:root{--bg:#F4FAFC;--white:#fff;--soft:#E7F3F6;--title:#0E3A46;--text:#24505A;--muted:#4A7380;--hint:#7A9AA4;--sea:#1A7F8F;--bright:#2BB3C4;--deep:#0F5B68;--pale:#D7EEF2;--border:rgba(26,127,143,.16);--shadow:0 14px 34px rgba(14,58,70,.08)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.75;overflow-x:hidden}body.locked{overflow:hidden}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}.site-header{position:fixed;inset:0 0 auto 0;z-index:80}.mist-line{height:20px;background:var(--title);color:#fff;display:flex;align-items:center;justify-content:space-between;padding:0 max(16px,calc((100vw - 1180px)/2));font-size:12px}.mist-brand{color:#fff}.search-open,.drawer-open,.drawer-close,.search-close{border:0;background:transparent;font:inherit;cursor:pointer}.search-open{color:#fff;padding:0 8px}.dock-bar{height:62px;background:#fff;border-bottom:1px solid var(--border);display:grid;grid-template-columns:1fr auto 1fr;align-items:center;padding:0 max(16px,calc((100vw - 1180px)/2));gap:16px}.brand-link{justify-self:start;display:flex;align-items:center;min-width:44px}.brand-logo{height:36px;width:auto;object-fit:contain}.brand-text{font-size:20px;font-weight:800;color:var(--title)}.drawer-open{justify-self:center;min-height:44px;padding:0 18px;border:1px solid var(--border);border-radius:12px;color:var(--deep);background:#fff}.app-link{justify-self:end;display:inline-flex;align-items:center;min-height:44px;padding:0 18px;border-radius:12px;background:linear-gradient(135deg,#2BB3C4 0%,#1A7F8F 55%,#0F5B68 100%);color:#fff}.shell-tabs{height:42px;background:var(--pale);border-bottom:1px solid var(--border)}.shell-tabs-inner{max-width:1180px;height:100%;margin:auto;display:flex;align-items:center;gap:8px;padding:0 16px}.shell-tabs a{padding:5px 10px;border-radius:8px;color:var(--deep);font-size:14px}.shell-tabs a.active{background:var(--sea);color:#fff}.site-main{padding-top:124px}.wrap{max-width:1180px;margin:0 auto;padding:0 16px}.section{padding:58px 0}.section.compact{padding:36px 0}.hero-banner-slot{background:var(--soft);border:1px solid var(--border);min-height:160px;display:flex;align-items:center;justify-content:center}.hero-banner{width:100%;height:auto;object-fit:contain;object-position:center}.hero-copy{padding:28px 0 8px}.eyebrow{color:var(--sea);font-weight:700;letter-spacing:.08em;font-size:14px}.hero-copy h1,.page-hero h1{margin:.2em 0 .45em;color:var(--title);font-size:clamp(28px,4vw,32px);line-height:1.3}.lead{font-size:17px;max-width:820px}.button-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:20px}.btn{display:inline-flex;min-height:44px;align-items:center;padding:0 18px;border-radius:12px;border:1px solid var(--border);background:#fff;color:var(--deep)}.btn.primary{background:linear-gradient(135deg,#2BB3C4 0%,#1A7F8F 55%,#0F5B68 100%);color:#fff;border:0}.step-grid,.card-grid,.footer-grid,.gallery-grid,.info-grid{display:grid;gap:18px}.step-grid{grid-template-columns:repeat(4,1fr)}.step-card,.card,.article-card,.faq-item,.notice,.album-row{background:#fff;border:1px solid var(--border);border-radius:16px;box-shadow:var(--shadow)}.step-card{padding:20px;min-height:150px}.step-card b{display:inline-block;color:#fff;background:var(--sea);padding:2px 8px;border-radius:8px;margin-bottom:8px}.step-card:nth-child(even) b{background:var(--deep)}.step-card p{margin:.2em 0 .8em}.text-link{color:var(--sea);font-weight:700}.section-title{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:22px}.section-title