/* 宇宙飞船域名商店 · 浅色主题（手机优先，桌面双栏） */
:root{
  --bg:#ffffff; --bg2:#f7f9fc; --card:#ffffff; --card2:#f2f5fa; --line:#dfe5ef;
  --fg:#1a2233; --dim:#5b6779; --mut:#8a95a6;
  --brand:#1f6feb; --brand2:#0b57d0; --ok:#0f8a55; --warn:#b7791f; --bad:#c62f2f;
  --grad:linear-gradient(135deg,#1f6feb,#5b3df5);
  --r:12px; --sp:16px; --sh:0 1px 2px rgba(16,24,40,.06),0 4px 12px rgba(16,24,40,.05);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{background:var(--bg);color:var(--fg);
  font:15px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC",
  "Hiragino Sans GB","Microsoft YaHei",sans-serif;-webkit-text-size-adjust:100%;min-height:100vh}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
h1{font-size:22px;margin:6px 0 14px;font-weight:650}h2{font-size:18px;margin:14px 0 10px}
h3{font-size:15px;margin:0 0 10px;font-weight:650}
.wrap{max-width:1160px;margin:0 auto;padding:0 var(--sp)}
.wrap.narrow{max-width:620px}
.page{display:block}
.skip{position:absolute;left:-9999px}.skip:focus{left:8px;top:8px;z-index:99;background:var(--brand);color:#fff;padding:6px 10px;border-radius:8px}
.muted{color:var(--dim)}.tiny{font-size:12px}.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}
.warn{color:var(--warn)}.minus{color:var(--ok)}.big{font-size:19px}
.wrapable{word-break:break-all;white-space:normal}

/* 顶栏 */
.top{position:sticky;top:0;z-index:20;background:#fff;border-bottom:1px solid var(--line)}
.topin{display:flex;align-items:center;gap:12px;height:58px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:8px;font-weight:650;color:var(--fg);white-space:nowrap}
.brand:hover{text-decoration:none}.mark{font-size:18px}
.nav{display:flex;gap:4px;margin-left:auto;flex-wrap:wrap}
.navi{padding:7px 13px;border-radius:99px;color:var(--dim);font-size:14px}
.navi:hover{color:var(--brand);background:var(--card2);text-decoration:none}
.navi.on{background:var(--brand);color:#fff}
.topright{display:flex;gap:8px;align-items:center}

/* 通用 */
main{padding:24px 0 48px;min-height:calc(100vh - 150px)}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:16px;
  margin:0 0 16px;box-shadow:var(--sh)}
.cardin{color:var(--fg)}
.grid2{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:12px}
.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-top:10px}
.wraprow{flex-wrap:wrap}
.cols{display:grid;grid-template-columns:1fr;gap:16px}
.alert{padding:11px 14px;border-radius:10px;background:#fdf1f1;border:1px solid #f2c9c9;
  border-left:3px solid var(--bad);margin:0 0 14px;color:#7a2222}
.alert.ok{background:#eefaf3;border-color:#bfe9d3;border-left-color:var(--ok);color:#0d5c3a}
.alert.warn{background:#fdf7ea;border-color:#f0dcb4;border-left-color:var(--warn);color:#7a5312}
.flash{max-width:1160px;margin:12px auto 0;padding:11px 16px;border-radius:10px;background:#eefaf3;
  border:1px solid #bfe9d3;color:#0d5c3a;font-size:14px}
.empty{padding:40px 16px;text-align:center;color:var(--mut);border:1px dashed var(--line);
  border-radius:var(--r);background:var(--bg2)}
.kv{display:flex;gap:10px;justify-content:space-between;padding:8px 0;border-bottom:1px solid var(--line)}
.kv:last-child{border-bottom:0}
.kv span{color:var(--dim)}.kv b{text-align:right;font-weight:600}
.badge{display:inline-block;padding:2px 9px;border-radius:99px;font-size:12px;
  background:var(--card2);color:var(--dim);border:1px solid var(--line)}
.badge.green{background:#e9f8f0;color:#0d6b41;border-color:#bfe9d3}
.badge.blue{background:#eaf2fd;color:#1450a8;border-color:#c7dcf8}
.badge.amber{background:#fdf4e3;color:#8a5a10;border-color:#f0dcb4}
.badge.gray{background:#f2f4f7;color:#5b6779}
.badge.red{background:#fdeeee;color:#a02020;border-color:#f2c9c9}

/* 按钮与表单 */
.btn{display:inline-block;padding:9px 15px;border-radius:10px;border:1px solid var(--line);
  background:#fff;color:var(--fg);font-size:14px;cursor:pointer;font-family:inherit;
  box-shadow:0 1px 1px rgba(16,24,40,.04)}
.btn:hover{border-color:#c3cfe2;background:var(--bg2);text-decoration:none}
.btn.primary{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:600}
.btn.primary:hover{background:var(--brand2);border-color:var(--brand2)}
.btn.ghost{background:#fff}
.btn.warn{border-color:#f2c9c9;color:#a02020;background:#fff}
.btn.sm{padding:6px 11px;font-size:13px}.btn.xs{padding:3px 8px;font-size:12px}
input,select,textarea{width:100%;padding:9px 11px;border-radius:10px;border:1px solid var(--line);
  background:#fff;color:var(--fg);font-size:14px;font-family:inherit}
input::placeholder,textarea::placeholder{color:#a6b0c0}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(31,111,235,.12)}
label{display:block;font-size:13px;color:var(--dim);gap:6px;margin-bottom:10px}
label.chk{display:flex;align-items:center;gap:8px}label.chk input{width:auto}
.filters{display:flex;gap:8px;flex-wrap:wrap;margin:0 0 16px;align-items:center}
.filters input,.filters select{width:auto;min-width:130px;flex:1 1 130px}

