:root{
  --bg:#E7F4F8;--bg-deep:#D7ECF2;--surface:#F3FAFC;--surface-2:#EAF6F9;
  --title:#163038;--text:#1F3C44;--muted:#4A6E78;--subtle:#6A8C96;
  --blue:#7EB8E0;--cyan:#6EC9D4;--deep:#1A3A44;--fog:#F3FAFC;--kelp:#5A8A6A;
  --line:rgba(26,58,68,.14);--line-strong:rgba(110,201,212,.50);--shadow:0 12px 28px rgba(22,48,56,.08);
  --shell:1000px;--top-h:20px;--brand-h:54px;--shore-h:44px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;overflow-x:hidden}
body{margin:0;background:var(--bg);color:var(--text);font:15px/1.7 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;overflow-x:hidden}
body.panel-lock{overflow:hidden}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
button{color:inherit}
img{display:block;max-width:100%}
.shell{width:min(calc(100% - 32px),var(--shell));margin-inline:auto}
.skip-link{position:fixed;left:12px;top:-60px;z-index:1000;background:var(--fog);padding:8px 12px;border-radius:8px;color:var(--deep)}
.skip-link:focus{top:8px}
.site-header{position:fixed;inset:0 0 auto 0;z-index:80;box-shadow:0 6px 18px rgba(22,48,56,.05)}
.top-strip{height:var(--top-h);background:var(--deep);color:var(--fog);font-size:12px;line-height:20px}
.top-strip-inner{display:flex;justify-content:space-between;align-items:center;height:100%}
.plain-control{border:0;background:transparent;color:inherit;padding:0 4px;min-height:20px;cursor:pointer}
.brand-row{height:var(--brand-h);background:var(--blue);border-bottom:1px solid var(--line-strong)}
.brand-row-inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:16px}
.brand-link{display:flex;align-items:center;min-height:44px;min-width:60px}
.brand-logo,.footer-logo,.bay-menu-brand img{height:24px;width:auto;object-fit:contain;object-position:center}
.brand-fallback{font-size:16px;font-weight:700;color:var(--title)}
.brand-actions{display:flex;align-items:center;gap:8px}
.header-app-link,.menu-toggle{height:44px;display:inline-flex;align-items:center;justify-content:center;padding:0 14px;border-radius:10px;border:1px solid rgba(26,58,68,.26);background:rgba(243,250,252,.7);color:var(--deep);font-size:14px;font-weight:650;white-space:nowrap}
.menu-toggle{cursor:pointer}
.shore-nav{height:var(--shore-h);background:var(--fog);border-bottom:1px solid var(--line)}
.shore-nav-inner{height:100%;display:flex;justify-content:center;gap:64px;align-items:stretch}
.shore-item{min-width:72px;display:flex;flex-direction:column;align-items:center;justify-content:center;font-size:13px;color:var(--muted);line-height:1.1;gap:5px}
.shore-dot{width:6px;height:6px;border-radius:50%;background:var(--cyan)}
.shore-item.is-current{color:var(--deep);font-weight:700}.shore-item.is-current .shore-dot{background:var(--deep)}
.site-main{padding-top:calc(var(--top-h) + var(--brand-h) + var(--shore-h));min-height:70vh}
.page-wrap{width:min(calc(100% - 32px),var(--shell));margin:0 auto;padding:42px 0 64px}
h1,h2,h3{margin:0;color:var(--title);line-height:1.3}h1{font-size:24px}h2{font-size:20px}h3{font-size:16px}
p{margin:0 0 14px}.lead{font-size:16px;color:var(--muted)}.eyebrow{font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--subtle);margin-bottom:8px}
.section{margin-top:34px}.section-head{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:16px}.section-head p{margin:0;color:var(--muted)}
.action-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.btn{min-height:42px;padding:0 18px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;white-space:nowrap;border:1px solid transparent}
.btn-primary{background:linear-gradient(135deg,var(--blue) 0%,var(--cyan) 100%);color:var(--title)}.btn-secondary{background:var(--fog);border-color:var(--deep);color:var(--deep)}
