header{position:sticky;top:0;z-index:60;height:76px;padding:0 max(20px,calc((100vw - 1320px)/2));display:flex;align-items:center;gap:34px;background:rgba(10,12,15,.92);border-bottom:1px solid #20252c;backdrop-filter:blur(14px)}.logo{width:150px}.logo img{width:100%}nav{display:flex;gap:24px;margin-left:auto}nav a{font-size:14px;color:#d3d9df}.header-btn{padding:12px 18px;border-radius:999px;background:#ff5c5c;color:#fff;font-weight:900;font-size:14px}
.hero{position:relative;overflow:hidden;padding:88px max(20px,calc((100vw - 1320px)/2)) 82px;display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:center}.hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.22}.hero-mask{position:absolute;inset:0;background:radial-gradient(circle at right top,rgba(112,16,16,.26),transparent 42%),linear-gradient(110deg,rgba(10,12,15,.96),rgba(10,12,15,.84) 48%,rgba(10,12,15,.72))}.hero>*{position:relative;z-index:1}.eyebrow{margin:0 0 14px;font-size:12px;letter-spacing:.18em;color:#ff7272;font-weight:900}.eyebrow.red{color:#ff7272}.hero h1{font-size:clamp(42px,6vw,78px);line-height:1.03;letter-spacing:-.06em;margin:0 0 16px}.lead{max-width:710px;color:#b4bcc6;font-size:17px}.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin:30px 0 0}.primary,.secondary{padding:14px 22px;border-radius:16px;font-weight:900}.primary{background:#ff5c5c;color:#fff}.secondary{border:1px solid #303640;color:#d5dbe2}
.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.hero-grid figure{margin:0;padding:14px;border-radius:22px;background:#11151a;border:1px solid #222932}.hero-grid img{width:100%;aspect-ratio:4/5;object-fit:cover;border-radius:16px}.hero-grid figure:last-child img{aspect-ratio:16/12}.hero-grid figcaption{padding-top:10px;font-weight:900;text-align:center}
.paths,.issues,.faq{width:min(1320px,calc(100% - 40px));margin:auto;padding:108px 0}.section-head{display:grid;grid-template-columns:220px 1fr .95fr;gap:28px;align-items:end;margin-bottom:30px}.section-head.narrow{grid-template-columns:170px 1fr .95fr}.section-head h2{font-size:clamp(34px,4.8vw,58px);line-height:1.05;letter-spacing:-.05em;margin:8px 0 18px}.section-head p:last-child{color:#929ba6}
.path-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.path-grid article{padding:24px;border-radius:22px;background:#11151a;border:1px solid #222932}.path-grid small{display:block;font-size:11px;letter-spacing:.15em;color:#ff7b7b;font-weight:900;margin-bottom:10px}.path-grid b{display:block;font-size:22px;margin-bottom:10px}.path-grid p{margin:0;color:#adb6c0}
.choose{padding:108px max(20px,calc((100vw - 1320px)/2));background:#f1ece4;color:#171717}.choose-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.choose-grid article{padding:24px;border-radius:22px;background:#fff;border:1px solid #d6cabd}.choose-grid b{display:block;font-size:21px;margin-bottom:10px}.choose-grid p{margin:0;color:#5d5954}
.issue-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.issue-steps article{padding:24px;border-radius:22px;background:#11151a;border:1px solid #222932}.issue-steps span{display:inline-flex;width:42px;height:42px;border-radius:50%;align-items:center;justify-content:center;background:#fff;color:#111;font-weight:900;margin-bottom:14px}.issue-steps h3{margin:0 0 10px;font-size:20px}.issue-steps p{margin:0;color:#adb6c0}
.redownload{width:min(1320px,calc(100% - 40px));margin:auto;padding:0 0 108px}.decision-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.decision-grid article{padding:24px;border-radius:22px;background:#11151a;border:1px solid #222932}.decision-grid b{display:block;font-size:20px;margin-bottom:10px}.decision-grid p{margin:0;color:#adb6c0}
.download-panel{width:min(1320px,calc(100% - 40px));margin:0 auto 28px;padding:26px;border-radius:24px;background:linear-gradient(135deg,#101318,#3a1717);display:flex;align-items:center;justify-content:space-between;gap:18px}.download-panel h2{font-size:clamp(28px,3.6vw,44px);line-height:1.06;letter-spacing:-.05em;margin:8px 0 0}.download-panel a{padding:15px 22px;border-radius:16px;background:#fff;color:#111;font-weight:900;white-space:nowrap}
.faq-list{display:grid;gap:14px}.faq details{background:#11151a;border:1px solid #222932;border-radius:18px;padding:0 20px}.faq summary{cursor:pointer;list-style:none;padding:18px 0;font-weight:900;font-size:18px}.faq summary::-webkit-details-marker{display:none}.faq p{margin:0 0 18px;color:#adb6c0}
.footer{width:min(1320px,calc(100% - 40px));margin:0 auto;padding:22px 0 108px;border-top:1px solid #20262d;color:#929ba6}.footer img{width:150px;margin-bottom:14px}
.mobile-bar{display:none}
@media(max-width:1100px){nav{display:none}.hero,.section-head{grid-template-columns:1fr}.hero-grid,.path-grid,.choose-grid,.issue-steps,.decision-grid{grid-template-columns:1fr 1fr}.download-panel{flex-direction:column;align-items:flex-start}}
@media(max-width:640px){.header{padding:0 14px;height:68px}.header-btn{display:none}.hero{padding:72px 14px 70px}.paths,.issues,.faq,.redownload{width:calc(100% - 28px);padding:74px 0}.hero-grid,.path-grid,.choose-grid,.issue-steps,.decision-grid{grid-template-columns:1fr}.choose{padding:74px 14px}.download-panel{width:calc(100% - 28px);padding:20px}.footer{width:calc(100% - 28px)}.mobile-bar{display:flex;position:fixed;left:12px;right:12px;bottom:12px;justify-content:center;padding:14px 18px;border-radius:16px;background:#ff5c5c;color:#fff;font-weight:900;z-index:70}}

.quick-check{width:min(1320px,calc(100% - 40px));margin:auto;padding:0 0 108px}.quick-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:18px}.quick-grid article{padding:24px;border-radius:22px;background:#11151a;border:1px solid #222932}.quick-grid b{display:block;font-size:19px;margin-bottom:10px}.quick-grid p{margin:0;color:#adb6c0}
@media(max-width:1100px){.quick-grid{grid-template-columns:1fr 1fr}}
@media(max-width:640px){.quick-check{width:calc(100% - 28px);padding:0 0 74px}.quick-grid{grid-template-columns:1fr}}

.help-principles{width:min(1320px,calc(100% - 40px));margin:auto;padding:0 0 108px}.principle-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.principle-grid article{padding:24px;border-radius:22px;background:#11151a;border:1px solid #222932}.principle-grid b{display:block;font-size:20px;margin-bottom:10px}.principle-grid p{margin:0;color:#adb6c0}
@media(max-width:1100px){.principle-grid{grid-template-columns:1fr 1fr}}
@media(max-width:640px){.help-principles{width:calc(100% - 28px);padding:0 0 74px}.principle-grid{grid-template-columns:1fr}}