/* Public entry surfaces (home, zh, makers, groups, agents). Original brand assets stay unchanged.
   No example products: the network is explained with generic sites and placeholders only. */
:root{--ink:#0A1B36;--abyss:#030D1F;--deep:#061A3A;--deep-2:#0A2550;--deep-3:#12357A;--cobalt:#1F4FE0;--spray:#7CC4FF;--foam:#D6EEFF;--sun:#FFB547;--paper:#F6F8FA;--line:#D6E2F2;--muted:#5B6B82;--on-dark:#C9D7EA;--font:"Helvetica Neue",Arial,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif}

*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:32px}
body{margin:0;font:16px/1.6 var(--font);color:var(--ink);background:#fff;-webkit-font-smoothing:antialiased}
h1,h2,h3,p,figure,ol,ul{margin:0}
ol,ul{padding:0;list-style:none}
h1,h2,h3{letter-spacing:-.035em;font-weight:500;line-height:1.12}
html[lang=zh-CN] h1,html[lang=zh-CN] h2,html[lang=zh-CN] h3{letter-spacing:-.01em}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
button{cursor:pointer}
img{max-width:100%}
[hidden]{display:none!important}
:focus-visible{outline:3px solid var(--spray);outline-offset:5px}
main :focus-visible{outline-color:var(--cobalt)}
.opening :focus-visible,.finale :focus-visible{outline-color:var(--spray)}
.shell{width:min(1224px,calc(100% - 112px));margin-inline:auto}
.skip{position:fixed;left:18px;top:-100px;padding:12px 18px;z-index:50;background:#fff;color:var(--ink);border-radius:6px}
.skip:focus{top:10px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}

/* Header */
.site-header{height:99px;position:absolute;top:0;left:50%;transform:translateX(-50%);z-index:5;display:flex;align-items:center;justify-content:space-between;gap:28px;color:#fff;border-bottom:1px solid rgba(255,255,255,.16)}
.brand img{width:158px;height:auto;display:block}
.site-header nav{display:flex;align-items:center;gap:30px;font-size:13px;font-weight:500}
.site-header nav a{display:flex;align-items:center;gap:9px;min-height:44px;text-decoration:underline;text-decoration-color:transparent;text-underline-offset:5px;transition:text-decoration-color .2s}
.site-header nav a:hover{text-decoration-color:#ffffff80}
.site-header .lang-link{color:var(--on-dark);font-size:12px}
.small-arrow{color:var(--spray);font-size:16px}

/* Opening (ocean) */
.opening{padding-top:99px;color:#fff;background:var(--abyss) url('assets/ocean-wave-1774.jpg') center center/cover no-repeat;position:relative;isolation:isolate;overflow:hidden}
.opening:before{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(180deg,rgba(3,13,31,.62) 0,rgba(3,13,31,0) 170px),linear-gradient(90deg,rgba(3,13,31,.86) 0%,rgba(3,13,31,.55) 38%,rgba(3,13,31,.18) 76%)}
.hero{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);align-items:center;gap:56px;min-height:620px;padding:48px 0 88px}
.hero-copy{position:relative;z-index:2}
.eyebrow{font-size:12px;line-height:1.5;letter-spacing:.02em;color:var(--muted);margin-bottom:20px}
.opening .eyebrow{color:var(--on-dark)}
.hero h1{font-size:clamp(46px,4.65vw,68px);line-height:1.07;font-weight:500;letter-spacing:-.045em}
html[lang=zh-CN] .hero h1{letter-spacing:-.02em;line-height:1.16}
.hero h1 span,.bridge h1,.finale h2 span{background:linear-gradient(95deg,#fff 0%,#D6EEFF 40%,#7CC4FF 100%);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{font-size:17px;line-height:1.7;color:var(--on-dark);max-width:30em;margin-top:24px;text-wrap:pretty}
html[lang=zh-CN] .hero-sub{max-width:27em}

