/* © 2026 西域海鲜 · 马三涛 版权所有，未经授权禁止复制、转载或盗用 */
:root{--sea:#0a4d8c;--sea2:#0b6fb8;--deep:#06264a;--coral:#ff5a3c;--gold:#f6b93b;--bg:#f3f6fa;--card:#fff;--txt:#1d2733;--sub:#6b7785;--line:#e6ebf1;--r:14px}
*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC","Source Han Sans SC",sans-serif;background:var(--bg);color:var(--txt);font-size:15px;line-height:1.55;-webkit-user-select:none;user-select:none;-webkit-touch-callout:none;padding-bottom:72px}
input,textarea{-webkit-user-select:text;user-select:text}
img,svg{-webkit-user-drag:none;user-drag:none}
a{color:inherit;text-decoration:none}
button{font:inherit;border:0;background:none;cursor:pointer;color:inherit}
.wrap{max-width:1180px;margin:0 auto;padding:0 14px}
/* top bar */
.topbar{position:sticky;top:0;z-index:40;background:rgba(6,38,74,.92);backdrop-filter:saturate(1.4) blur(10px);-webkit-backdrop-filter:blur(10px);color:#fff}
.topbar .wrap{display:flex;align-items:center;gap:10px;height:54px}
.logo{display:flex;align-items:center;gap:8px;font-weight:800;font-size:18px;letter-spacing:1px}
.logo svg{width:32px;height:32px}
.logo small{display:block;font-size:10px;font-weight:400;opacity:.75;letter-spacing:0}
.nav{margin-left:auto;display:flex;gap:18px;font-size:14px}
.nav a{opacity:.85}.nav a:hover{opacity:1;color:var(--gold)}
.top-call{margin-left:auto;background:var(--coral);color:#fff;padding:6px 12px;border-radius:20px;font-size:13px;font-weight:600;white-space:nowrap}
@media(min-width:761px){.nav + .top-call{margin-left:14px}}
@media(max-width:760px){.nav{display:none}}
/* hero */
.hero{position:relative;overflow:hidden;color:#fff;background:radial-gradient(120% 90% at 80% 0%,#1f8fe0 0%,#0a4d8c 45%,#06264a 100%)}
.hero .wrap{position:relative;z-index:2;padding:34px 14px 86px;display:grid;grid-template-columns:1.2fr 1fr;gap:20px;align-items:center}
.hero h1{font-size:40px;line-height:1.15;letter-spacing:2px;font-weight:900}
.hero h1 span{color:var(--gold)}
.hero .slogan{margin-top:10px;font-size:17px;opacity:.92}
.hero .tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.hero .tags span{border:1px solid rgba(255,255,255,.35);background:rgba(255,255,255,.08);padding:4px 10px;border-radius:20px;font-size:12.5px}
.hero .cta{display:flex;gap:10px;margin-top:22px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:11px 20px;border-radius:26px;font-weight:700;font-size:15px}
.btn-coral{background:linear-gradient(135deg,#ff7a45,#ff3b30);color:#fff;box-shadow:0 6px 18px rgba(255,70,40,.35)}
.btn-ghost{background:rgba(255,255,255,.14);color:#fff;border:1px solid rgba(255,255,255,.4)}
.btn-sea{background:linear-gradient(135deg,#1590e6,#0a4d8c);color:#fff}
.btn-green{background:#07c160;color:#fff}
.hero-art{position:relative;height:260px}
.hero-art svg{width:100%;height:100%;filter:drop-shadow(0 18px 30px rgba(0,0,0,.35))}
.waves{position:absolute;left:0;right:0;bottom:-1px;z-index:1;height:70px;width:100%}
.bubbles i{position:absolute;bottom:-20px;width:10px;height:10px;border-radius:50%;background:rgba(255,255,255,.25);animation:rise 9s linear infinite}
@keyframes rise{to{transform:translateY(-480px);opacity:0}}
@media(max-width:760px){.hero .wrap{grid-template-columns:1fr;padding:22px 16px 70px;gap:0}.hero h1{font-size:30px}.hero .slogan{font-size:15px}.hero-art{height:150px;order:-1;margin-bottom:6px}}
/* notice */
.notice{margin:-40px auto 0;position:relative;z-index:3}
.notice .box{background:#fff;border-radius:var(--r);box-shadow:0 8px 30px rgba(10,77,140,.12);display:grid;grid-template-columns:repeat(4,1fr);padding:14px 6px}
.notice .it{text-align:center;font-size:12.5px;color:var(--sub);padding:0 4px}
.notice .it b{display:block;font-size:22px;margin-bottom:2px}
.notice .it strong{display:block;color:var(--txt);font-size:14px}
