/* 灵数档案 · 前台样式
   视觉方向：米白档案纸 + 铜色细线 + 超大字衬线数字，像一本考据手稿。
   和另外三个品类（周易纸本、塔罗深空、星座深棕）刻意拉开，不共用一套皮肤。
   规则：一个选择器一行，属性横向排列。 */

:root{--bg:#f6f2e9;--paper:#fffdf8;--ink:#17150f;--ink2:#55504a;--ink3:#8b8478;--line:#e2d8c6;--line2:#cdbfa7;--brass:#a56f36;--brass2:#c99a5c;--teal:#1f5c55;--red:#9e3b2a;--serif:"Cormorant Garamond","Didot","Bodoni MT","Times New Roman","STZhongsong","Songti SC","Noto Serif SC",serif;--sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.8;background-color:var(--bg);background-image:radial-gradient(1100px 620px at 76% -10%,rgba(201,154,92,.20),transparent 62%),radial-gradient(820px 520px at 4% 14%,rgba(31,92,85,.07),transparent 58%),repeating-linear-gradient(0deg,transparent 0 47px,rgba(23,21,15,.023) 47px 48px),repeating-linear-gradient(90deg,transparent 0 47px,rgba(23,21,15,.023) 47px 48px)}
a{color:inherit;text-decoration:none}
s{text-decoration:none}
img{max-width:100%;display:block}
[hidden]{display:none!important}
.wrap{max-width:1160px;margin:0 auto;padding:0 30px}

/* 滚动入场：脚本可用时先藏起来，进视口再浮上来 */
.rv-hide{opacity:0;transform:translateY(18px)}
.rv.in{animation:rise .75s cubic-bezier(.22,.7,.25,1) both}
@keyframes rise{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}

/* 顶栏 */
.topbar{position:sticky;top:0;z-index:30;background:rgba(246,242,233,.88);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.topbar .wrap{display:flex;align-items:center;justify-content:space-between;height:66px}
.brand{display:flex;align-items:center;gap:11px;font-size:13px;letter-spacing:.08em;color:var(--ink2)}
.brand b{color:var(--ink);letter-spacing:.2em;font-weight:600}
.brand i{width:5px;height:5px;border-radius:50%;background:var(--brass);display:inline-block}
.tnav{display:flex;align-items:center;gap:26px;font-size:13px;color:var(--ink2)}
.tnav a{position:relative;transition:color .25s}
.tnav a::after{content:"";position:absolute;left:0;right:0;bottom:-6px;height:1px;background:var(--brass);transform:scaleX(0);transform-origin:left;transition:transform .3s}
.tnav a:hover{color:var(--brass)}
.tnav a:hover::after{transform:scaleX(1)}
.tnav s{margin-left:4px;color:var(--brass)}

/* 首屏：一本深色封面的档案册，正文再翻成米白纸页 */
.hero{padding:86px 0 76px;position:relative;overflow:hidden;background:#14120e;color:#f2e9d7}
.hero::before{content:"";position:absolute;right:-210px;top:-240px;width:760px;height:760px;border:1px solid rgba(216,178,116,.14);border-radius:50%;pointer-events:none}
.hero::after{content:"";position:absolute;right:-140px;top:-170px;width:620px;height:620px;border:1px dashed rgba(216,178,116,.1);border-radius:50%;pointer-events:none}
.hero-grid{display:grid;grid-template-columns:1.04fr .96fr;gap:62px;align-items:center;position:relative;z-index:1}
.kicker{display:flex;align-items:center;gap:12px;margin:0 0 22px;font-size:10.5px;letter-spacing:.3em;text-transform:uppercase;color:var(--brass2)}
.kicker::before{content:"";width:46px;height:1px;background:rgba(216,178,116,.55)}
.hero h1{margin:0 0 22px;font-family:var(--serif);font-weight:400;font-size:clamp(38px,5.2vw,66px);line-height:1.16;letter-spacing:.005em;color:#f6eedd}
.hero h1 em{font-style:normal;color:var(--brass2);position:relative;white-space:nowrap}
.hero h1 em::after{content:"";position:absolute;left:2px;right:2px;bottom:.02em;height:.5em;background:linear-gradient(180deg,transparent 62%,rgba(216,178,116,.16) 62%);z-index:-1}
.lead{margin:0 0 32px;max-width:30em;color:#b3a78f;font-size:15px;line-height:1.95}