/* Buttons and the link form */
.button{display:inline-flex;align-items:center;justify-content:space-between;gap:18px;min-height:52px;padding:8px 8px 8px 24px;border-radius:999px;border:1px solid transparent;font-size:14px;font-weight:600;line-height:1.3;white-space:nowrap;transition:transform .24s,box-shadow .24s,background .24s}
.button>b{font-weight:600}
.button>span{display:grid;place-items:center;flex-shrink:0;width:36px;height:36px;border-radius:50%;font-size:18px;font-weight:400;line-height:1;transition:transform .24s}
.button.primary{background:#fff;color:var(--ink);box-shadow:0 10px 30px rgba(3,13,31,.35)}
.button.primary>span{background:var(--cobalt);color:#fff}
.button:hover{transform:translateY(-2px)}
.button:hover>span{transform:rotate(-35deg)}
.button.primary:hover{box-shadow:0 16px 38px rgba(3,13,31,.42)}
.link-form{max-width:540px;margin-top:32px}
.link-pill{display:flex;align-items:center;gap:4px;min-height:64px;padding:7px;border-radius:999px;background:#fff;box-shadow:0 0 0 1px rgba(214,238,255,.28),0 22px 48px -16px rgba(3,13,31,.8)}
.link-pill:focus-within{outline:3px solid var(--spray);outline-offset:4px}
.link-pill input{flex:1;min-width:0;width:100%;padding:9px 7px 9px 17px;border:0;outline:none;background:transparent;font-size:15px;color:var(--ink)}
.link-pill input::placeholder{color:#5B6B82;opacity:1}
.link-pill .button{min-height:48px;gap:12px;padding:7px 7px 7px 16px;box-shadow:none;border-left:1px solid #E0E8F3;border-radius:0 999px 999px 0}
.link-pill .button:hover{transform:none}
.link-pill .button>span{width:32px;height:32px}
.link-pill:has(input[aria-invalid=true]){box-shadow:0 0 0 2px var(--sun),0 22px 48px -16px rgba(3,13,31,.8)}
.form-error{color:#FFD9A0;font-size:13px;line-height:1.5;margin:10px 18px 0}
.form-error:empty{display:none}
.hero-points{display:flex;flex-wrap:wrap;gap:6px 18px;margin:18px 0 0 18px;font-size:12px;line-height:1.5;color:var(--on-dark)}
.hero-points li{display:flex;align-items:center;gap:7px}
.hero-points li:before{content:"";width:5px;height:5px;border-radius:50%;background:var(--spray)}
.ocean-edge{position:absolute;left:0;right:0;bottom:-1px;display:block;width:100%;height:56px}