/* 首页 */
.hero{padding:26px 22px;border-radius:16px;background:var(--bg2);
  border:1px solid var(--line);margin-bottom:18px}
.hero h1{font-size:25px;margin:0 0 8px}.hl{color:var(--brand)}
.tierbox{margin-top:14px;padding:12px 14px;background:#fff;border-radius:12px;border:1px solid var(--line)}
.tierbox ul{margin:6px 0 0;padding-left:18px;color:var(--dim);font-size:13.5px}
.cartbar{position:sticky;top:58px;z-index:15;display:flex;gap:12px;justify-content:space-between;
  align-items:center;padding:11px 14px;background:#eaf2fd;border:1px solid #c7dcf8;
  border-radius:12px;margin-bottom:14px;color:#1450a8}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(170px,1fr));gap:12px}
.dform{display:block;margin:0}
.dcard{position:relative;display:block;width:100%;text-align:left;font:inherit;color:inherit;
  padding:14px;border-radius:12px;background:#fff;appearance:none;-webkit-appearance:none;
  border:1px solid var(--line);cursor:pointer;transition:.15s;box-shadow:var(--sh)}
.dcard>span{display:block}
.dcard:hover{border-color:#c3cfe2;transform:translateY(-1px)}
.dcard.on{border-color:var(--brand);box-shadow:0 0 0 3px rgba(31,111,235,.14)}
.dchk{position:absolute;opacity:0;pointer-events:none}
.dname{font-weight:650;word-break:break-all;font-size:15px}
.dmeta{display:flex;justify-content:space-between;align-items:center;margin-top:8px;gap:6px}
.tld{font-size:11px;color:var(--mut);background:var(--card2);padding:2px 7px;border-radius:99px}
.dprice{font-weight:700;color:#0d6b41}
.dexp{font-size:11px;margin-top:6px;color:var(--mut)}
.drenew{font-size:11px;margin-top:4px;color:#0d6b41}
.dpick{display:block;margin-top:10px;text-align:center;font-size:12px;padding:6px;border-radius:8px;
  background:var(--card2);color:var(--dim)}
.dcard.on .dpick{background:var(--brand);color:#fff}
.gridfoot{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:16px;flex-wrap:wrap}

/* 购物车 / 结算 */
.cartgrid{display:grid;grid-template-columns:1fr;gap:16px}
.cartcalc{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:16px;
  height:fit-content;box-shadow:var(--sh)}
.calcbox{margin-bottom:12px}
.checkout{border-top:1px solid var(--line);padding-top:12px}
.paygrid{display:grid;grid-template-columns:1fr;gap:16px}
.chs{display:grid;gap:8px;margin:10px 0}
.ch{display:flex;align-items:center;gap:10px;padding:11px 13px;border:1px solid var(--line);
  border-radius:12px;background:#fff;cursor:pointer;color:var(--fg);margin:0}
.ch input{width:auto}.ch small{margin-left:auto;color:var(--mut)}
.domlist{margin:0;padding-left:20px;color:var(--dim)}
.codebox{margin:12px 0;padding:12px;background:var(--bg2);border-radius:12px;border:1px solid var(--line)}
.bigno{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:24px;letter-spacing:1px;
  color:var(--brand);word-break:break-all;font-weight:700}
.doneno{padding:20px;border-radius:14px;background:var(--bg2);border:1px solid var(--line);
  margin-bottom:16px;text-align:center}
.donebox .alert{margin-top:14px}
.steps{padding-left:20px;color:var(--dim)}.steps li{margin:6px 0}
.qform{max-width:520px}
.ttl{color:var(--warn);font-variant-numeric:tabular-nums}
.mailview{width:100%;height:520px;border:1px solid var(--line);border-radius:12px;background:#fff}

/* 首页说明与常见问题 */
.infobar{display:grid;grid-template-columns:1fr;gap:10px;margin:0 0 16px}
.infobar>div{background:#fff;border:1px solid var(--line);border-left:3px solid var(--brand);
  border-radius:12px;padding:12px 14px;font-size:13.5px;color:var(--dim);box-shadow:var(--sh)}
.infobar b{color:var(--fg)}
.steps-card h3{margin-bottom:6px}
ol.flow{margin:0;padding-left:22px;color:var(--dim)}
ol.flow li{margin:7px 0;line-height:1.65}
ol.flow b{color:var(--fg)}
.faq details{border-bottom:1px solid var(--line);padding:9px 0}
.faq details:last-child{border-bottom:0}
.faq summary{cursor:pointer;font-weight:600;font-size:14px;color:var(--fg);list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::before{content:"＋";color:var(--brand);margin-right:8px;font-weight:700}
.faq details[open] summary::before{content:"－"}
.faq details p{margin:8px 0 2px;color:var(--dim);font-size:13.5px}
@media (min-width:820px){.infobar{grid-template-columns:1fr 1fr}}