/* 计算器 */
.calc{position:relative;background:var(--paper);color:var(--ink);border:1px solid var(--line2);padding:26px 28px 24px;box-shadow:0 34px 60px -40px rgba(0,0,0,.85)}
.calc::before,.calc::after{content:"";position:absolute;width:14px;height:14px;border:1px solid var(--brass2)}
.calc::before{left:-1px;top:-1px;border-right:0;border-bottom:0}
.calc::after{right:-1px;bottom:-1px;border-left:0;border-top:0}
.clabel{margin:0 0 10px;font-size:11px;letter-spacing:.2em;color:var(--ink3);text-transform:uppercase}
.clabel span{margin-left:8px;letter-spacing:.04em;text-transform:none;color:var(--brass)}
.cfield{display:flex;align-items:center;gap:14px;border-bottom:1px solid var(--line2);padding-bottom:6px;transition:border-color .3s}
.cfield:focus-within{border-bottom-color:var(--brass)}
.cfield input[type="date"]{flex:1;min-width:0;padding:10px 2px;border:0;background:transparent;color:var(--ink);font-family:var(--serif);font-size:23px;letter-spacing:.04em;outline:none;cursor:pointer}
.cfield input[type="date"]::-webkit-calendar-picker-indicator{opacity:.5;cursor:pointer;padding:4px}
.cfield input[type="date"]::-webkit-datetime-edit{color:var(--ink)}
.cbtn{flex:0 0 auto;padding:13px 22px;border:1px solid var(--ink);background:var(--ink);color:var(--paper);font-family:var(--sans);font-size:13px;letter-spacing:.18em;cursor:pointer;transition:background .25s,border-color .25s}
.cbtn s{margin-left:6px;color:var(--brass2);transition:transform .25s;display:inline-block}
.cbtn:hover{background:var(--brass);border-color:var(--brass)}
.cbtn:hover s{transform:translateX(3px)}
.cerr{margin:12px 0 0;font-size:12.5px;color:var(--red);letter-spacing:.04em}
.cerr:empty{display:none}
/* 计算过程：一步一步亮，比直接蹦个结果更让人信服 */
.cstep{display:flex;flex-wrap:wrap;gap:4px 14px;margin-top:12px}
.cstep .st{font-family:var(--serif);font-size:13.5px;color:var(--ink3);opacity:0;transform:translateY(4px);transition:opacity .35s,transform .35s}
.cstep .st.in{opacity:1;transform:none}
.cstep .st+.st::before{content:"→";margin-right:12px;color:var(--brass2)}
.cstep .st.fin{color:var(--teal);font-size:15px}
/* 结果条 */
.cres{display:flex;align-items:center;gap:16px;margin-top:16px;padding:14px 16px;border:1px solid var(--line);background:linear-gradient(90deg,rgba(201,154,92,.10),transparent 70%)}
.cres b{font-family:var(--serif);font-size:52px;line-height:1;font-weight:400;color:var(--brass);min-width:44px;text-align:center}
.cres-txt{display:flex;flex-direction:column;gap:2px;min-width:0}
.cres-txt strong{font-size:14px;letter-spacing:.04em;font-weight:600}
.cres-txt a{font-size:12px;letter-spacing:.12em;color:var(--brass);border-bottom:1px solid rgba(165,111,54,.4);align-self:flex-start;padding-bottom:1px}
.cres-txt a:hover{color:var(--teal);border-bottom-color:var(--teal)}
/* 今年灵数 */
.cyear{display:flex;align-items:center;gap:14px;margin-top:14px;padding-top:14px;border-top:1px dashed var(--line2)}
.cylabel{flex:0 0 auto;font-size:10px;letter-spacing:.16em;color:var(--ink3);white-space:nowrap;border-right:1px solid var(--line);padding-right:12px}
.cyear b{font-family:var(--serif);font-size:38px;line-height:1;font-weight:400;color:var(--teal);min-width:34px;text-align:center}
.cyear p{margin:0;font-size:12.5px;line-height:1.7;color:var(--ink2)}

/* 数字配色：卡片、圆环、关系环统一按 data-n 取色 */
[data-n="1"]{--c:#a8482f}
[data-n="2"]{--c:#4a6a8c}
[data-n="3"]{--c:#b07c2e}
[data-n="4"]{--c:#6d6743}
[data-n="5"]{--c:#3f8f89}
[data-n="6"]{--c:#9c4a5f}
[data-n="7"]{--c:#4f4877}
[data-n="8"]{--c:#37513d}
[data-n="9"]{--c:#27506a}
[data-n="11"]{--c:#6d528f}
[data-n="22"]{--c:#8e5f31}
[data-n="33"]{--c:#803c33}