/* Hero illustration: your site ⇄ Sidewave ⇄ their sites. Sizes scale with the figure (container units). */
.current{position:relative;width:100%;min-width:0;container-type:inline-size;padding-bottom:40px}
.exchange{--u:1cqw;position:relative;aspect-ratio:600/520;width:100%}
.exchange-links{position:absolute;inset:0;width:100%;height:100%;overflow:visible}
.exchange-links path{fill:none;vector-effect:non-scaling-stroke;stroke-linecap:round}
.exchange-links .route{stroke:rgba(214,238,255,.7);stroke-width:1.5;stroke-dasharray:3 5}
.exchange-links .route-flow{stroke:var(--spray);stroke-width:3;stroke-dasharray:22 200;stroke-dashoffset:22;opacity:0}
.links-tall{display:none}
.site{position:absolute;width:58%;border-radius:calc(var(--u)*2.2);background:#fff;color:var(--ink);box-shadow:0 0 0 1px rgba(214,238,255,.5),0 calc(var(--u)*5) calc(var(--u)*10) calc(var(--u)*-3) rgba(3,13,31,.75);z-index:1}
.site-bar{height:calc(var(--u)*5);display:flex;align-items:center;gap:calc(var(--u)*.8);padding:0 calc(var(--u)*2.2);border-bottom:1px solid #E8EEF6}
.site-bar i{width:calc(var(--u)*.9);height:calc(var(--u)*.9);border-radius:50%;background:#C3D1E4}
.site-bar span{margin-left:calc(var(--u)*1.2);font-size:calc(var(--u)*1.9);line-height:1;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.site-page{height:calc(var(--u)*9.4);display:flex;flex-direction:column;gap:calc(var(--u)*1.2);padding:calc(var(--u)*2.2) calc(var(--u)*2.6) 0}
.site-page b,.site-page span{display:block;border-radius:calc(var(--u)*.4);background:#E6ECF4;height:calc(var(--u)*.8);width:78%}
.site-page b{width:38%;height:calc(var(--u)*1.2);background:#CCD9EA}
.site-page span:last-child{width:56%}
.slot{height:calc(var(--u)*7.4);margin:0 calc(var(--u)*1.8) calc(var(--u)*1.8);padding:0 calc(var(--u)*1.6);display:flex;align-items:center;gap:calc(var(--u)*1.5);border-radius:calc(var(--u)*1.4);background:#EEF4FD;border:1px solid #D6E3F6}
.slot-icon{flex:0 0 calc(var(--u)*4.4);height:calc(var(--u)*4.4);border-radius:50%;display:grid;place-items:center;background:var(--cobalt);color:#fff;font-size:calc(var(--u)*2.3);line-height:1}
.slot-text{min-width:0;display:flex;flex-direction:column;gap:calc(var(--u)*.4)}
.slot-text small{font-size:calc(var(--u)*1.5);line-height:1.1;color:var(--muted)}
.slot-text b{font-size:calc(var(--u)*2.2);line-height:1.15;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.slot-you{background:#FFF6E6;border-color:#FFD58F}
.slot-you .slot-icon{background:var(--sun);color:var(--ink)}
.site-a{left:0;top:7.7%}
.site-b{left:42%;top:57.7%}
.site-b:before,.site-b:after{content:"";position:absolute;inset:0;border-radius:inherit;background:rgba(214,238,255,.16);border:1px solid rgba(214,238,255,.3);z-index:-1;translate:calc(var(--u)*-1.6) calc(var(--u)*-1.6)}
.site-b:after{translate:calc(var(--u)*-3.2) calc(var(--u)*-3.2);opacity:.55}
.exchange-hub{position:absolute;left:67.3%;top:24.4%;z-index:2;display:flex;flex-direction:column;align-items:center;gap:calc(var(--u)*.5);padding:calc(var(--u)*1.7) calc(var(--u)*3);border-radius:999px;background:rgba(6,26,58,.94);border:1px solid rgba(214,238,255,.42);box-shadow:0 0 calc(var(--u)*4) rgba(124,196,255,.18),0 calc(var(--u)*2) calc(var(--u)*5) rgba(3,13,31,.5)}
.exchange-hub img{width:calc(var(--u)*16);height:auto;display:block}
.exchange-hub span{font-size:calc(var(--u)*1.5);line-height:1;color:var(--foam);letter-spacing:.04em}
.exchange-tag{position:absolute;z-index:2;display:inline-flex;align-items:center;gap:calc(var(--u)*1.2);font-size:calc(var(--u)*2.15);line-height:1.2;font-weight:500;color:#fff;white-space:nowrap}
.exchange-tag em{font-style:normal;display:grid;place-items:center;width:calc(var(--u)*3.4);height:calc(var(--u)*3.4);border-radius:50%;font-size:calc(var(--u)*1.7);border:1px solid rgba(214,238,255,.55);color:var(--foam)}
.tag-a{left:0;top:0}
.tag-b{left:42%;top:87.7%}
.tag-b em{background:var(--sun);border-color:var(--sun);color:var(--ink)}
.current-meta{position:absolute;bottom:0;left:0;right:0;display:flex;align-items:center;justify-content:flex-end;gap:10px;min-height:40px;color:var(--on-dark);font-size:11px;line-height:1.5}
.motion-toggle{width:40px;height:40px;flex:0 0 40px;display:grid;place-items:center;border:0;border-radius:50%;color:var(--foam);background:transparent;position:relative}
.motion-toggle:after{content:"";position:absolute;inset:5px;border:1px solid rgba(214,238,255,.32);border-radius:50%;background:rgba(3,13,31,.6);z-index:-1}
.motion-toggle:before{content:"";width:8px;height:10px;border-left:2px solid currentColor;border-right:2px solid currentColor}
.motion-toggle[aria-pressed=true]:before{width:0;height:0;border:0;border-left:7px solid currentColor;border-top:5px solid transparent;border-bottom:5px solid transparent;margin-left:2px}
.current.is-playing .route-flow{animation:route-run 4.8s cubic-bezier(.45,0,.3,1) infinite}
.current.is-playing .route-flow.back{animation-delay:1.1s}
.current.is-playing .slot-you{animation:slot-glow 4.8s ease-in-out infinite;animation-delay:1.1s}
@keyframes route-run{0%{stroke-dashoffset:22;opacity:0}6%{opacity:1}40%{stroke-dashoffset:-100;opacity:1}46%,100%{stroke-dashoffset:-100;opacity:0}}
@keyframes slot-glow{0%,30%,70%,100%{box-shadow:0 0 0 0 rgba(255,181,71,0)}45%{box-shadow:0 0 0 calc(var(--u)*1.2) rgba(255,181,71,.28)}}

/* Sections */
.section-head{margin-bottom:36px}
.section-head .eyebrow{color:var(--cobalt);margin-bottom:12px;font-size:13px}
.section-head h2{font-size:clamp(29px,2.8vw,40px);font-weight:500;line-height:1.2;text-wrap:balance}