a:hover,.plain-control:hover,button:hover{filter:brightness(.97)}
a:focus-visible,button:focus-visible{outline:3px solid rgba(110,201,212,.72);outline-offset:3px}
.image-slot{background:linear-gradient(135deg,rgba(126,184,224,.22),rgba(110,201,212,.12));border:1px solid var(--line);border-radius:12px;display:flex;align-items:center;justify-content:center;overflow:hidden;min-height:120px}
.image-slot img{width:100%;height:100%;object-fit:contain;object-position:center}.image-slot.short{height:188px}.image-slot.banner{height:200px}.image-slot.app-vertical{height:min(320px,70vw)}.image-slot.medium{height:230px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:20px;box-shadow:var(--shadow)}
.soft-card{background:var(--surface-2);border:1px solid var(--line);border-radius:10px;padding:18px}
.rule-list{display:grid;gap:12px}.rule-item{padding:16px 18px;background:var(--surface);border:1px solid var(--line);border-radius:10px}.rule-item strong{display:block;margin-bottom:4px;color:var(--title)}
.notice{padding:16px 18px;border-left:3px solid var(--cyan);background:var(--surface);border-radius:0 10px 10px 0}
.tag-row{display:flex;flex-wrap:wrap;gap:8px}.tag{display:inline-flex;align-items:center;min-height:32px;padding:0 10px;border-radius:999px;background:var(--surface-2);border:1px solid var(--line);color:var(--muted);font-size:13px}

/* 首页 */
.home-intro{border-left:3px solid var(--cyan);padding:10px 0 10px 22px;max-width:780px}.home-intro .lead{margin-top:12px}.cover-strip{margin-top:30px}
.stagger{display:grid;gap:24px}.stagger-piece{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:22px;align-items:center}.stagger-piece.reverse .stagger-copy{order:-1}.stagger-copy{padding:18px 0}.stagger-copy h3{margin-bottom:8px}
.vertical-notes{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.vertical-note{min-height:260px;background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:18px;display:flex;flex-direction:column;gap:12px}.vertical-note .image-slot{height:110px}.vertical-note h3{writing-mode:vertical-rl;letter-spacing:.08em;height:72px;align-self:flex-start}.vertical-note p{margin:0}
.center-cards{display:grid;grid-template-columns:1fr 1fr;gap:18px;max-width:760px;margin:0 auto}.center-card{text-align:center}.center-card .image-slot{height:140px;margin-bottom:14px}.period-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.period-grid article{background:var(--surface-2);border-top:3px solid var(--cyan);padding:16px;border-radius:0 0 10px 10px}
.status-stack{display:grid;gap:10px}.status-line{display:grid;grid-template-columns:120px 1fr auto;gap:14px;align-items:center;background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:14px 16px}.status-pill{padding:4px 9px;border-radius:999px;background:var(--bg-deep);color:var(--deep);font-size:12px;white-space:nowrap}
.app-band{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(220px,.8fr);gap:26px;align-items:center;background:var(--deep);color:var(--fog);border-radius:12px;padding:26px}.app-band h2,.app-band h3{color:var(--fog)}.app-band p{color:#D5E9EE}.app-visual{display:grid;grid-template-columns:70px 1fr;gap:12px;align-items:start}.icon-slot{height:70px}.faq-mini{display:grid;grid-template-columns:1fr 1fr;gap:12px}.faq-mini article{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:18px}.faq-mini h3{margin-bottom:6px}

/* 潮记 */
.chaoji-hero{display:flex;justify-content:space-between;gap:30px;align-items:end;border-bottom:1px solid var(--line);padding-bottom:22px}.chaoji-flow{display:grid;gap:28px}.chaoji-block{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:center}.chaoji-block:nth-child(even) .copy{order:-1}.chaoji-block .copy{background:var(--surface);padding:22px;border-radius:10px;border:1px solid var(--line)}