h2{margin:0;color:var(--title);font-size:26px}.section-title p{margin:0;color:var(--muted)}.feature-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:26px;align-items:center}.image-slot{background:var(--soft);border:1px solid var(--border);border-radius:16px;min-height:220px;display:flex;align-items:center;justify-content:center;padding:12px}.content-image{max-height:240px;width:100%;height:auto;object-fit:contain;object-position:center}.number-list{list-style:none;padding:0;margin:0}.number-list li{display:grid;grid-template-columns:48px 1fr;gap:12px;padding:14px 0;border-bottom:1px solid var(--border)}.number-list strong{color:var(--sea);font-size:20px}.card-grid{grid-template-columns:repeat(4,1fr)}.card{overflow:visible;padding-bottom:18px}.card .image-slot{border:0;border-bottom:1px solid var(--border);border-radius:16px 16px 0 0;min-height:190px}.card .content-image{max-height:210px}.card-body{padding:18px}.card h3,.article-card h2,.article-card h3{margin:.1em 0 .5em;color:var(--title)}.public-grid{grid-template-columns:repeat(4,1fr)}.article-card{padding:24px}.album-list{display:grid;gap:12px}.album-row{display:grid;grid-template-columns:120px 1fr;gap:18px;padding:16px;align-items:center}.album-mark{height:80px;background:var(--pale);display:flex;align-items:center;justify-content:center;border-radius:12px;color:var(--deep);font-weight:800}.gallery-grid{grid-template-columns:repeat(2,1fr)}.gallery-card{background:#fff;border:1px solid var(--border);border-radius:16px;padding:12px}.gallery-card .image-slot{min-height:180px}.gallery-card p{padding:0 8px}.route-list{display:grid;gap:16px}.route-list article{border-left:4px solid var(--bright);padding:8px 0 8px 18px}.page-hero{padding:44px 0 24px}.page-hero .image-slot{margin-top:22px}.prose{max-width:900px}.prose p{margin:0 0 1.15em}.prose h2{color:var(--title);font-size:24px;margin:1.8em 0 .55em}.prose h3{color:var(--deep);font-size:19px}.info-grid{grid-template-columns:repeat(3,1fr)}.notice{padding:20px;background:var(--soft);color:var(--deep)}.faq-list{display:grid;gap:16px}.faq-item{padding:22px}.faq-item h2{font-size:19px;color:var(--title);margin:0 0 8px}.faq-item p{margin:0}.app-layout{display:grid;grid-template-columns:minmax(220px,360px) 1fr;gap:40px;align-items:center}.app-visual .content-image{max-height:420px}.icon-small{max-width:72px;max-height:72px;object-fit:contain}.page-mask{position:fixed;inset:0;background:rgba(14,58,70,.32);z-index:89;opacity:0;pointer-events:none;transition:.2s}.page-mask.active{opacity:1;pointer-events:auto}.tide-drawer{position:fixed;top:0;right:0;width:min(410px,86vw);height:100dvh;background:var(--bg);z-index:90;transform:translateX(102%);visibility:hidden;pointer-events:none;transition:transform .24s ease,visibility .24s;padding:20px;overflow:auto}.tide-drawer.open{transform:translateX(0);visibility:visible;pointer-events:auto}.drawer-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}.drawer-brand{display:flex;gap:10px;align-items:center;font-weight:800;color:var(--title)}.drawer-logo{height:32px;width:auto;object-fit:contain}.drawer-close,.search-close{min-height:44px;padding:0 14px;border:1px solid var(--border);border-radius:12px;background:#fff;color:var(--deep)}.wave-groups{display:grid;gap:14px}.wave-card{background:#fff;border:1px solid var(--border);border-radius:18px;padding:16px}.wave-card