@font-face{font-family:'Nsans';font-style:normal;font-weight:400;font-display:swap;src:url(../fonts/ns-400-vi.woff2) format('woff2');unicode-range:U+0102-0103, U+0110-0111, U+0128-0129, U+0168-0169, U+01A0-01A1, U+01AF-01B0, U+0300-0301, U+0303-0304, U+0308-0309, U+0323, U+0329, U+1EA0-1EF9, U+20AB}@font-face{font-family:'Nsans';font-style:normal;font-weight:400;font-display:swap;src:url(../fonts/ns-400-la.woff2) format('woff2');unicode-range:U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD}@font-face{font-family:'Nsans';font-style:normal;font-weight:700;font-display:swap;src:url(../fonts/ns-700-vi.woff2) format('woff2');unicode-range:U+0102-0103, U+0110-0111, U+0128-0129, U+0168-0169, U+01A0-01A1, U+01AF-01B0, U+0300-0301, U+0303-0304, U+0308-0309, U+0323, U+0329, U+1EA0-1EF9, U+20AB}@font-face{font-family:'Nsans';font-style:normal;font-weight:700;font-display:swap;src:url(../fonts/ns-700-la.woff2) format('woff2');unicode-range:U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD}@font-face{font-family:'Nsans';font-style:normal;font-weight:800;font-display:swap;src:url(../fonts/ns-800-vi.woff2) format('woff2');unicode-range:U+0102-0103, U+0110-0111, U+0128-0129, U+0168-0169, U+01A0-01A1, U+01AF-01B0, U+0300-0301, U+0303-0304, U+0308-0309, U+0323, U+0329, U+1EA0-1EF9, U+20AB}@font-face{font-family:'Nsans';font-style:normal;font-weight:800;font-display:swap;src:url(../fonts/ns-800-la.woff2) format('woff2');unicode-range:U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD}
:root{--bg:#f2f9fb;--deep:#0b3b5c;--deep2:#082c45;--aqua:#0ea5b7;--aqua-t:#0b7f8e;--coral:#fb7185;--coral-t:#e11d48;--leaf:#16a34a;--ink:#0f2a3a;--mute:#4b6474;--line:#dbeaf0;--card:#fff;--r:22px;--g:20px;--max:1200px;--ff:'Nsans',system-ui,-apple-system,'Segoe UI',Roboto,Arial,sans-serif;--sh:0 1px 2px rgba(11,59,92,.06),0 14px 34px -18px rgba(11,59,92,.35)}
*,*::before,*::after{box-sizing:border-box}
[hidden]{display:none!important}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:84px}
body{margin:0;background:var(--bg);color:var(--ink);font:400 16px/1.6 var(--ff);overflow-x:hidden}
img,svg,video,iframe{max-width:100%;height:auto}
a{color:var(--aqua-t);text-underline-offset:3px}
a:hover{color:var(--deep)}
:focus-visible{outline:3px solid var(--coral);outline-offset:2px;border-radius:8px}
button,input,textarea,select{font:inherit;color:inherit}
button{cursor:pointer}
h1,h2,h3{font-weight:800;line-height:1.18;margin:0 0 .5em;letter-spacing:-.015em;color:var(--deep)}
.sr{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:-999px;top:8px;z-index:99;background:#fff;padding:8px 14px;border-radius:10px}.skip:focus{left:8px}
.wrap{width:100%;max-width:var(--max);margin:0 auto;padding:0 var(--g)}
.ic{flex:none}
.pill-btn{display:inline-flex;align-items:center;gap:8px;border:0;border-radius:999px;background:var(--deep);color:#fff;padding:12px 22px;font-weight:700;text-decoration:none;font-size:15px}
.pill-btn:hover{background:var(--aqua-t);color:#fff}
/* header */
.hd{position:sticky;top:0;z-index:50;background:rgba(242,249,251,.85);backdrop-filter:saturate(1.6) blur(12px);border-bottom:1px solid var(--line)}
.hd__in{display:flex;align-items:center;gap:20px;min-height:68px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--deep)}
.logo__n{font-weight:800;font-size:19px;letter-spacing:-.02em}
.hd__nav{margin-left:auto}
.menu{display:flex;gap:4px;list-style:none;margin:0;padding:0}
.menu a{display:block;padding:9px 14px;border-radius:999px;text-decoration:none;color:var(--ink);font-weight:700;font-size:15px}
.menu a:hover,.menu .current-menu-item a{background:#dff3f6;color:var(--deep)}
