:root{--mist:#F4FAFC;--white:#fff;--pale:#E7F3F6;--title:#0E3A46;--text:#24505A;--muted:#4A7380;--aux:#7A9AA4;--sea:#1A7F8F;--bright:#2BB3C4;--deep:#0F5B68;--light:#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(--mist);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;line-height:1.75;overflow-x:hidden}a{color:var(--deep);text-decoration:none}a:hover{color:var(--sea)}button,a{outline:none}a:focus-visible,button:focus-visible{outline:3px solid rgba(43,179,196,.4);outline-offset:3px}img{max-width:100%;display:block}.mist-line{position:fixed;z-index:1000;top:0;left:0;right:0;height:20px;background:var(--title);color:#fff;font-size:12px}.top-inner,.dock-inner,.shell-tabs-inner,.footer-inner,.content-wrap{width:min(1180px,calc(100% - 32px));margin:0 auto}.top-inner{height:20px;display:flex;align-items:center;justify-content:space-between}.text-button{min-height:20px;border:0;background:transparent;color:#fff;padding:0 6px;cursor:pointer}.dock-bar{position:fixed;z-index:999;top:20px;left:0;right:0;height:62px;background:#fff;border-bottom:1px solid var(--border)}.dock-inner{height:62px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:14px}.brand-link{justify-self:start;min-height:44px;display:flex;align-items:center}.brand-logo{height:36px;width:auto;object-fit:contain}.brand-fallback{font-weight:800;color:var(--title);font-size:20px}.drawer-button,.app-link{min-height:44px;border-radius:12px;border:1px solid var(--border);padding:0 18px;display:inline-flex;align-items:center;justify-content:center;font-weight:700;cursor:pointer}.drawer-button{background:var(--pale);color:var(--title)}.app-link{justify-self:end;background:linear-gradient(135deg,#2BB3C4 0%,#1A7F8F 55%,#0F5B68 100%);color:#fff}.app-link:hover{color:#fff;filter:brightness(1.03)}.shell-tabs{position:fixed;z-index:998;top:82px;left:0;right:0;height:42px;background:var(--light);border-bottom:1px solid var(--border)}.shell-tabs-inner{height:42px;display:flex;align-items:center;gap:8px}.shell-tabs a{padding:6px 12px;border-radius:8px;font-size:14px}.shell-tabs a.is-active{background:var(--sea);color:#fff}.site-main{padding-top:148px}.content-wrap{padding-bottom:50px}.hero-banner{background:#fff;border:1px solid var(--border);box-shadow:var(--shadow);border-radius:16px;padding:12px;overflow:visible}.hero-banner img{width:100%;height:auto;object-fit:contain;object-position:center;border-radius:10px}.banner-placeholder{aspect-ratio:16/9;display:flex;align-items:center;justify-content:center;background:var(--light);color:var(--title);font-size:30px;font-weight:800;border-radius:10px}.intro-block{padding:34px 4px 14px}.eyebrow{display:inline-block;color:var(--sea);font-weight:800;letter-spacing:.08em;font-size:13px}.intro-block h1,.page-hero h1{font-size:clamp(28px,4vw,32px);line-height:1.3;color:var(--title);margin:8px 0 14px}.lead{font-size:17px;max-width:800px}.button-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:20px}.button-primary,.button-secondary{min-height:44px;padding:10px 18px;border-radius:12px;font-weight:800;display:inline-flex;align-items:center}.button-primary{background:linear-gradient(135deg,#2BB3C4 0%,#1A7F8F 55%,#0F5B68 100%);color:#fff}.button-primary:hover{color:#fff}.button-secondary{background:#fff;border:1px solid var(--border);color:var(--deep)}.section-block{margin:30px 0;background:#fff;border:1px solid var(--border);border-radius:16px;padding:28px;box-shadow:var(--shadow)}.section-block.soft{background:var(--pale)}.section-head{display:flex;justify-content:space-between;align-items:end;gap:16px;margin-bottom:18px}.section-head h2,.section-block h2{margin:0;color:var(--title);font-size:24px}.section-head