.how{padding:88px 0 80px}
.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;counter-reset:step}
.step{position:relative;padding:24px 24px 28px;border:1px solid var(--line);border-radius:14px;background:#fff}
.step-num{position:absolute;top:24px;left:24px;z-index:1;width:26px;height:26px;border-radius:50%;display:grid;place-items:center;background:var(--ink);color:#fff;font-size:12px;font-weight:600}
.step-art{height:120px;margin-bottom:22px;border-radius:10px;background:linear-gradient(145deg,#F6F8FA,#EAF1FB);display:grid;place-items:center;padding:0 16px;overflow:hidden}
.step h3{font-size:21px;line-height:1.25;margin-bottom:10px}
.step p{font-size:15px;line-height:1.7;color:var(--muted)}
.art-url{display:flex;align-items:center;gap:10px;max-width:100%;padding:9px 16px 9px 9px;border-radius:999px;background:#fff;box-shadow:0 0 0 1px #D9E3F1,0 10px 22px -12px rgba(10,27,54,.3);font-size:13px;color:var(--ink);white-space:nowrap;overflow:hidden}
.art-url i,.art-slot i{font-style:normal;width:26px;height:26px;flex:0 0 26px;border-radius:50%;display:grid;place-items:center;background:var(--cobalt);color:#fff;font-size:13px}
.art-code{max-width:100%;padding:10px 14px;border-radius:8px;background:var(--deep);color:var(--foam);font:12px/1.4 ui-monospace,SFMono-Regular,Menlo,monospace;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;box-shadow:0 10px 22px -12px rgba(3,13,31,.6)}
.art-slot{display:grid;grid-template-columns:26px auto;column-gap:10px;align-items:center;padding:10px 18px 10px 10px;border-radius:10px;background:#FFF6E6;border:1px solid #FFD58F;font-size:13px;font-weight:600;color:var(--ink);box-shadow:0 10px 22px -12px rgba(10,27,54,.25)}
.art-slot i{grid-row:span 2;background:var(--sun);color:var(--ink)}
.art-slot small{font-weight:400;font-size:11px;color:var(--muted)}

.ways{background:var(--paper);padding:80px 0 88px}
.mode-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.mode{background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px 20px 28px}
.mode-label{font-size:13px;line-height:1.5;color:var(--cobalt);margin:4px 8px 8px}
.mode h3{font-size:26px;line-height:1.2;margin:0 8px 12px}
.mode>p:not(.mode-label){font-size:15px;line-height:1.75;color:var(--muted);max-width:500px;margin:0 8px}
.mode small{display:block;font-size:12px;line-height:1.7;color:var(--muted);max-width:460px;margin:18px 8px 0;padding-left:12px;border-left:2px solid var(--spray)}
.mechanism-visual{height:224px;border:1px solid var(--line);border-radius:10px;overflow:hidden;margin:0 0 22px;background:var(--paper);display:flex;flex-direction:column;justify-content:space-between}
.daily-visual{padding:22px 24px 0;background:linear-gradient(145deg,#f6f8fa,#edf3fc)}
.mini-site{background:#fff;border:1px solid #d5dfed;border-radius:7px;width:100%;max-width:330px;margin:0 auto;box-shadow:0 10px 20px #0a1b3606;overflow:hidden}
.mini-site-top{display:flex;gap:4px;padding:9px 12px;border-bottom:1px solid #edf0f6}
.mini-site-top i{width:4px;height:4px;background:#bdcce0;border-radius:50%}
.mini-page{padding:13px 15px 11px;display:grid;gap:5px}
.mini-page b,.mini-page>span{display:block;border-radius:2px;height:4px;background:#e8edf4;width:80%}
.mini-page b{width:35%;height:6px;background:#cfdbeb;margin-bottom:3px}
.mini-page>span:last-child{width:59%}
.mini-placement{margin:0 10px 10px;padding:10px;display:flex;align-items:center;gap:10px;border-radius:5px;background:#f2f6fc;border:1px solid #dce6f4}
.mini-symbol{width:25px;height:25px;flex:0 0 25px;border-radius:50%;background:var(--cobalt);color:#fff;display:grid;place-items:center;font-size:14px}
.mini-placement b{display:block;font-weight:500;font-size:12px;line-height:1.4}
.mini-placement small{display:block;border:0;padding:0;margin:3px 0 0;font-size:10px;color:var(--muted);line-height:1.2}
.mechanism-route{display:flex;align-items:center;justify-content:center;gap:13px;min-height:43px;font-size:11px;color:var(--muted);white-space:nowrap}
.mechanism-route img{width:80px;height:auto}
.mechanism-route>span[aria-hidden]{color:#7c9ac6;font-size:15px}
.burst-visual{padding:22px 24px 0;background:var(--deep) url('assets/ocean-wave-960.jpg') center 48%/cover;position:relative;isolation:isolate;border-color:var(--deep)}
.burst-visual:before{content:"";position:absolute;inset:0;background:#030d1f66;z-index:-1}
.launch-ticket{display:flex;align-items:center;justify-content:space-between;gap:15px;border:1px solid #d6eeff50;background:#061a3ac9;border-radius:7px;padding:21px 23px;min-height:148px;color:white;max-width:360px;width:100%;margin:0 auto}
.ticket-kicker{display:block;font-size:11px;letter-spacing:.02em;color:var(--spray)}
.launch-ticket strong{display:block;font-size:29px;line-height:1.2;font-weight:500;letter-spacing:-1px;margin:8px 0 7px}
.ticket-note{font-size:11px;color:var(--on-dark);line-height:1.5;display:block}
.ticket-spark{border-radius:50%;border:1px solid #7cc4ff70;width:39px;height:39px;display:grid;place-items:center;flex:0 0 39px;font-size:23px;color:var(--spray)}
.burst-visual .mechanism-route{color:var(--foam)}