/* section */
section{scroll-margin-top:60px}
.sec{padding:26px 0 6px}
.sec-h{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:12px}
.sec-h h2{font-size:21px;font-weight:800;position:relative;padding-left:12px}
.sec-h h2:before{content:"";position:absolute;left:0;top:5px;bottom:5px;width:4px;border-radius:3px;background:linear-gradient(var(--coral),var(--gold))}
.sec-h p{font-size:12.5px;color:var(--sub)}
/* shop tools */
.tools{position:sticky;top:54px;z-index:30;background:var(--bg);padding:10px 0 8px}
.search{display:flex;align-items:center;background:#fff;border-radius:24px;padding:0 14px;height:42px;box-shadow:0 2px 10px rgba(0,0,0,.05);border:1px solid var(--line)}
.search svg{width:18px;height:18px;flex:none;color:var(--sub)}
.search input{flex:1;border:0;outline:0;font-size:15px;padding:0 8px;background:transparent;height:100%;min-width:0}
.search .clr{color:var(--sub);font-size:18px;display:none;padding:0 4px}
.cats{display:flex;gap:8px;overflow-x:auto;scrollbar-width:none;padding:10px 0 2px}
.cats::-webkit-scrollbar{display:none}
.cat{flex:none;padding:7px 14px;border-radius:20px;background:#fff;border:1px solid var(--line);font-size:14px;color:#3a4652;white-space:nowrap;display:flex;align-items:center;gap:5px}
.cat em{font-style:normal;font-size:11px;color:var(--sub)}
.cat.on{background:var(--sea);color:#fff;border-color:var(--sea);font-weight:700}
.cat.on em{color:#cfe6ff}
.subbar{display:flex;gap:8px;align-items:center;margin-top:8px;font-size:13px;color:var(--sub);flex-wrap:wrap}
.chip{padding:3px 10px;border-radius:14px;background:#e9eff6;color:#3a4652;font-size:12.5px}
.chip.on{background:#fff1ec;color:var(--coral);box-shadow:inset 0 0 0 1px #ffc2b3}
.subbar .sort{margin-left:auto;display:flex;gap:6px}
.result{font-size:12.5px;color:var(--sub);margin:4px 2px 10px}
/* grid */
.grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
@media(min-width:640px){.grid{grid-template-columns:repeat(3,1fr)}}
@media(min-width:960px){.grid{grid-template-columns:repeat(4,1fr);gap:16px}}
.card{background:var(--card);border-radius:var(--r);overflow:hidden;box-shadow:0 2px 10px rgba(16,40,80,.06);display:flex;flex-direction:column;cursor:pointer;transition:transform .15s,box-shadow .15s}
.card:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(16,40,80,.12)}
.card[hidden]{display:none}
.pic{position:relative;aspect-ratio:4/3;display:flex;align-items:center;justify-content:center;overflow:hidden}
.pic svg.ill{width:62%;height:72%;filter:drop-shadow(0 8px 12px rgba(0,0,0,.18))}
.pic:after{content:"西域海鲜 · 18699120372";position:absolute;right:6px;bottom:6px;font-size:10px;color:rgba(255,255,255,.7);letter-spacing:.5px;pointer-events:none}
.pic:before{content:"";position:absolute;inset:0;pointer-events:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='110'%3E%3Ctext x='10' y='70' font-size='15' fill='%23ffffff' fill-opacity='.13' transform='rotate(-24 80 55)' font-family='sans-serif'%3E西域海鲜 版权所有%3C/text%3E%3C/svg%3E")}
.g-crab{background:linear-gradient(145deg,#ff9a6b,#e8442e)}
.g-lobster{background:linear-gradient(145deg,#ff6f61,#a3122a)}
.g-shrimp{background:linear-gradient(145deg,#ffb36b,#f0642f)}
.g-fish{background:linear-gradient(145deg,#5cc7ff,#0a62b8)}
.g-squid{background:linear-gradient(145deg,#c39bff,#6a3fc8)}
.g-shell{background:linear-gradient(145deg,#4fe0c2,#0b8f8a)}
.g-abalone{background:linear-gradient(145deg,#f7d57a,#b8801c)}
.badge{position:absolute;left:8px;top:8px;background:rgba(0,0,0,.32);color:#fff;font-size:11px;padding:2px 8px;border-radius:10px;backdrop-filter:blur(4px)}
.badge.gift{left:auto;right:8px;background:var(--gold);color:#5a3a00;font-weight:700}
.info{padding:9px 10px 10px;display:flex;flex-direction:column;flex:1}