.hd__cta{display:inline-flex;align-items:center;gap:8px;background:var(--coral-t);color:#fff;text-decoration:none;font-weight:800;border-radius:999px;padding:10px 18px;font-size:15px}
.hd__cta:hover{color:#fff;background:#be123c}
/* hero */
.sea{position:relative;overflow:hidden;background:linear-gradient(170deg,#0b3b5c 0%,#0e5f7a 55%,#12899b 100%);color:#e6f6fa;padding-top:56px}
.sea__wave{display:block;width:100%;height:60px;color:var(--bg);margin-top:30px}
.sea__bubbles i{position:absolute;bottom:-40px;width:14px;height:14px;border-radius:50%;border:2px solid rgba(255,255,255,.35);animation:rise 9s linear infinite}
.sea__bubbles i:nth-child(1){left:8%;animation-delay:0s}.sea__bubbles i:nth-child(2){left:22%;width:9px;height:9px;animation-delay:2s}.sea__bubbles i:nth-child(3){left:48%;width:18px;height:18px;animation-delay:4s}.sea__bubbles i:nth-child(4){left:63%;animation-delay:1s}.sea__bubbles i:nth-child(5){left:90%;width:10px;height:10px;animation-delay:5s}
@keyframes rise{to{transform:translateY(-640px);opacity:0}}
.sea__grid{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
.sea__kick{display:inline-flex;align-items:center;gap:8px;margin:0 0 16px;font-weight:700;font-size:14px;color:#a7f3d0;background:rgba(255,255,255,.08);padding:6px 14px;border-radius:999px}
.sea__h{font-size:clamp(34px,4.8vw,58px);color:#fff;line-height:1.08;letter-spacing:-.03em}
.sea__h span{background:linear-gradient(90deg,#67e8f9,#fda4af);-webkit-background-clip:text;background-clip:text;color:transparent}
.sea__p{font-size:18px;color:#cdebf2;max-width:540px;margin:0 0 22px}
.sea__chips{display:flex;flex-wrap:wrap;gap:10px}
.sea__chips a{display:inline-flex;align-items:center;gap:8px;padding:10px 16px;border-radius:999px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);color:#fff;text-decoration:none;font-weight:700;font-size:15px}
.sea__chips a:hover{background:rgba(255,255,255,.2);color:#fff}
.tank{background:rgba(255,255,255,.96);color:var(--ink);border-radius:28px;padding:22px;box-shadow:0 30px 60px -30px rgba(0,0,0,.5)}
.tank__head{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px}
.tank__head b{display:flex;align-items:center;gap:8px;font-size:18px;color:var(--deep)}
.tank__head span{font-size:13px;color:var(--mute);font-weight:700}
.tank__dims{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.tank__dims label,.tank__opts label{display:flex;flex-direction:column;gap:5px;font-size:13px;font-weight:700;color:var(--mute)}
.tank input,.tank select{width:100%;border:2px solid var(--line);border-radius:14px;padding:10px 12px;font-size:18px;font-weight:800;color:var(--deep);background:#f8fcfd}
.tank select{font-size:15px;font-weight:700;padding:11px 10px}
.tank input:focus,.tank select:focus{outline:0;border-color:var(--aqua)}
.tank__opts{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:10px}
.tank__viz{margin:16px 0 12px;display:flex;justify-content:center}
.tank__glass{position:relative;width:100%;max-width:300px;height:96px;border:3px solid #9cc7d3;border-top-width:0;border-radius:0 0 12px 12px;overflow:hidden;background:#f3fbfd}
.tank__water{position:absolute;left:0;right:0;bottom:0;background:linear-gradient(180deg,#67e8f9,#0ea5b7);transition:height .3s;opacity:.85}
.tank__sand{position:absolute;left:0;right:0;bottom:0;background:repeating-linear-gradient(90deg,#e7c999 0 6px,#d9b77f 6px 10px);transition:height .3s}
.tank__out{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:0}
.tank__out div{background:#eef8fa;border-radius:14px;padding:10px 12px}
.tank__out dt{font-size:12px;font-weight:700;color:var(--mute)}