.community-section{padding:72px 0 64px}
.section-head.row{display:flex;justify-content:space-between;gap:24px;align-items:flex-end}
.text-link{color:var(--cobalt);font-size:13px;font-weight:500;display:inline-flex;align-items:center;gap:8px;white-space:nowrap}
.public-projects{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.public-projects:empty{display:none}
.public-project{min-width:0;display:flex;align-items:center;gap:14px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:22px 19px;transition:border-color .2s,transform .2s}
.public-project:hover{border-color:var(--cobalt);transform:translateY(-2px)}
.project-initial{width:36px;height:36px;flex:0 0 36px;background:#EFF4FC;border-radius:10px;display:grid;place-items:center;font-size:17px;color:var(--cobalt)}
.public-project>div{min-width:0;flex:1}
.public-project strong{display:block;font-size:14px;font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.public-project p{overflow-wrap:anywhere;font-size:12px;line-height:1.6;color:var(--muted);margin-top:4px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.project-arrow{flex:0 0 auto;font-size:17px;color:var(--cobalt);margin-left:auto}
.public-launches{margin-top:24px;border-top:1px solid var(--line)}
.public-launch{display:flex;align-items:center;gap:20px;padding:18px 0;border-bottom:1px solid var(--line);font-size:12px}
.public-launch>span:first-child{color:var(--cobalt);font-size:11px}
.public-launch strong{font-weight:500;font-size:14px}
.public-launch>span:last-child{margin-left:auto;color:var(--muted);white-space:nowrap}

.faq{padding:80px 0 88px;display:grid;grid-template-columns:1fr 1.45fr;gap:72px}
.community-section:not([hidden])+.faq{border-top:1px solid var(--line)}
.faq h2{font-size:clamp(29px,2.8vw,40px);font-weight:500;line-height:1.2}
.faq details{border-bottom:1px solid var(--line);padding:18px 0}
.faq details:first-child{border-top:1px solid var(--line)}
.faq summary{display:flex;justify-content:space-between;gap:20px;cursor:pointer;list-style:none;font-size:16px;font-weight:500}
.faq summary::-webkit-details-marker{display:none}
.faq summary:after{content:"+";font-size:21px;line-height:1;color:var(--cobalt);font-weight:400}
.faq details[open] summary:after{content:"−"}
.faq details p{font-size:15px;line-height:1.8;color:var(--muted);margin:12px 28px 2px 0}

.finale{position:relative;isolation:isolate;overflow:hidden;color:#fff;background:var(--abyss) url('assets/ocean-wave-1774.jpg') center 40%/cover no-repeat;padding:132px 0 112px;text-align:center}
.finale:before{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(180deg,rgba(3,13,31,.5),rgba(3,13,31,.78))}
.finale-edge{position:absolute;top:-1px;left:0;width:100%;height:56px;display:block}
.finale h2{font-size:clamp(40px,4.6vw,64px);line-height:1.08;letter-spacing:-.045em}
html[lang=zh-CN] .finale h2{letter-spacing:-.02em;line-height:1.18}
.finale .link-form{margin:40px auto 0;text-align:left}

/* Footer */
.footer{display:flex;align-items:center;justify-content:space-between;gap:30px;padding:30px 0 36px}
.opening+.footer,main+.footer{border-top:1px solid var(--line)}
body[data-page=home] .footer{border-top:0}
.footer-brand{display:flex;align-items:center;gap:22px}
.footer img{display:block;width:125px;height:auto}
.footer-brand>span{font-size:12px;color:var(--muted)}
.footer nav{display:flex;gap:8px 22px;flex-wrap:wrap;font-size:13px;color:var(--muted)}
.footer a:hover{color:var(--cobalt)}
.footer .footer-quiet{font-size:12px}

/* Bridge pages (makers, groups, agents) */
.bridge{padding:85px 0 105px}
.bridge h1{font-size:clamp(42px,4.7vw,68px);font-weight:500;line-height:1.1;max-width:1000px}
html[lang=zh-CN] .bridge h1{letter-spacing:-.02em;line-height:1.18}
.bridge-description{max-width:600px;font-size:17px;line-height:1.8;color:var(--on-dark);margin-top:24px}
.bridge-actions{margin-top:32px;display:flex;gap:20px;align-items:center;flex-wrap:wrap}
.bridge-note{display:flex;gap:16px;align-items:center;flex-wrap:wrap;color:var(--on-dark);font-size:12px;margin-top:40px}
.bridge-note a{color:var(--foam);text-decoration:underline;text-underline-offset:4px}
.bridge-points{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;padding:64px 0 72px}
.bridge-points li{border-top:2px solid var(--ink);padding-top:18px}
.bridge-points h2{font-size:20px;line-height:1.3;margin-bottom:8px}
.bridge-points p{font-size:15px;line-height:1.7;color:var(--muted)}
.directory{padding:56px 0 72px}
.directory-state{font-size:15px;color:var(--muted)}
.directory-empty{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:24px;padding:28px;border:1px dashed #B9CBE3;border-radius:14px;background:var(--paper)}
.directory-empty .slot-demo{width:52px;height:52px;border-radius:14px;display:grid;place-items:center;background:#FFF6E6;border:1px solid #FFD58F;font-size:20px}
.directory-empty h2{font-size:21px;line-height:1.3;margin-bottom:4px}
.directory-empty p{font-size:15px;line-height:1.6;color:var(--muted)}
.button.ink{background:var(--ink);color:#fff}
.button.ink>span{background:#fff;color:var(--ink)}
body[data-page=bridge] main{min-height:calc(100vh - 94px)}