/* 右侧数字环：深底上的铜线圈 */
.hright{text-align:center}
.dial{--r:174px;--dot:46px;position:relative;width:100%;max-width:452px;aspect-ratio:1/1;margin:0 auto}
.dial .halo{position:absolute;inset:6%;border-radius:50%;background:radial-gradient(circle at 50% 46%,rgba(216,178,116,.14) 0%,rgba(216,178,116,.04) 46%,transparent 70%)}
.dial svg{position:absolute;inset:0;width:100%;height:100%}
.dial svg circle{fill:none;stroke:rgba(231,214,180,.16);stroke-width:1}
.dial svg circle.dash{stroke:rgba(216,178,116,.55);stroke-dasharray:1 8;opacity:.9;transform-origin:180px 180px;animation:spin 220s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.dial .num{position:absolute;inset:0;display:grid;place-items:center;font-family:var(--serif);font-size:clamp(96px,10.5vw,148px);line-height:1;color:#f6eedd;letter-spacing:-.03em;transition:color .3s;text-shadow:0 2px 18px rgba(216,178,116,.16)}
.dial:not(.done) .num{color:#7b705b;opacity:.55}
.dial .num.pop{animation:pop .55s cubic-bezier(.2,.8,.3,1)}
@keyframes pop{0%{opacity:0;transform:scale(.8)}62%{opacity:1;transform:scale(1.05)}100%{transform:scale(1)}}
.ring{position:absolute;inset:0}
.ring .dot{position:absolute;left:50%;top:50%;width:var(--dot);height:var(--dot);margin:calc(var(--dot) / -2) 0 0 calc(var(--dot) / -2);display:flex;align-items:center;justify-content:center;border:1px solid rgba(231,214,180,.26);border-radius:50%;background:#1a1811;color:#ddd0b6;font-family:var(--serif);font-size:15px;line-height:1;transform:rotate(calc(var(--a) * 30deg)) translateY(calc(var(--r) * -1)) rotate(calc(var(--a) * -30deg));transition:transform .35s,background .3s,color .3s,border-color .3s,opacity .35s,box-shadow .35s}
.ring .dot b{font-weight:400}
.ring .dot:not(.soon):hover{color:#fff;background:var(--c,var(--brass));border-color:transparent}
.ring .dot.m{border-color:rgba(216,178,116,.6);color:var(--brass2)}
.ring .dot.on{background:var(--c,var(--brass));color:#fff;border-color:transparent;box-shadow:0 0 0 8px rgba(216,178,116,.16);transform:rotate(calc(var(--a) * 30deg)) translateY(calc(var(--r) * -1)) rotate(calc(var(--a) * -30deg)) scale(1.14);z-index:3}
.dial.done .ring .dot:not(.on){opacity:.28}
.cap{min-height:22px;margin:16px 0 0;font-size:12.5px;letter-spacing:.1em;color:#a89b84;text-align:center}
.cap a{color:var(--brass2);border-bottom:1px solid rgba(216,178,116,.4);padding-bottom:2px}
.cap a:hover{color:#f3ead8;border-bottom-color:#f3ead8}
.dialhint{margin:6px 0 0;text-align:center;font-size:11px;letter-spacing:.08em;color:#8c8069;opacity:.9}

/* 区块通用 */
.sec{padding:72px 0;border-top:1px solid var(--line)}
.sec:nth-of-type(even){background:rgba(255,253,248,.5)}
.sec-head{display:flex;align-items:baseline;gap:16px;margin-bottom:36px;padding-bottom:16px;border-bottom:1px solid var(--line)}
.sec-no{font-family:var(--serif);font-size:31px;line-height:1;letter-spacing:.04em;color:var(--brass);opacity:.55}
.sec-head h2{margin:0;font-family:var(--serif);font-weight:400;font-size:30px;letter-spacing:.02em}
.sec-head p{margin:0 0 0 auto;color:var(--ink3);font-size:12.5px}