.tank__out dd{margin:2px 0 0;font-size:19px;font-weight:800;color:var(--deep);line-height:1.2}
.tank__note{font-size:13px;color:var(--mute);margin:10px 0 0}
/* blocks */
.blk{padding-top:52px}
.blk__head{display:flex;gap:14px;align-items:flex-start;margin-bottom:22px}
.blk__head h2{font-size:clamp(25px,3vw,36px);margin:0 0 4px}
.blk__head p{margin:0;color:var(--mute);font-size:17px}
.blk__ic{display:grid;place-items:center;width:52px;height:52px;border-radius:16px;background:linear-gradient(135deg,#0ea5b7,#0b3b5c);color:#fff;flex:none}
.blk__ic--b{background:linear-gradient(135deg,#fb7185,#f59e0b)}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.step{background:var(--card);border-radius:var(--r);padding:22px;box-shadow:var(--sh);position:relative;overflow:hidden}
.step::after{content:"";position:absolute;right:-30px;bottom:-30px;width:110px;height:110px;border-radius:50%;background:radial-gradient(circle,#dff3f6,transparent 70%)}
.step__n{display:grid;place-items:center;width:38px;height:38px;border-radius:50%;background:var(--deep);color:#fff;font-weight:800;margin-bottom:12px}
.step h3{font-size:19px}
.step p{margin:0;color:var(--mute);font-size:16px;position:relative;z-index:1}
.twin{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.twin .prose{background:var(--card);border-radius:var(--r);box-shadow:var(--sh);padding:26px}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{background:var(--card);border-radius:var(--r);overflow:hidden;box-shadow:var(--sh);display:flex;flex-direction:column;transition:transform .2s}
.card:hover{transform:translateY(-3px)}
.card__pic{display:block;aspect-ratio:3/2;background:linear-gradient(135deg,#dff3f6,#fde4e8);overflow:hidden;text-decoration:none}
.card__pic img{width:100%;height:100%;object-fit:cover}
.card__ph{display:grid;place-items:center;height:100%;color:var(--aqua-t)}
.card__in{padding:16px 18px 20px}
.card__t{font-size:18px;margin:0 0 8px}.card__t a{color:var(--deep);text-decoration:none}.card__t a:hover{color:var(--aqua-t)}
.chip{display:inline-block;font-size:12px;font-weight:800;color:var(--aqua-t);background:#dff3f6;border-radius:999px;padding:3px 10px;text-decoration:none;margin-bottom:8px}
.when{margin:0;color:var(--mute);font-size:14px}
.qa{display:grid;gap:10px;max-width:900px}
.qa details{background:var(--card);border-radius:18px;box-shadow:var(--sh);padding:0 20px}
.qa summary{list-style:none;display:flex;justify-content:space-between;align-items:center;gap:14px;padding:17px 0;font-weight:800;font-size:17px;cursor:pointer;color:var(--deep)}
.qa summary::-webkit-details-marker{display:none}
.qa summary .ic{transition:transform .2s;color:var(--aqua-t)}.qa details[open] summary .ic{transform:rotate(180deg)}
.qa p{margin:0 0 18px;color:var(--mute);font-size:17px}
/* pages */
.head{padding-top:30px;padding-bottom:20px}
.head__t{font-size:clamp(28px,3.8vw,44px)}
.head__d{color:var(--mute);font-size:17px}
.route ol{display:flex;flex-wrap:wrap;gap:6px;list-style:none;margin:0 0 12px;padding:0;font-size:14px;color:var(--mute)}
.route li+li::before{content:"›";margin-right:6px}
.route a{color:var(--mute);text-decoration:none}
.route span{display:inline-block;max-width:50ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;vertical-align:bottom}
.split{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:30px;align-items:start;padding-bottom:20px}
.split:not(:has(.side)){grid-template-columns:minmax(0,840px)}
.split__main{min-width:0}
.narrow{max-width:880px}
.paper{background:var(--card);border-radius:26px;box-shadow:var(--sh);padding:36px}