/* 岸影 */
.anying-head{max-width:800px}.scene-rail{display:grid;gap:0;border-left:2px solid var(--cyan);margin-top:24px}.scene-row{display:grid;grid-template-columns:140px 1fr;gap:24px;padding:20px 0 20px 24px;border-bottom:1px solid var(--line)}.scene-row h2{font-size:18px}.scene-row p:last-child{margin-bottom:0}
/* 湾簿 */
.wanbu-notes{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;align-items:start}.wanbu-note{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:18px;min-height:330px}.wanbu-note h2{writing-mode:vertical-rl;float:left;margin:0 16px 10px 0;height:110px;letter-spacing:.08em}.wanbu-note .image-slot{height:120px;margin-bottom:14px}
/* 礁台 */
.jiaotai-journal{max-width:760px;margin:0 auto}.journal-entry{padding:24px 0;border-bottom:1px solid var(--line)}.journal-entry h2{display:flex;gap:10px;align-items:center;margin-bottom:10px}.journal-entry h2::before{content:"";width:18px;height:3px;background:var(--cyan);display:inline-block}
/* 旬潮 */
.xunchao-layout{display:grid;grid-template-columns:260px 1fr;gap:28px;align-items:start}.xunchao-layout .image-slot{position:sticky;top:140px;height:220px}.tide-periods{display:grid;gap:18px}.tide-periods article{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:22px}.tide-periods article:nth-child(2){margin-left:38px}.tide-periods article:nth-child(3){margin-left:76px}
/* 湾历 */
.timeline-head{display:grid;grid-template-columns:1fr auto;gap:20px;align-items:end}.timeline-board{display:grid;gap:12px;margin-top:24px}.timeline-item{display:grid;grid-template-columns:130px 1fr;gap:16px;align-items:start;padding:16px 0;border-bottom:1px solid var(--line)}.timeline-state{background:var(--surface-2);border:1px solid var(--line);border-radius:999px;padding:7px 10px;text-align:center;font-size:13px}
/* 岸备 */
.check-columns{display:grid;grid-template-columns:1fr 1fr;gap:16px}.check-card{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:20px}.check-card h2{margin-bottom:12px}.check-card ul{margin:0;padding-left:20px}.check-card li+li{margin-top:8px}
/* 看岸 */
.method-steps{counter-reset:method;display:grid;gap:16px}.method-step{counter-increment:method;display:grid;grid-template-columns:56px 1fr;gap:16px;align-items:start;background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:18px}.method-step::before{content:counter(method);width:42px;height:42px;border-radius:50%;display:grid;place-items:center;background:var(--bg-deep);color:var(--deep);font-weight:800}
/* 潮专 */
.topic-list{display:grid;gap:14px}.topic-row{display:grid;grid-template-columns:180px 1fr auto;gap:18px;align-items:center;padding:18px;background:var(--surface);border:1px solid var(--line);border-radius:10px}.topic-row h2{font-size:18px}.topic-row a{min-height:40px;padding:0 14px;border:1px solid var(--deep);border-radius:9px;display:inline-flex;align-items:center}
/* 湾架 */
.shelf-intro{text-align:center;max-width:760px;margin:0 auto}.shelf-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;max-width:820px;margin:26px auto 0}.shelf-card{text-align:center;background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:22px}.shelf-card .image-slot{height:150px;margin-bottom:14px}
/* APP */
.product-hero{display:grid;grid-template-columns:1.1fr .9fr;gap:30px;align-items:center;background:var(--deep);color:var(--fog);border-radius:12px;padding:28px}.product-hero h1,.product-hero h2{color:var(--fog)}.product-hero .lead{color:#D6E9EE}.product-points{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.product-points article{background:var(--surface);border:1px solid var(--line);padding:18px;border-radius:10px}
