:root{--account-navy:#0d2f43;--account-blue:#2e7795;--account-pale:#eaf7fb;--account-line:rgba(13,47,67,.18)}
.account-body{min-height:100vh;color:var(--account-navy);background:#bfe9f7;overflow-x:hidden}.account-bg{position:fixed;inset:0;z-index:-2;background:linear-gradient(110deg,rgba(233,249,255,.94) 0 48%,rgba(217,244,252,.6) 66%,rgba(168,222,239,.42)),url('../media/library-bg.jpg') center/cover no-repeat}.account-bg:after{content:"";position:absolute;inset:0;background:radial-gradient(circle at 76% 20%,rgba(255,255,255,.72),transparent 30%),linear-gradient(180deg,transparent,rgba(146,211,231,.25))}.account-topbar{background:rgba(237,250,255,.42);backdrop-filter:blur(14px)}.account-back{color:var(--account-navy);font-size:.86rem;font-weight:800;text-decoration:none}.account-shell{width:min(1180px,calc(100% - 40px));min-height:calc(100vh - 122px);margin:20px auto;display:grid;grid-template-columns:minmax(0,1.08fr) minmax(380px,.72fr);align-items:center;gap:clamp(46px,8vw,110px);padding:50px 20px}.account-intro{padding-left:clamp(0px,3vw,38px)}.account-kicker{margin:0;color:#44758b;font-size:.72rem;font-weight:800;letter-spacing:.2em}.account-intro h1{margin:25px 0 20px;font-size:clamp(4.3rem,8vw,7.5rem)}.account-intro h1 em{color:#327e9b}.account-intro>p:not(.account-kicker){max-width:520px;color:#355f72;font:1.05rem/2 "Noto Serif SC",serif}.account-route{max-width:480px;margin-top:44px;display:flex;align-items:center;gap:13px;color:#4a7284;font-size:.72rem;font-weight:800;letter-spacing:.08em}.account-route i{height:1px;flex:1;background:rgba(18,63,84,.25)}.account-card{min-height:545px;padding:42px;background:rgba(246,252,253,.76);border:1px solid rgba(255,255,255,.8);box-shadow:0 28px 80px rgba(34,98,122,.17);backdrop-filter:blur(20px)}.account-loading{min-height:455px;display:grid;place-items:center;color:#4a7183}.account-tabs{display:grid;grid-template-columns:1fr 1fr;margin-bottom:36px;border-bottom:1px solid var(--account-line)}.account-tabs button{padding:0 0 15px;border:0;border-bottom:2px solid transparent;background:none;color:#6c8793;font:800 .95rem/1 inherit;cursor:pointer}.account-tabs button.is-active{border-bottom-color:var(--account-navy);color:var(--account-navy)}.account-field{margin-bottom:22px}.account-field label{display:block;margin-bottom:9px;font-size:.8rem;font-weight:800}.account-field input{width:100%;height:50px;padding:0 14px;border:1px solid var(--account-line);border-radius:0;outline:0;background:rgba(255,255,255,.6);color:var(--account-navy);font:600 1rem/1 inherit}.account-field input:focus{border-color:#3b819d;box-shadow:0 0 0 3px rgba(59,129,157,.12)}.account-message{min-height:22px;margin:4px 0 14px;color:#3d748b;font-size:.82rem}.account-message.is-error{color:#a34038}.account-submit{width:100%;height:54px;padding:0 18px;border:0;background:var(--account-navy);color:#f2fbfe;display:flex;align-items:center;justify-content:space-between;font:800 .92rem/1 inherit;cursor:pointer}.account-submit:disabled{opacity:.55;cursor:wait}.account-submit b{font-size:1.2rem}.account-profile{text-align:center}.account-avatar{width:86px;height:86px;margin:25px auto 17px;border:1px solid rgba(15,51,70,.25);border-radius:50%;display:grid;place-items:center;background:rgba(255,255,255,.52);font:700 1.65rem "Noto Serif SC",serif}.account-profile h2{margin:0;font:700 2rem/1.4 "Noto Serif SC",serif}.account-profile>p:not(.account-kicker){margin:5px 0 28px;color:#598092}.account-profile dl{margin:0 0 25px;border-block:1px solid var(--account-line)}.account-profile dl div{display:flex;justify-content:space-between;padding:14px 2px;border-bottom:1px solid rgba(13,47,67,.09);font-size:.84rem}.account-profile dl div:last-child{border:0}.account-profile dt{color:#608090}.account-profile dd{margin:0;font-weight:800}.account-primary-link{height:52px;padding:0 17px;display:flex;align-items:center;justify-content:space-between;background:var(--account-navy);color:#fff;text-decoration:none;font-size:.9rem;font-weight:800}.account-logout{margin-top:18px;border:0;background:none;color:#6d8792;text-decoration:underline;font:700 .8rem/1 inherit;cursor:pointer}.account-error{min-height:455px;display:grid;place-items:center;align-content:center;text-align:center}.account-error>span{width:58px;height:58px;display:grid;place-items:center;border:1px solid #a95d50;border-radius:50%;color:#98483d;font-size:1.5rem}.account-error h2{margin:22px 0 8px;font:700 1.7rem "Noto Serif SC",serif}.account-error p{color:#687f89}.nav__item--outline>span:last-child{padding-left:6px}
@media(max-width:850px){.account-shell{grid-template-columns:1fr;gap:35px;padding-top:36px}.account-intro{text-align:center}.account-intro>p:not(.account-kicker),.account-route{margin-left:auto;margin-right:auto}.account-intro h1{font-size:4.7rem}.account-card{width:min(540px,100%);margin:auto}}