.paper__cover{margin:-36px -36px 26px;border-radius:26px 26px 0 0;overflow:hidden}.paper__cover img{display:block;width:100%}
.side{display:grid;gap:16px;align-content:start}
.shelf{background:var(--card);border-radius:18px;box-shadow:var(--sh);padding:18px}
.shelf__t{font-size:17px}
.shelf ul{list-style:none;margin:0;padding:0}.shelf li{padding:7px 0;border-bottom:1px solid var(--line);font-size:15px}
.tagset{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}.tagset a{background:#dff3f6;border-radius:999px;padding:4px 12px;font-size:14px;text-decoration:none}
.void{background:var(--card);border-radius:var(--r);box-shadow:var(--sh);padding:40px;text-align:center;color:var(--mute)}
.void .ic{color:var(--aqua)}
.pager{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin:30px 0 0}
.pager .page-numbers,.pager a,.pager>span{display:inline-grid;place-items:center;min-width:44px;height:44px;padding:0 12px;border-radius:14px;background:#fff;box-shadow:var(--sh);text-decoration:none;font-weight:800;color:var(--deep)}
.pager .current{background:var(--deep);color:#fff}
/* prose */
.prose{font-size:17px;line-height:1.75;overflow-wrap:break-word}
.prose>*:first-child{margin-top:0}
.prose p{font-size:17px;margin:0 0 1.15em}
.prose h2{font-size:28px;margin:1.5em 0 .5em}.prose h3{font-size:21px;margin:1.3em 0 .45em}.prose h4{font-size:18px}
.prose ul,.prose ol{padding-left:1.3em;margin:0 0 1.2em}.prose li{margin:.35em 0}.prose li::marker{color:var(--aqua)}
.prose img{display:block;margin:0 auto;border-radius:16px}.prose figure{margin:1.6em 0}
.prose figcaption,.wp-element-caption{font-size:14px;color:var(--mute);text-align:center;margin-top:8px}
.prose blockquote{margin:1.6em 0;padding:16px 20px;border-radius:16px;background:#e8f6f9;border-left:5px solid var(--aqua)}
.prose pre{overflow:auto;background:var(--deep2);color:#e6f6fa;padding:16px;border-radius:14px;font-size:14px}
.prose code{background:#e8f6f9;padding:2px 6px;border-radius:6px}
.prose iframe{width:100%;aspect-ratio:16/9;height:auto;border:0;border-radius:16px}
.prose .wp-block-button__link{display:inline-block;background:var(--deep);color:#fff;padding:11px 20px;border-radius:999px;text-decoration:none;font-weight:700}
.prose .wp-block-columns{display:flex;flex-wrap:wrap;gap:22px}.prose .wp-block-column{flex:1 1 240px;min-width:0}
.prose .alignleft{float:left;margin:.3em 1.2em 1em 0}.prose .alignright{float:right;margin:.3em 0 1em 1.2em}
.ab-scroll{max-width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch;margin:1.4em 0;border-radius:16px;box-shadow:inset 0 0 0 1px var(--line)}
.ab-scroll figure{margin:0}
.prose table{width:100%;border-collapse:collapse;min-width:460px;font-size:16px}
.prose th,.prose td{padding:11px 14px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.prose thead th{background:#e8f6f9;color:var(--deep)}
/* care (feedback) */
.care{margin-top:30px;background:linear-gradient(135deg,#ffffff,#e9f7fa);border-radius:24px;box-shadow:var(--sh);padding:26px}
.care__head{display:flex;gap:14px;align-items:flex-start}
.care__ic{display:grid;place-items:center;width:50px;height:50px;border-radius:16px;background:var(--deep);color:#fff;flex:none}
.care__t{font-size:21px;margin:0 0 4px}.care__s{margin:0;color:var(--mute);font-size:15px}
.care__btns{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}
.care__b{display:inline-flex;align-items:center;gap:8px;min-height:48px;padding:0 20px;border-radius:999px;border:2px solid var(--line);background:#fff;font-weight:800;font-size:15px;color:var(--deep);transition:all .2s}
.care__b--up:hover,.care__b--up[aria-pressed=true]{border-color:var(--leaf);background:#dcfce7;color:#14532d}