@media(min-width:1450px){.hero{gap:72px}.hero h1{font-size:66px}}

@media(max-width:1100px){
.shell{width:calc(100% - 72px)}
.hero{gap:32px;min-height:560px;padding:44px 0 80px}
.hero h1{font-size:clamp(34px,4.65vw,53px)}
.hero-sub{font-size:15px}
.link-pill{min-height:58px;padding:6px}
.link-pill input{font-size:14px;padding-left:13px}
.link-pill .button{font-size:13px;gap:9px;padding-left:12px;min-height:44px}
.link-pill .button>span{width:30px;height:30px}
.footer-brand>span{display:none}
.faq{gap:45px}
.step{padding:20px 20px 24px}
.step-num{top:20px;left:20px}
.step h3{font-size:19px}
.mode h3{font-size:23px}
.public-projects{grid-template-columns:repeat(2,minmax(0,1fr))}
.bridge-points{gap:16px}
}

@media(max-width:900px){
.hero{grid-template-columns:1fr;gap:28px;min-height:0}
.hero-copy{max-width:600px}
.current{max-width:540px;width:100%;margin:8px auto 0;padding-bottom:36px}
.steps{grid-template-columns:1fr;gap:14px}
.step{display:grid;grid-template-columns:200px minmax(0,1fr);column-gap:24px;align-items:center}
.step-art{grid-row:span 2;height:112px;margin:0}
.step h3{align-self:end}
.step p{align-self:start}
.mode-grid{grid-template-columns:minmax(0,1fr)}
.bridge-points{grid-template-columns:1fr;gap:24px;padding:48px 0 56px}
}

@media(max-width:760px){
.shell{width:calc(100% - 44px)}
.site-header{height:81px;gap:20px}
.brand img{width:137px}
.site-header nav{gap:22px;font-size:12px}
.site-header .how-link{display:none}
.opening{padding-top:81px;background-position:62% center;background-image:url('assets/ocean-wave-960.jpg')}
.opening:before{background:linear-gradient(180deg,rgba(3,13,31,.66),rgba(3,13,31,.3) 70%),linear-gradient(90deg,rgba(3,13,31,.55),rgba(3,13,31,.15))}
.hero{padding:40px 0 64px}
.hero-copy{max-width:560px}
.eyebrow{font-size:11px;margin-bottom:18px}
.hero h1{font-size:clamp(40px,6.9vw,53px);letter-spacing:-.042em}
.hero-sub{font-size:16px;line-height:1.7;max-width:32em;margin-top:20px}
.link-form{margin-top:26px}
.link-pill{min-height:60px;padding:6px}
.link-pill input{font-size:15px;padding-left:14px}
.link-pill .button{min-height:46px;font-size:13px;gap:10px;padding-left:14px}
.link-pill .button>span{width:32px;height:32px}
.hero-points{margin:16px 0 0 16px;font-size:12px}
.ocean-edge{height:36px}
.how{padding:56px 0 52px}
.section-head{margin-bottom:28px}
.section-head h2{font-size:30px;line-height:1.25;max-width:560px}
.step{grid-template-columns:1fr;padding:18px 18px 22px}
.step-num{top:18px;left:18px}
.step-art{grid-row:auto;height:100px;margin-bottom:18px}
.ways{padding:56px 0 60px}
.mode{padding:14px 14px 24px}
.mode h3{font-size:24px;margin:0 6px 10px}
.mode-label,.mode>p:not(.mode-label),.mode small{margin-left:6px;margin-right:6px}
.mechanism-visual{padding-left:16px;padding-right:16px}
.community-section{padding:48px 0}
.section-head.row{display:block}
.section-head.row .text-link{margin-top:15px}
.public-projects{grid-template-columns:minmax(0,1fr);gap:12px}
.public-project{padding:19px}
.faq{padding:52px 0 60px;grid-template-columns:1fr;gap:18px}
.faq h2{font-size:30px}
.faq summary{font-size:15px}
.faq details p{font-size:14px;margin-right:0}
.finale{padding:96px 0 72px}
.finale-edge{height:36px}
.finale h2{font-size:clamp(36px,9vw,50px)}
.footer{flex-direction:column;align-items:flex-start;gap:20px;padding:28px 0 34px}
.footer-brand>span{display:inline;font-size:11px}
.footer nav{gap:10px 20px}
.bridge{padding:55px 0 82px}
.bridge h1{font-size:clamp(36px,7vw,50px)}
.bridge-description{font-size:16px;line-height:1.8;margin-top:22px}
.bridge-actions{margin-top:28px}
.bridge-note{font-size:12px;gap:8px;margin-top:31px}
.directory{padding:40px 0 52px}
.directory-empty{grid-template-columns:1fr;gap:16px;padding:22px}
.public-launch{gap:12px}
.public-launch strong{font-size:13px}
.public-launch>span{font-size:11px!important}
body[data-page=bridge] main{min-height:calc(100vh - 135px)}
}