@media(max-width:560px){.account-topbar{height:68px;padding-inline:16px}.account-shell{width:100%;margin:0;padding:35px 16px 45px}.account-intro h1{font-size:4rem}.account-intro>p:not(.account-kicker){font-size:.92rem}.account-route{display:none}.account-card{min-height:510px;padding:30px 24px}.account-back{font-size:.78rem}}

/* v16 · 答题口令、等级与登船说明 */
.account-shell{width:min(1280px,calc(100% - 40px));grid-template-columns:minmax(0,1.15fr) minmax(390px,.65fr);align-items:start;gap:clamp(44px,7vw,96px);padding-top:42px}.account-intro h1{font-size:clamp(4rem,6.8vw,6.7rem)}.account-card{position:sticky;top:102px}.account-field>small{display:block;margin-top:7px;color:#66828e;font-size:.72rem;line-height:1.5}.account-benefits,.passcode-guide{max-width:630px;margin-top:38px;padding-top:27px;border-top:1px solid var(--account-line)}.account-benefits h2,.passcode-guide h2{margin:7px 0 19px;font:700 1.45rem/1.4 "Noto Serif SC",serif}.account-benefits ul{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:0;padding:0;list-style:none}.account-benefits li{min-height:132px;padding:16px;border:1px solid rgba(13,47,67,.13);background:rgba(244,252,254,.42)}.account-benefits li>b{display:block;color:#47829b;font-size:.68rem;letter-spacing:.15em}.account-benefits li span{display:block;margin-top:16px;color:#507181;font-size:.78rem;line-height:1.7}.account-benefits li strong{display:block;margin-bottom:4px;color:var(--account-navy);font-size:.87rem}.passcode-guide>div:first-child{display:flex;align-items:end;justify-content:space-between;gap:20px}.passcode-options{display:grid;grid-template-columns:1fr 1fr;gap:10px}.passcode-option{min-width:0;min-height:75px;padding:12px;border:1px solid rgba(13,47,67,.15);background:rgba(247,253,255,.6);color:var(--account-navy);display:grid;grid-template-columns:36px 1fr auto;align-items:center;gap:10px;text-align:left;text-decoration:none;font:inherit;cursor:pointer}.passcode-option:hover{border-color:#39819e;background:rgba(250,254,255,.9)}.passcode-option:disabled{opacity:.55;cursor:wait}.passcode-option>span{width:34px;height:34px;border:1px solid rgba(13,47,67,.19);border-radius:50%;display:grid;place-items:center;font:700 .9rem "Noto Serif SC",serif}.passcode-option div{min-width:0}.passcode-option strong,.passcode-option small{display:block}.passcode-option strong{font-size:.82rem}.passcode-option small{margin-top:5px;color:#65808b;font-size:.68rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.passcode-option>b{font-size:1rem}.quiz-dialog{width:min(680px,calc(100% - 28px));max-height:calc(100vh - 30px);padding:38px 42px 42px;border:1px solid rgba(255,255,255,.75);color:var(--account-navy);background:#edf9fc;box-shadow:0 32px 100px rgba(7,44,62,.34);overflow:auto}.quiz-dialog::backdrop{background:rgba(7,34,47,.58);backdrop-filter:blur(8px)}.quiz-dialog header{padding-right:38px}.quiz-dialog header h2{margin:8px 0 7px;font:700 1.9rem/1.4 "Noto Serif SC",serif}.quiz-dialog header>p:last-child{margin:0;color:#587681;font-size:.85rem;line-height:1.7}.quiz-close{position:absolute;right:15px;top:13px;width:42px;height:42px;border:0;background:transparent;color:var(--account-navy);font-size:1.8rem;cursor:pointer}.quiz-dialog fieldset{margin:27px 0 0;padding:0;border:0}.quiz-dialog legend{margin-bottom:11px;font:700 .92rem/1.6 "Noto Serif SC",serif}.quiz-dialog fieldset label{display:flex;align-items:center;gap:9px;margin-top:7px;padding:10px 12px;border:1px solid rgba(13,47,67,.12);background:rgba(255,255,255,.52);font-size:.84rem;cursor:pointer}.quiz-dialog fieldset label:has(input:checked){border-color:#3c819d;background:#fff}.quiz-dialog input{accent-color:var(--account-navy)}.quiz-message{min-height:23px;margin:20px 0 9px;color:#4f7381;font-size:.82rem}.quiz-message.is-error{color:#a34038}.quiz-result{padding:45px 0 8px;text-align:center}.quiz-result>span{color:#507582;font-size:.75rem;font-weight:800;letter-spacing:.16em}.quiz-result>strong{display:block;margin:17px 0 13px;font:800 clamp(1.7rem,5vw,2.5rem)/1 Outfit,sans-serif;letter-spacing:.08em}.quiz-result>p{margin:0 0 30px;color:#5e7b86;font-size:.82rem}.quiz-result .account-submit{max-width:360px;margin:auto}
@media(max-width:850px){.account-shell{grid-template-columns:1fr;gap:35px}.account-card{position:static}.account-benefits,.passcode-guide{margin-left:auto;margin-right:auto;text-align:left}.passcode-guide>div:first-child{display:block}.account-benefits h2,.passcode-guide h2{text-align:center}.account-benefits>.account-kicker,.passcode-guide .account-kicker{text-align:center}.account-intro>p:not(.account-kicker){text-align:center}}
@media(max-width:560px){.account-benefits ul{grid-template-columns:1fr}.account-benefits li{min-height:0;display:grid;grid-template-columns:34px 1fr;align-items:start}.account-benefits li span{margin-top:0}.passcode-options{grid-template-columns:1fr}}