/* 收款码 + 人工核销 */
.pcgrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:14px;margin:14px 0}
.pc{margin:0;text-align:center;background:var(--bg2);border:1px solid var(--line);
  border-radius:12px;padding:12px}
.pc img{max-width:100%;height:auto;border-radius:8px;background:#fff}
.pc figcaption{margin-top:8px;font-size:13px;color:var(--dim)}
.card.verify{border-color:#f0dcb4;background:linear-gradient(180deg,#fdf7ea,#fff 70%)}
.card.verify h3{color:#8a5a10}
.card.pushbox{border-color:#b9d0f5;background:linear-gradient(180deg,#eaf2fd,#fff 60%)}
.card.pushbox h3{color:#1450a8}

/* 表格 */
.tblwrap{overflow-x:auto;border:1px solid var(--line);border-radius:12px;background:#fff}
.tbl{width:100%;border-collapse:collapse;font-size:13.5px;min-width:620px}
.tbl th{text-align:left;padding:10px 11px;background:var(--bg2);color:var(--dim);font-weight:600;
  border-bottom:1px solid var(--line);white-space:nowrap}
.tbl td{padding:10px 11px;border-bottom:1px solid var(--line);vertical-align:top}
.tbl tr:last-child td{border-bottom:0}
.tbl tr:hover td{background:var(--bg2)}
pre.code{background:var(--bg2);border:1px solid var(--line);border-radius:10px;padding:12px;
  overflow:auto;font-size:12.5px;color:#334155}
.tabs{display:flex;gap:6px;margin-bottom:14px;flex-wrap:wrap}
.tabs a{padding:6px 13px;border-radius:99px;background:#fff;border:1px solid var(--line);color:var(--dim);font-size:13px}
.tabs a.on{background:var(--brand);color:#fff;border-color:var(--brand)}
.tabs a:hover{text-decoration:none}
.kpis{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-bottom:16px}
.kpi{background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px;text-align:center;
  box-shadow:var(--sh)}
.kpi b{display:block;font-size:22px}.kpi span{font-size:12px;color:var(--mut)}
.checks{padding-left:18px;margin:0}.checks li{margin:5px 0;font-size:13px}
.checks li.ok{color:#0d6b41}.checks li.warn{color:var(--warn)}
.logincard{max-width:400px;margin:8vh auto;background:#fff;border:1px solid var(--line);
  border-radius:16px;padding:24px;box-shadow:var(--sh)}
.lform{margin-top:12px}.mockbox{max-width:560px}
.btn.bigbtn{width:100%;padding:13px 16px;font-size:15px}
.codeinput{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:24px;letter-spacing:8px;
  text-align:center;padding:12px 8px}
.otpcode{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:18px;letter-spacing:6px;
  text-align:center;max-width:180px}
.foot{border-top:1px solid var(--line);padding:18px 0;color:var(--mut);font-size:12.5px;background:var(--bg2)}
.foot .wrap{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}
.err-card{text-align:center;padding:60px 20px}
.err-code{font-size:56px;font-weight:800;color:var(--brand)}
@media (min-width:820px){
  h1{font-size:26px}
  .cols{grid-template-columns:1.2fr 1fr}
  .cartgrid,.paygrid{grid-template-columns:1.55fr 1fr}
  .kpis{grid-template-columns:repeat(4,1fr)}
  .grid{grid-template-columns:repeat(auto-fill,minmax(198px,1fr))}
  .cartbar{top:62px}
}
@media (max-width:480px){
  .bigno{font-size:19px}.hero{padding:18px 14px}.hero h1{font-size:21px}
  .topin{height:auto;padding:8px 0}.nav{width:100%}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}

/* 右下角「加到桌面」 */
.desk{position:fixed;right:14px;bottom:14px;z-index:60;display:flex;flex-direction:column;
  align-items:flex-end;gap:8px}
.deskbtn{background:var(--brand);color:#fff;border:0;border-radius:99px;padding:10px 16px;
  font:inherit;font-size:14px;cursor:pointer;box-shadow:0 6px 18px rgba(31,111,235,.32);opacity:.94}
.deskbtn:hover{filter:brightness(1.07);opacity:1}
#main{padding-bottom:74px}      /* 别让用户点到悬浮按钮盖住的内容 */
.deskpop{background:#fff;border:1px solid var(--line);border-radius:12px;padding:12px 14px;
  max-width:min(320px,86vw);box-shadow:0 10px 28px rgba(20,30,55,.16);font-size:13px;line-height:1.65}
.deskpop ol{margin:8px 0;padding-left:18px}
.deskpop b{color:var(--fg)}
ul.tight{margin:4px 0;padding-left:18px}