/* 条款 */
.policy-layout{display:grid;grid-template-columns:220px 1fr;gap:28px;align-items:start}.policy-aside{position:sticky;top:142px;background:var(--surface-2);padding:18px;border-radius:10px;border:1px solid var(--line)}.policy-aside a{display:block;padding:8px 0;border-bottom:1px solid var(--line)}.policy-content section{padding:0 0 24px;margin-bottom:24px;border-bottom:1px solid var(--line)}.policy-content h2{margin-bottom:10px}
/* 帮助/FAQ/联系/关于 */
.help-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.help-card{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:20px}.help-card h2{margin-bottom:8px}
.faq-list{display:grid;gap:14px}.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:20px}.faq-item h2{font-size:17px;margin-bottom:8px}
.contact-paths{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.contact-path{background:var(--surface);border-left:3px solid var(--cyan);padding:20px;border-radius:0 10px 10px 0}.contact-path h2{margin-bottom:8px}
.about-banner{margin:18px 0 26px}.about-values{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.about-values article{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:18px}

.site-footer{background:#143038;color:#E7F4F8;border-top:1px solid rgba(110,201,212,.55);font-size:13px;padding:34px 0 26px}.footer-inner{display:grid;gap:26px}.footer-brand{display:grid;grid-template-columns:280px 1fr;gap:30px;align-items:start}.footer-brand-line{display:flex;align-items:center;gap:10px}.footer-brand-line strong{font-size:16px}.footer-brand-line span{color:#B9D6DE}.footer-brand p{color:#C8DEE4;max-width:680px}.footer-links{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;padding-top:22px;border-top:1px solid rgba(126,184,224,.2)}.footer-links h2{color:#E7F4F8;font-size:13px;margin-bottom:8px}.footer-links a{display:block;color:#C7DCE2;padding:3px 0}.footer-bottom{padding-top:18px;border-top:1px solid rgba(126,184,224,.2);display:flex;gap:18px;flex-wrap:wrap;color:#C7DCE2}
.page-overlay{position:fixed;inset:0;background:rgba(22,48,56,.34);z-index:88;opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.page-overlay.is-open{opacity:1;visibility:visible;pointer-events:auto}
.bay-menu{position:fixed;z-index:95;left:0;right:0;top:0;height:58vh;min-height:430px;background:var(--fog);transform:translateY(-105%);visibility:hidden;pointer-events:none;transition:transform .25s ease,visibility .25s;box-shadow:var(--shadow);overflow:auto}.bay-menu.is-open{transform:translateY(0);visibility:visible;pointer-events:auto}.bay-menu-head{height:74px;display:flex;align-items:center;justify-content:space-between;padding:0 max(16px,calc((100vw - var(--shell))/2));border-bottom:1px solid var(--line);position:sticky;top:0;background:var(--fog);z-index:2}.bay-menu-brand{display:flex;align-items:center;gap:10px}.bay-menu-brand div{display:grid;line-height:1.2}.bay-menu-brand span{font-size:12px;color:var(--subtle)}.panel-close{min-width:64px;min-height:44px;border:1px solid var(--deep);background:var(--fog);border-radius:10px;cursor:pointer}.bay-menu-grid{width:min(calc(100% - 32px),var(--shell));margin:0 auto;padding:22px 0 30px;display:grid;grid-template-columns:1.1fr 1.1fr .85fr 1.4fr;gap:22px}.bay-menu-grid h2{font-size:14px;margin-bottom:8px}.bay-menu-grid a{display:grid;padding:7px 0;border-bottom:1px solid var(--line)}.bay-menu-grid a strong{font-size:14px}.bay-menu-grid a span{font-size:12px;color:var(--muted)}