.care__b--down:hover,.care__b--down[aria-pressed=true]{border-color:var(--coral);background:#ffe4e6;color:#9f1239}
.care__b:disabled{cursor:default}
.care__form{display:grid;gap:10px;margin-top:16px;max-width:620px}
.care__form label{font-weight:800;color:var(--deep)}
.care__form textarea{width:100%;border:2px solid var(--line);border-radius:16px;padding:12px;font-size:16px}
.care__form .pill-btn{justify-self:start}
.care__thx{margin:14px 0 0;font-weight:800;color:#15803d}
/* comments */
.talk{margin-top:30px}
.talk__list,.talk__list .children{list-style:none;margin:0;padding:0}
.talk__list .children{padding-left:20px;border-left:2px solid var(--line)}
.talk__list article{padding:14px 0;border-bottom:1px solid var(--line)}
.comment-meta{display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:14px;color:var(--mute)}.comment-meta img{border-radius:50%}.comment-meta a{color:var(--mute);text-decoration:none}.says{display:none}
.comment-form{display:grid;gap:12px}.comment-form p{margin:0}
.comment-form label{display:block;font-weight:800;font-size:15px;margin-bottom:4px}
.comment-form input[type=text],.comment-form input[type=email],.comment-form input[type=url],.comment-form textarea{width:100%;border:2px solid var(--line);border-radius:14px;padding:11px 12px;font-size:16px}
.comment-form-cookies-consent{display:flex;gap:8px;font-size:14px}.comment-form-cookies-consent label{font-weight:400}
.seek{display:flex;align-items:center;gap:8px;background:#fff;border:2px solid var(--line);border-radius:999px;padding:5px 5px 5px 14px;max-width:560px;margin-top:10px}
.seek:focus-within{border-color:var(--aqua)}
.seek .ic{color:var(--mute)}
.seek input{flex:1;min-width:0;border:0;outline:0;padding:8px 0;font-size:16px;background:none}
.seek button{border:0;border-radius:999px;background:var(--deep);color:#fff;padding:10px 18px;font-weight:800}
.lost{text-align:center;max-width:680px;padding-top:30px}
.lost .route ol{justify-content:center}
.lost__n{display:flex;justify-content:center;align-items:center;gap:6px;font-size:110px;font-weight:800;line-height:1;margin:10px 0;color:var(--deep)}
.lost__n span{color:var(--coral);animation:swim 3s ease-in-out infinite}
@keyframes swim{50%{transform:translateX(10px) rotate(-4deg)}}
.lost .seek{margin:18px auto}
/* footer */
.ft{position:relative;margin-top:80px;background:var(--deep2);color:#bfe2ea;padding-top:30px}
.ft__wave{position:absolute;left:0;top:-58px;width:100%;height:60px;color:var(--deep2)}
.ft .logo{color:#fff}
.ft__grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:30px}
.ft__txt{font-size:15px;max-width:420px;margin:12px 0 0}
.ft__h{color:#fff;font-size:16px;margin:6px 0 12px}
.ft__list{list-style:none;margin:0;padding:0;display:grid;gap:8px;font-size:15px}
.ft__list a,.ft__menu a{color:#d6eff4;text-decoration:none}
.ft__list a:hover{color:#fff}
.ft__tips li{display:flex;gap:8px;align-items:center}.ft__tips .ic{color:#67e8f9}
.ft__menu ul{display:flex;flex-wrap:wrap;gap:8px 16px;list-style:none;margin:22px 0 0;padding:0}
.ft__copy{border-top:1px solid rgba(255,255,255,.1);margin-top:28px;padding-top:16px;padding-bottom:22px;font-size:14px;color:#8fb7c3}
/* reef bar */
.reef{display:none}
.sheet{position:fixed;inset:0;z-index:90}
.sheet__bg{position:absolute;inset:0;background:rgba(8,44,69,.5)}
.sheet__card{position:absolute;left:10px;right:10px;bottom:calc(100px + env(safe-area-inset-bottom));background:#fff;border-radius:26px;padding:18px;box-shadow:0 30px 60px -20px rgba(8,44,69,.6);animation:up .25s ease-out}