p{margin:0;color:var(--muted)}.step-grid,.card-grid,.four-grid,.three-grid,.gallery-grid{display:grid;gap:16px}.step-grid,.card-grid,.four-grid{grid-template-columns:repeat(4,1fr)}.three-grid{grid-template-columns:repeat(3,1fr)}.step-item,.pebble,.info-card,.gallery-item,.list-card{background:#fff;border:1px solid var(--border);border-radius:14px;padding:18px}.step-item.alt,.info-card.alt{background:var(--light)}.step-item strong,.pebble h3,.info-card h3,.gallery-item h3,.list-card h3{color:var(--title);display:block;margin:0 0 8px}.tag{display:inline-block;background:var(--sea);color:#fff;border-radius:8px;padding:4px 8px;font-size:12px;margin-bottom:10px}.tag.deep{background:var(--deep)}.content-image{width:100%;height:210px;object-fit:contain;object-position:center;background:#fff;border-radius:12px;margin-bottom:14px}.image-slot{height:210px;background:var(--light);border:1px dashed var(--border);border-radius:12px;margin-bottom:14px}.number-list{display:grid;gap:10px}.number-item{display:grid;grid-template-columns:52px 1fr;gap:14px;padding:14px 0;border-top:1px solid var(--border)}.number-item:first-child{border-top:0}.number-item b{color:var(--sea);font-size:20px}.album-list{display:grid;gap:12px}.album-row{display:grid;grid-template-columns:120px 1fr;gap:18px;padding:16px;border:1px solid var(--border);border-radius:14px;background:#fff}.album-row span{font-weight:800;color:var(--title)}.gallery-grid{grid-template-columns:repeat(4,1fr)}.gallery-item img{height:180px;width:100%;object-fit:contain;background:var(--mist);border-radius:10px;margin-bottom:12px}.page-hero{margin-bottom:24px;padding:26px;background:linear-gradient(180deg,#fff,var(--pale));border:1px solid var(--border);border-radius:16px;box-shadow:var(--shadow)}.page-hero p{max-width:850px}.article-flow{display:grid;gap:18px}.article-flow section{background:#fff;border:1px solid var(--border);border-radius:16px;padding:24px}.article-flow h2{color:var(--title);font-size:22px;margin:0 0 10px}.article-flow h3{color:var(--deep);margin:14px 0 6px}.article-flow ul{padding-left:20px}.quote-note{border-left:4px solid var(--bright);padding:12px 16px;background:var(--pale);border-radius:0 12px 12px 0}.faq-list details{background:#fff;border:1px solid var(--border);border-radius:14px;padding:18px 20px;margin-bottom:12px}.faq-list summary{cursor:pointer;font-weight:800;color:var(--title)}.faq-list p{margin:12px 0 0}.site-footer{background:var(--title);color:#D4E8EC;padding:42px 0 78px;margin-top:30px}.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:26px}.footer-logo{height:34px;width:auto;object-fit:contain;filter:brightness(0) invert(1)}.footer-brand div{display:flex;flex-direction:column}.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}.footer-grid h2{font-size:15px;color:#fff}.footer-grid a{display:block;color:#D4E8EC;padding:4px 0}.footer-note{border-top:1px solid rgba(255,255,255,.15);padding-top:22px;margin-top:28px}.copyright{color:#AFCBD1}.overlay{position:fixed;z-index:1100;inset:0;background:rgba(14,58,70,.35);opacity:0;visibility:hidden;pointer-events:none;transition:.25s}.overlay.is-open{opacity:1;visibility:visible;pointer-events:auto}.tide-drawer{position:fixed;z-index:1200;top:0;right:0;width:min(410px,86vw);height:100vh;background:var(--mist);box-shadow:-20px 0 50px rgba(14,58,70,.18);transform:translateX(104%);visibility:hidden;pointer-events:none;transition:transform .28s ease,visibility .28s;overflow-y:auto;padding:18px}.tide-drawer.is-open{transform:translateX(0);visibility:visible;pointer-events:auto}.