.search-layer{position:fixed;z-index:94;top:74px;left:0;right:0;visibility:hidden;pointer-events:none;opacity:0;transition:.2s}.search-layer.is-open{visibility:visible;pointer-events:auto;opacity:1}.search-card{width:min(calc(100% - 32px),760px);margin:12px auto;background:var(--fog);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:12px;padding:20px}.search-card-head{display:flex;justify-content:space-between;gap:16px;align-items:start}.search-card-head>div{display:grid}.search-card-head span{font-size:13px;color:var(--muted)}.search-presets{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}.search-presets a{min-height:44px;padding:0 14px;display:inline-flex;align-items:center;background:var(--surface-2);border:1px solid var(--line);border-radius:10px}
.mobile-bottom{display:none}

@media (max-width:760px){
  :root{--shore-h:0px}.shell,.page-wrap{width:calc(100% - 32px)}.shore-nav{display:none}.site-main{padding-top:calc(var(--top-h) + var(--brand-h));padding-bottom:calc(64px + env(safe-area-inset-bottom))}.page-wrap{padding-top:28px}.brand-actions{gap:6px}.header-app-link,.menu-toggle{padding:0 10px}.brand-logo{max-width:130px}
  h1{font-size:24px}h2{font-size:20px}.section{margin-top:28px}.section-head{align-items:start;flex-direction:column}
  .stagger-piece,.chaoji-block,.product-hero,.app-band,.xunchao-layout,.policy-layout,.footer-brand{grid-template-columns:1fr}.stagger-piece.reverse .stagger-copy,.chaoji-block:nth-child(even) .copy{order:initial}.vertical-notes,.period-grid,.about-values{grid-template-columns:1fr}.vertical-note{min-height:0}.vertical-note h3,.wanbu-note h2{writing-mode:horizontal-tb;height:auto;float:none}.center-cards,.shelf-grid,.faq-mini,.check-columns,.help-grid,.contact-paths,.product-points{grid-template-columns:1fr}.status-line{grid-template-columns:1fr;gap:8px}.app-visual{grid-template-columns:60px 1fr}.icon-slot{height:60px}
  .scene-row{grid-template-columns:1fr;gap:6px;padding-left:18px}.wanbu-notes{grid-template-columns:1fr}.wanbu-note{min-height:0}.xunchao-layout .image-slot{position:static;height:188px}.tide-periods article:nth-child(2),.tide-periods article:nth-child(3){margin-left:0}.timeline-head{grid-template-columns:1fr}.timeline-item{grid-template-columns:1fr}.topic-row{grid-template-columns:1fr}.topic-row a{justify-self:start}.policy-aside{position:static}.footer-links{grid-template-columns:1fr 1fr}.footer-brand{gap:14px}
  .bay-menu{height:58vh;min-height:380px}.bay-menu-grid{grid-template-columns:1fr 1fr;gap:18px}.bay-menu-head{padding:0 16px}
  .search-layer{inset:0;top:0;background:var(--deep)}.search-layer.is-open{display:flex;align-items:flex-start}.search-card{width:100%;margin:0;min-height:100vh;border:0;border-radius:0;background:var(--deep);color:var(--fog);padding:24px 16px}.search-card-head strong{color:var(--fog)}.search-card-head span{color:#C8DEE4}.search-card .panel-close{background:transparent;border-color:var(--fog);color:var(--fog)}.search-presets a{background:rgba(243,250,252,.1);border-color:rgba(243,250,252,.22);color:var(--fog)}
  .mobile-bottom{position:fixed;z-index:82;left:0;right:0;bottom:0;height:calc(48px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);display:grid;grid-template-columns:repeat(4,1fr);background:var(--fog);border-top:1px solid var(--line);box-shadow:0 -8px 20px rgba(22,48,56,.07)}.mobile-bottom a{display:flex;align-items:center;justify-content:center;min-height:48px;font-size:13px}.mobile-bottom a.is-current{background:var(--cyan);color:var(--deep);font-weight:700}
}
@media (max-width:480px){.bay-menu-grid{grid-template-columns:1fr}.bay-menu{height:58vh}.footer-links{grid-template-columns:1fr 1fr}.home-intro{padding-left:16px}.page-wrap{padding-bottom:52px}}