@media (min-width:900px){.sheet__card{left:50%;right:auto;bottom:auto;top:14vh;width:520px;transform:translateX(-50%);animation:none}}
.sheet__top{display:flex;justify-content:space-between;align-items:center;font-size:18px;color:var(--deep);margin-bottom:12px}
.sheet__x{width:44px;height:44px;border:0;border-radius:14px;background:#e8f6f9;display:grid;place-items:center}
.sheet__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-bottom:12px}
.sheet__grid a{display:flex;flex-direction:column;align-items:center;gap:6px;padding:12px 6px;border-radius:18px;background:#f2f9fb;text-decoration:none;color:var(--deep);font-weight:800;font-size:14px;text-align:center}
.sheet__grid span{display:grid;place-items:center;width:44px;height:44px;border-radius:14px;background:#fff;color:var(--aqua-t)}
.sheet .seek{max-width:none}
@keyframes up{from{transform:translateY(24px);opacity:0}}
@media (max-width:1024px){.steps{grid-template-columns:repeat(2,1fr)}.cards{grid-template-columns:repeat(2,1fr)}.sea__grid{grid-template-columns:1fr}.split{grid-template-columns:minmax(0,1fr)}}
@media (max-width:899px){
body{padding-bottom:calc(96px + env(safe-area-inset-bottom))}
.hd__nav,.hd__cta span{display:none}
.hd__cta{margin-left:auto;width:46px;height:46px;padding:0;justify-content:center}
.sea{padding-top:28px}
.ft__grid{grid-template-columns:1fr 1fr}.ft__grid>div:first-child{grid-column:1/-1}
.reef{display:flex;position:fixed;z-index:60;left:10px;right:10px;bottom:calc(10px + env(safe-area-inset-bottom));height:76px;align-items:flex-end;padding:0 6px 8px;color:var(--deep);filter:drop-shadow(0 12px 22px rgba(8,44,69,.35))}
.reef__bg{position:absolute;inset:0;width:100%;height:100%;z-index:-1}
.reef__i{flex:1;display:flex;flex-direction:column;align-items:center;gap:3px;border:0;background:none;color:#9fd3df;text-decoration:none;font-size:11.5px;font-weight:700;padding:6px 0 0;min-width:0}
.reef__i.cur{color:#fff}
.reef__i.cur .ic{color:#67e8f9}
.reef__bubble{flex:none;align-self:flex-start;display:grid;place-items:center;width:60px;height:60px;margin:-14px 8px 0;border-radius:50%;background:radial-gradient(circle at 30% 30%,#a5f3fc,#0ea5b7 55%,#0b7f8e);color:#fff;box-shadow:inset -4px -6px 10px rgba(0,0,0,.15),inset 4px 4px 10px rgba(255,255,255,.5)}
.reef__bubble::after{content:"";position:absolute;width:12px;height:8px;border-radius:50%;background:rgba(255,255,255,.7);transform:translate(-12px,-14px) rotate(-30deg)}
}
@media (max-width:640px){
:root{--g:16px}
.tank{margin:0 calc(-1*var(--g));border-radius:24px 24px 0 0;padding:18px var(--g)}
.sea__wave{display:none}
.sea__grid{gap:24px}
.tank__out{grid-template-columns:1fr 1fr}
.cards{grid-template-columns:1fr;gap:0}
.card{flex-direction:row;border-radius:0;box-shadow:none;background:none;border-bottom:1px solid var(--line);padding:14px 0;gap:12px}
.card:hover{transform:none}
.card__pic{width:110px;flex:none;aspect-ratio:1;border-radius:14px}
.card__in{padding:0}
.steps{grid-template-columns:1fr;gap:1px;background:var(--line)}
.twin{grid-template-columns:1fr;gap:1px;background:var(--line)}
.step,.twin .prose,.qa details,.paper,.care,.void{border-radius:0;box-shadow:none;margin-left:calc(-1*var(--g));margin-right:calc(-1*var(--g));padding-left:var(--g);padding-right:var(--g)}
.qa{gap:1px;background:var(--line)}
.paper{padding-top:22px;padding-bottom:22px}
.paper__cover{margin:-22px calc(-1*var(--g)) 20px;border-radius:0}
.ab-scroll{margin-left:calc(-1*var(--g));margin-right:calc(-1*var(--g));border-radius:0}
.ft__grid{grid-template-columns:1fr}
.route span{max-width:24ch}
.lost__n{font-size:80px}
}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}