@media(max-width:560px){
.exchange{--u:1.55cqw;aspect-ratio:600/660}
.links-wide{display:none}
.links-tall{display:block}
.site{width:76%}
.site-a{left:0;top:7.27%}
.site-b{left:24%;top:57.3%}
.exchange-hub{left:50%;top:44.8%;translate:-50% 0;flex-direction:row;gap:calc(var(--u)*1.4);padding:calc(var(--u)*1.6) calc(var(--u)*2.6)}
.exchange-hub img{width:calc(var(--u)*13)}
.tag-b{left:24%;top:92.7%}
}

@media(max-width:480px){
.hero h1{font-size:clamp(34px,9.6vw,43px)}
html[lang=zh-CN] .hero h1{font-size:clamp(36px,11vw,46px)}
.hero-sub{font-size:15px}
.link-pill .button{padding-left:12px}
.section-head h2{font-size:27px}
.footer-brand>span{font-size:11px}
.bridge h1{font-size:37px}
}

@media(max-width:360px){
.shell{width:calc(100% - 32px)}
.brand img{width:122px}
.site-header nav{gap:16px}
.hero{padding-top:32px}
.link-pill input{font-size:14px;padding-left:10px}
.link-pill .button{font-size:12px;gap:7px;padding-left:10px}
.link-pill .button>span{width:28px;height:28px}
.hero h1{font-size:32px}
html[lang=zh-CN] .hero h1{font-size:36px}
.section-head h2{font-size:25px}
.footer-brand>span{display:none}
.bridge h1{font-size:33px}
.mechanism-visual{padding-left:12px;padding-right:12px}
.mechanism-route{gap:7px;font-size:10px}
.mechanism-route img{width:68px}
.launch-ticket{padding:20px 16px}
}

@media(prefers-reduced-motion:reduce){
html{scroll-behavior:auto}
*,*:before,*:after{animation:none!important;transition:none!important}
.motion-toggle{display:none!important}
}
.point-link{margin-top:12px}