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px}.drawer-brand{display:flex;align-items:center;gap:10px}.drawer-brand img{height:32px;width:auto;object-fit:contain}.drawer-brand div{display:flex;flex-direction:column}.drawer-brand span{font-size:12px;color:var(--muted)}.icon-close{min-height:44px;border:1px solid var(--border);background:#fff;color:var(--title);border-radius:12px;padding:0 14px;cursor:pointer}.wave-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.wave-card{background:#fff;border:1px solid var(--border);border-radius:16px;padding:14px}.wave-card:nth-child(2),.wave-card:nth-child(3){transform:translateY(8px)}.wave-card h2{font-size:16px;color:var(--title);margin:0 0 8px}.wave-card a{display:block;padding:10px 0;border-top:1px solid var(--border)}.wave-card a:first-of-type{border-top:0}.wave-card strong,.wave-card span{display:block}.wave-card span{font-size:12px;color:var(--muted);line-height:1.55;margin-top:2px}.search-layer{position:fixed;z-index:1190;top:82px;left:50%;transform:translate(-50%,-16px);width:min(820px,calc(100% - 32px));opacity:0;visibility:hidden;pointer-events:none;transition:.22s}.search-layer.is-open{transform:translate(-50%,0);opacity:1;visibility:visible;pointer-events:auto}.search-card{background:#fff;border:1px solid var(--border);box-shadow:var(--shadow);border-radius:16px;padding:22px}.search-head{display:flex;justify-content:space-between;gap:20px}.search-head h2{color:var(--title);margin:4px 0 12px;font-size:22px}.search-appearance{min-height:50px;border:1px solid var(--border);background:var(--mist);border-radius:12px;display:flex;align-items:center;gap:12px;padding:0 16px;color:var(--muted)}.preset-links{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}.preset-links a{min-height:44px;display:inline-flex;align-items:center;padding:0 14px;border:1px solid var(--border);border-radius:10px;background:var(--pale)}.no-scroll{overflow:hidden}.mobile-bottom{display:none}.app-product{display:grid;grid-template-columns:minmax(220px,360px) 1fr;gap:30px;align-items:center}.app-product img{max-height:420px;width:100%;object-fit:contain}.icon-chip{display:flex;align-items:center;gap:12px}.icon-chip img{width:64px;height:64px;object-fit:contain;border-radius:14px}.legal-index{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.legal-index section{background:#fff;border:1px solid var(--border);border-radius:14px;padding:20px}
@media(max-width:900px){.step-grid,.card-grid,.four-grid,.gallery-grid{grid-template-columns:repeat(2,1fr)}.three-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:repeat(2,1fr)}.app-product{grid-template-columns:1fr}.legal-index{grid-template-columns:1fr}}
@media(max-width:680px){body{padding-bottom:62px}.shell-tabs{display:none}.site-main{padding-top:104px}.top-inner,.dock-inner,.footer-inner,.content-wrap{width:min(100% - 32px,1180px)}.dock-inner{grid-template-columns:1fr auto auto;gap:8px}.brand-logo{max-width:120px;height:32px}.drawer-button,.app-link{padding:0 10px;font-size:14px}.section-block{padding:20px;margin:20px 0}.step-grid,.card-grid,.four-grid,.gallery-grid{grid-template-columns:1fr}.album-row{grid-template-columns:1fr}.page-hero{padding:22px}.wave-grid{grid-template-columns:1fr}.wave-card:nth-child(2),.wave-card:nth-child(3){transform:none}.search-layer{top:82px;width:calc(100% - 20px)}.search-card{background:var(--pale)}.footer-grid{grid-template-columns:1fr 1fr}.mobile-bottom{position:fixed;z-index:1050;left:0;right:0;bottom:0;display:grid;grid-template-columns:repeat(5,1fr);min-height:50px;padding-bottom:env(safe-area-inset-bottom);background:#fff;border-top:1px solid var(--border)}.mobile-bottom a{min-height:50px;display:flex;align-items:center;justify-content:center;font-size:13px}.mobile-bottom a.is-active{background:var(--sea);color:#fff}.site-footer{padding-bottom:90px}.content-image,.image-slot{height:190px}}