h2{font-size:16px;margin:0 0 10px;color:var(--sea)}.drawer-links{display:grid;grid-template-columns:1fr 1fr;gap:8px}.drawer-links a{padding:10px;border-radius:12px;background:var(--soft);min-height:70px}.drawer-links b{display:block;color:var(--title)}.drawer-links span{display:block;font-size:12px;color:var(--muted);line-height:1.45;margin-top:4px}.search-layer{position:fixed;z-index:91;top:82px;left:0;right:0;visibility:hidden;pointer-events:none;transform:translateY(-10px);opacity:0;transition:.2s}.search-layer.open{visibility:visible;pointer-events:auto;transform:none;opacity:1}.search-card{max-width:760px;margin:16px auto;background:#fff;border:1px solid var(--border);border-radius:16px;box-shadow:var(--shadow);padding:20px}.search-head{display:flex;justify-content:space-between;align-items:center;color:var(--title)}.search-look{margin:16px 0;padding:16px;border-radius:12px;background:var(--soft);color:var(--muted)}.search-presets{display:flex;gap:10px;flex-wrap:wrap}.search-presets a{min-height:44px;display:inline-flex;align-items:center;padding:0 14px;border:1px solid var(--border);border-radius:12px;color:var(--deep)}.site-footer{background:var(--title);color:#D4E8EC;margin-top:40px}.footer-inner{max-width:1180px;margin:auto;padding:48px 16px 30px}.footer-brand{display:flex;gap:12px;align-items:center;margin-bottom:28px}.footer-logo{height:36px;width:auto;object-fit:contain}.footer-brand strong,.footer-brand span{display:block}.footer-grid{grid-template-columns:repeat(4,1fr)}.footer-grid h2{font-size:15px;color:#fff}.footer-grid a{display:block;color:#D4E8EC;margin:6px 0}.footer-note{border-top:1px solid rgba(255,255,255,.14);padding-top:22px;margin-top:28px}.copyright{color:#9fc4cb}.mobile-bottom{display:none}.footer-grid a:hover,.text-link:hover,.shell-tabs a:hover{text-decoration:underline}.btn:focus-visible,.drawer-open:focus-visible,.search-open:focus-visible,.app-link:focus-visible,a:focus-visible,button:focus-visible{outline:3px solid rgba(43,179,196,.35);outline-offset:2px}
@media(max-width:900px){.step-grid,.card-grid,.public-grid{grid-template-columns:repeat(2,1fr)}.feature-grid,.app-layout{grid-template-columns:1fr}.info-grid{grid-template-columns:1fr 1fr}.shell-tabs{display:none}.site-main{padding-top:82px}.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){body{padding-bottom:calc(50px + env(safe-area-inset-bottom))}.mist-line{padding:0 16px}.dock-bar{padding:0 16px;grid-template-columns:minmax(0,1fr) auto auto;gap:8px}.brand-logo{max-width:126px;height:32px}.drawer-open,.app-link{padding:0 10px;font-size:14px}.site-main{padding-top:82px}.section{padding:40px 0}.step-grid,.card-grid,.public-grid,.gallery-grid,.info-grid{grid-template-columns:1fr}.album-row{grid-template-columns:78px 1fr}.album-mark{height:64px}.search-layer{top:82px;padding:0 10px}.search-card{margin:8px auto;background:var(--soft)}.drawer-links{grid-template-columns:1fr}.mobile-bottom{position:fixed;display:grid;grid-template-columns:repeat(5,1fr);left:0;right:0;bottom:0;z-index:70;background:#fff;border-top:1px solid var(--border);height:calc(50px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom)}.mobile-bottom a{display:flex;align-items:center;justify-content:center;min-width:0;font-size:13px}.mobile-bottom a.active{background:var(--sea);color:#fff}.footer-inner{padding-bottom:32px}.hero-banner-slot{min-height:120px}.hero-copy{padding-top:22px}.feature-grid{gap:18px}}