/* Two independent ways to take part; Launch Day keeps the original ocean identity. */
.join-paths{display:flex;align-items:center;flex-wrap:wrap;gap:12px;margin-top:30px}
.join-paths .button{font-size:13px;padding-left:19px;gap:13px}
.button.outline{color:#fff;border-color:#b6d7fa65;background:#061a3a70}
.button.outline>span{background:#cce9ff17;color:var(--spray)}
.join-note{font-size:12px;line-height:1.7;color:var(--on-dark);margin-top:17px}
.mode{display:flex;flex-direction:column;min-width:0}
.mode-actions{display:flex;align-items:center;flex-wrap:wrap;gap:16px;margin:24px 8px 0;padding-top:4px}
.mode-actions .button{min-height:46px;font-size:13px;padding-left:18px}
.mode-actions .button>span{width:30px;height:30px}
.mode-actions .text-link{white-space:normal}
.mode>small+.mode-actions{margin-top:auto;padding-top:24px}
.art-choice{display:flex;align-items:center;justify-content:center;gap:9px;font-size:12px;flex-wrap:wrap;color:var(--ink);padding:12px}
.art-choice i{font-style:normal;color:var(--cobalt);font-size:22px}
.launch-hero{padding:70px 0 108px;display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr);gap:70px;align-items:center}
.launch-hero h1{font-size:clamp(55px,6vw,82px);line-height:1.06}
.launch-hero h1>span{display:block;font-size:clamp(28px,3vw,40px);line-height:1.3;margin-top:17px;background:linear-gradient(95deg,#fff,#7cc4ff);color:transparent;background-clip:text;-webkit-background-clip:text}
.launch-anchor{font-size:13px;color:var(--foam);padding:12px 8px;text-decoration:underline;text-underline-offset:5px;text-decoration-color:#d6eeff60}
.launch-moment{padding:30px 32px 25px;border:1px solid #d6eeff40;border-radius:14px;background:linear-gradient(155deg,#061a3ac9,#061a3a20);box-shadow:0 22px 55px #030d1f30;max-width:360px;justify-self:end;width:100%;transform:rotate(3deg)}
.moment-overline{font-size:11px;letter-spacing:.08em;color:var(--on-dark)}
.launch-moment>strong{font-size:clamp(52px,6vw,78px);font-weight:500;letter-spacing:-.06em;line-height:.96;display:block;margin:34px 0}
.launch-moment em{font-style:normal;color:var(--spray)}
.moment-lines{display:flex;flex-wrap:wrap;gap:9px 13px;border-top:1px solid #d6eeff40;padding-top:20px;font-size:11px;color:var(--on-dark)}
.launch-program{padding:80px 0}
.program-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:38px}
.program-icon{width:44px;height:44px;border:1px solid var(--line);border-radius:50%;display:grid;place-items:center;color:var(--cobalt);font-size:23px;margin-bottom:21px}
.program-grid h3{font-size:22px;line-height:1.3;margin-bottom:12px}
.program-grid p,.process-list p{font-size:15px;line-height:1.75;color:var(--muted)}
.section-note{font-size:12px;line-height:1.8;color:var(--muted);border-top:1px solid var(--line);padding-top:22px;margin-top:34px}
.launch-process{background:var(--paper);padding:70px 0 76px}
.process-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:32px}
.process-list>li{border-top:1px solid #c4d4e9;padding-top:20px}
.process-list>li>span{display:block;color:var(--cobalt);font-size:12px;margin-bottom:22px}
.process-list h3{font-size:22px;margin-bottom:12px;line-height:1.3}
.launch-editions{padding:75px 0 86px;scroll-margin-top:20px}
.edition-state{padding:32px;background:var(--paper);border:1px solid var(--line);border-radius:12px}
.edition-state h3{font-size:23px;line-height:1.3;margin-bottom:10px}
.edition-state p{font-size:14px;color:var(--muted);line-height:1.8;max-width:660px;margin-bottom:20px}
.edition-state .button{border:0;margin-right:20px;font-size:13px;min-height:42px;padding:10px 20px}
.edition-list{display:grid;gap:20px}
.edition-card{border:1px solid var(--line);border-radius:12px;padding:27px 30px;min-width:0;overflow-wrap:anywhere}
.edition-card h3{font-size:26px;line-height:1.3;margin:15px 0 7px}
.edition-meta{display:flex;flex-wrap:wrap;gap:14px;align-items:center;font-size:12px;color:var(--muted)}
.edition-status{border-radius:999px;background:#eaf1ff;color:#1846b8;padding:4px 11px}
.edition-when{font-size:13px;line-height:1.8;color:var(--muted);margin-bottom:12px}
.edition-description{font-size:15px;color:var(--muted);line-height:1.7;max-width:760px}
.edition-details{border-top:1px solid var(--line);margin-top:20px;padding-top:16px;font-size:14px}
.edition-details summary{cursor:pointer;color:var(--cobalt)}
.edition-details h4{font-size:13px;margin:20px 0 8px;font-weight:500}
.edition-details p{white-space:pre-wrap;color:var(--muted);line-height:1.8}
.edition-actions{display:flex;gap:24px;flex-wrap:wrap;margin-top:23px}
@media(max-width:1100px){.launch-hero{gap:36px}.launch-moment{padding:25px}.program-grid{gap:26px}}
@media(max-width:760px){.join-paths{gap:10px}.join-paths .button{padding-left:17px;gap:12px}.launch-hero{grid-template-columns:minmax(0,1fr);padding:50px 0 74px;gap:40px}.launch-hero h1{font-size:53px}.launch-hero h1>span{font-size:29px}.launch-moment{display:none}.launch-program{padding:50px 0}.program-grid,.process-list{grid-template-columns:minmax(0,1fr);gap:28px}.program-grid article{display:grid;grid-template-columns:44px minmax(0,1fr);gap:0 20px}.program-icon{grid-row:span 2;margin:0}.program-grid h3{font-size:21px}.program-grid p{font-size:14px}.launch-process{padding:48px 0}.process-list>li{display:flex;gap:20px}.process-list>li>span{margin-top:5px}.process-list h3{font-size:20px}.process-list p{font-size:14px}.launch-editions{padding:50px 0 60px}.edition-state{padding:24px}.edition-card{padding:22px}.edition-card h3{font-size:23px}.section-note{margin-top:25px}}
@media(max-width:400px){.join-paths .button{font-size:12px;padding-left:15px;gap:10px;min-height:46px}.join-paths .button>span{width:30px;height:30px}.hero .join-paths{align-items:stretch}.hero .join-paths .button{width:100%;max-width:290px}.launch-hero h1{font-size:47px}.launch-hero h1>span{font-size:25px}.edition-state h3{font-size:21px}}