.info h3{font-size:14px;font-weight:600;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:39px}
.spec{font-size:11.5px;color:var(--sub);margin-top:3px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.row{display:flex;align-items:center;justify-content:space-between;margin-top:auto;padding-top:6px}
.price{color:var(--coral);font-weight:800;font-size:19px}
.price small{font-size:12px;margin-right:1px}
.add{width:30px;height:30px;border-radius:50%;background:linear-gradient(135deg,#ff7a45,#ff3b30);color:#fff;font-size:20px;line-height:30px;text-align:center;box-shadow:0 3px 8px rgba(255,70,40,.35)}
.empty{text-align:center;color:var(--sub);padding:40px 0;display:none}
/* features */
.feat{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
@media(max-width:760px){.feat{grid-template-columns:repeat(2,1fr);gap:10px}}
.feat .f{background:#fff;border-radius:var(--r);padding:16px 14px;box-shadow:0 2px 10px rgba(16,40,80,.05)}
.feat .f b{font-size:26px}
.feat .f h3{font-size:15px;margin:6px 0 4px}
.feat .f p{font-size:12.5px;color:var(--sub)}
.panel{background:#fff;border-radius:var(--r);padding:18px 16px;box-shadow:0 2px 10px rgba(16,40,80,.05);font-size:14px;color:#3a4652}
.panel p+p{margin-top:8px}
.panel .hl{color:var(--sea);font-weight:700}
.two{display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media(max-width:760px){.two{grid-template-columns:1fr}}
.wx{background:linear-gradient(135deg,#06264a,#0a4d8c);color:#fff;border-radius:var(--r);padding:20px 18px;display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.wx .ic{width:56px;height:56px;border-radius:14px;background:#07c160;display:flex;align-items:center;justify-content:center;flex:none}
.wx .ic svg{width:34px;height:34px}
.wx .t{flex:1;min-width:200px}
.wx .t h3{font-size:18px}
.wx .t p{font-size:13px;opacity:.85}
.wx .num{font-size:24px;font-weight:800;letter-spacing:1px;color:var(--gold)}
.wx .acts{display:flex;gap:8px;flex-wrap:wrap}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-top:4px;counter-reset:s}
@media(max-width:760px){.steps{grid-template-columns:repeat(2,1fr)}}
.steps div{background:#f3f8fd;border-radius:10px;padding:10px;font-size:13px;position:relative;padding-left:38px}
.steps div:before{counter-increment:s;content:counter(s);position:absolute;left:10px;top:10px;width:20px;height:20px;border-radius:50%;background:var(--sea);color:#fff;font-size:12px;text-align:center;line-height:20px;font-weight:700}
/* footer */
footer{margin-top:30px;background:#071d36;color:#9fb3c8;font-size:13px;padding:26px 0 22px}
footer .brand{color:#fff;font-size:17px;font-weight:800;display:flex;align-items:center;gap:8px}
footer .brand svg{width:28px;height:28px}
footer .cols{display:grid;grid-template-columns:2fr 1fr 1fr;gap:16px;margin-bottom:16px}
@media(max-width:760px){footer .cols{grid-template-columns:1fr}}
footer h4{color:#fff;font-size:14px;margin-bottom:6px}
footer a{color:#cfe0f2}
footer .copy{border-top:1px solid rgba(255,255,255,.1);padding-top:14px;text-align:center;font-size:12px;line-height:1.8}
footer .copy b{color:#fff}
/* floating */
.fab{position:fixed;right:14px;bottom:86px;z-index:50;display:flex;flex-direction:column;gap:10px}
.fab a,.fab button{width:50px;height:50px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;box-shadow:0 6px 16px rgba(0,0,0,.25);position:relative}
.fab .call{background:linear-gradient(135deg,#ff7a45,#ff3b30);animation:pulse 2s infinite}
.fab .top{background:rgba(6,38,74,.8);font-size:12px;opacity:0;pointer-events:none;transition:.2s}
.fab .top.show{opacity:1;pointer-events:auto}
.fab svg{width:24px;height:24px}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(255,70,40,.55)}70%{box-shadow:0 0 0 14px rgba(255,70,40,0)}100%{box-shadow:0 0 0 0 rgba(255,70,40,0)}}
.cartbar{position:fixed;left:0;right:0;bottom:0;z-index:45;background:#fff;box-shadow:0 -4px 18px rgba(0,0,0,.08);padding:8px 12px calc(8px + env(safe-area-inset-bottom))}
.cartbar .wrap{display:flex;align-items:center;gap:10px;padding:0}
.cartbar .bag{position:relative;width:46px;height:46px;border-radius:50%;background:var(--sea);display:flex;align-items:center;justify-content:center;color:#fff;margin-top:-18px;border:4px solid #fff;flex:none}
.cartbar .bag svg{width:22px;height:22px}
.cartbar .bag i{position:absolute;top:-4px;right:-6px;background:var(--coral);color:#fff;font-style:normal;font-size:11px;min-width:18px;height:18px;border-radius:9px;text-align:center;line-height:18px;padding:0 4px;font-weight:700}
.cartbar .sum{flex:1;font-size:13px;color:var(--sub);line-height:1.3}
.cartbar .sum b{color:var(--coral);font-size:19px}
.cartbar .go{background:linear-gradient(135deg,#ff7a45,#ff3b30);color:#fff;padding:10px 20px;border-radius:22px;font-weight:700;white-space:nowrap}
/* modal / sheet */
.mask{position:fixed;inset:0;background:rgba(5,20,40,.55);z-index:80;display:none;align-items:flex-end;justify-content:center}
.mask.show{display:flex;animation:fade .2s}
@keyframes fade{from{opacity:0}}
.sheet{background:#fff;width:100%;max-width:560px;max-height:88vh;overflow:auto;border-radius:18px 18px 0 0;animation:up .25s ease-out;position:relative}
@keyframes up{from{transform:translateY(40px);opacity:.4}}
@media(min-width:760px){.mask{align-items:center}.sheet{border-radius:18px}}
.sheet .x{position:absolute;right:10px;top:10px;width:32px;height:32px;border-radius:50%;background:rgba(0,0,0,.35);color:#fff;font-size:18px;z-index:3}
.sheet .pic{aspect-ratio:16/10}
.sheet .pic svg.ill{width:44%;height:70%}
.d-body{padding:16px}
.d-body .price{font-size:28px}
.d-body h3{font-size:18px;margin:4px 0 8px;line-height:1.4}
.kv{display:grid;grid-template-columns:72px 1fr;gap:6px 8px;font-size:13.5px;background:#f6f8fb;border-radius:10px;padding:10px 12px;margin:10px 0}
.kv dt{color:var(--sub)}
.tip{font-size:12px;color:var(--sub);margin-top:6px}
.qty{display:flex;align-items:center;gap:0;border:1px solid var(--line);border-radius:18px;overflow:hidden}
.qty button{width:34px;height:32px;font-size:18px;color:var(--sea)}
.qty span{min-width:30px;text-align:center;font-weight:700}
.d-acts{display:flex;gap:10px;margin-top:14px}
.d-acts .btn{flex:1}
.cart-h{padding:16px 16px 6px;display:flex;justify-content:space-between;align-items:center;font-weight:800;font-size:17px}
.cart-h button{font-size:13px;color:var(--sub);font-weight:400}
.cart-list{padding:0 16px}
.ci{display:flex;gap:10px;align-items:center;padding:10px 0;border-bottom:1px solid var(--line)}
.ci .mini{width:48px;height:48px;border-radius:10px;flex:none;display:flex;align-items:center;justify-content:center}
.ci .mini svg{width:34px;height:34px}
.ci .n{flex:1;font-size:13.5px;line-height:1.35}
.ci .n b{color:var(--coral);display:block;font-size:14px}
.cart-empty{text-align:center;color:var(--sub);padding:30px 0}
.cart-f{padding:14px 16px 18px;position:sticky;bottom:0;background:#fff;border-top:1px solid var(--line)}
.cart-f .tot{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:10px}
.cart-f .tot b{color:var(--coral);font-size:22px}
.cart-f .btns{display:flex;gap:8px}
.cart-f .btns .btn{flex:1;padding:11px 10px}
.toast{position:fixed;left:50%;top:40%;transform:translate(-50%,-50%);background:rgba(0,0,0,.78);color:#fff;padding:10px 18px;border-radius:10px;z-index:99;font-size:14px;opacity:0;pointer-events:none;transition:opacity .2s;max-width:80%;text-align:center}
.toast.show{opacity:1}
.fly{position:fixed;width:16px;height:16px;border-radius:50%;background:var(--coral);z-index:98;pointer-events:none;transition:all .55s cubic-bezier(.5,-0.4,.8,.6)}
@media print{body{display:none!important}}