/* 数字档案卡：左边一个登记号式的大数字，右边是条目文字 */
.ngroup-head{display:flex;align-items:baseline;gap:12px;margin:34px 0 14px;padding-bottom:8px;border-bottom:1px dashed var(--line)}
.ngroup-head:first-of-type{margin-top:0}
.ngroup-head span{font-family:var(--serif);font-size:19px;letter-spacing:.16em;color:var(--ink)}
.ngroup-head i{font-style:normal;font-size:10.5px;letter-spacing:.22em;color:var(--brass)}
.ngrid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.ncard{position:relative;display:grid;grid-template-columns:78px 1fr;grid-template-areas:"ntop ntop" "nbig nname" "nbig ntag" "nbig nsum" "nbig narr";column-gap:20px;align-content:start;min-height:198px;padding:20px 22px 18px;background:var(--paper);border:1px solid var(--line);overflow:hidden;transition:transform .32s,border-color .32s,box-shadow .32s}
.ncard::before{content:"";position:absolute;inset:5px;border:1px solid transparent;transition:border-color .32s;pointer-events:none}
.ncard::after{content:"";position:absolute;left:0;top:0;width:32%;height:2px;background:var(--c,var(--brass));opacity:.55;transition:width .38s,opacity .3s}
.ncard:hover::after{width:100%;opacity:.85}
.ncard:hover{transform:translateY(-3px);border-color:var(--brass2);box-shadow:0 26px 40px -32px rgba(23,21,15,.5)}
.ncard:hover::before{border-color:rgba(201,154,92,.3)}
.ntop{grid-area:ntop;display:flex;align-items:center;justify-content:space-between;margin-bottom:14px;font-size:9.5px;letter-spacing:.18em;color:var(--ink3)}
.ntop i{font-style:normal}
.nbadge{padding:1px 6px;font-size:8.5px;letter-spacing:.16em;color:var(--brass);border:1px solid rgba(165,111,54,.35)}
.nbig{grid-area:nbig;display:flex;align-items:flex-start;justify-content:center;padding-top:2px;border-right:1px solid var(--line);font-family:var(--serif);font-size:66px;line-height:1;font-weight:400;letter-spacing:-.04em;color:var(--c,var(--brass));opacity:.9;transition:opacity .3s}
.ncard:hover .nbig{opacity:1}
.nname{grid-area:nname;margin:0;font-size:17.5px;font-weight:600;letter-spacing:.06em}
.ntag{grid-area:ntag;margin-top:3px;font-size:10.5px;letter-spacing:.15em;color:var(--teal)}
.ncard .sum{grid-area:nsum;margin-top:8px;font-size:12.5px;line-height:1.72;color:var(--ink2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.narr{grid-area:narr;margin-top:auto;padding-top:10px;font-size:10.5px;letter-spacing:.16em;color:var(--brass2);transition:color .3s,letter-spacing .3s}
.ncard:hover .narr{color:var(--brass);letter-spacing:.2em}
.ncard.master{background:linear-gradient(160deg,rgba(201,154,92,.16),rgba(255,253,248,0) 58%),var(--paper);border-color:rgba(165,111,54,.42)}
.ncard.master .nbig{font-size:54px}

/* 三步与方法示范 */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}
.step{border-top:1px solid var(--ink);padding-top:16px}
.step b{display:block;font-family:var(--serif);font-size:26px;line-height:1;font-weight:400;color:var(--brass);margin-bottom:10px}
.step h3{margin:0 0 6px;font-size:15px;letter-spacing:.06em;font-weight:600}
.step p{margin:0;color:var(--ink2);font-size:13.5px;line-height:1.85}
.example{display:flex;align-items:baseline;gap:18px;margin-top:34px;padding:18px 22px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:rgba(255,253,248,.6)}
.example span{flex:0 0 auto;font-size:10px;letter-spacing:.2em;color:var(--brass)}
.example p{margin:0;font-family:var(--serif);font-size:clamp(15px,2vw,20px);letter-spacing:.03em;color:var(--ink2)}
.example p i{font-style:normal;margin:0 .35em;color:var(--brass2)}
.example p b{color:var(--brass);font-size:1.35em;font-weight:400}

/* 问答 */
.faq{counter-reset:q}
.faq details{border-bottom:1px solid var(--line);padding:18px 0}
.faq details:first-child{border-top:1px solid var(--line)}
.faq summary{cursor:pointer;list-style:none;position:relative;padding-right:30px;font-size:15.5px;font-weight:600;letter-spacing:.02em}
.faq summary::-webkit-details-marker{display:none}
.faq summary::before{counter-increment:q;content:"0" counter(q);margin-right:14px;font-family:var(--serif);font-weight:400;font-size:14px;letter-spacing:.1em;color:var(--brass2)}
.faq summary::after{content:"+";position:absolute;right:4px;top:-3px;font-family:var(--serif);font-size:20px;color:var(--brass);transition:transform .25s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq p{margin:10px 0 0 40px;max-width:52em;color:var(--ink2);font-size:14px;line-height:1.95}

/* 页脚：一块深色收尾，页面不悬空 */
.foot{background:#17150f;color:#d8cfbd;padding:46px 0}
.foot .wrap{display:flex;align-items:flex-start;justify-content:space-between;gap:36px}
.fbrand{display:flex;flex-direction:column;gap:6px}
.fbrand b{font-family:var(--serif);font-size:20px;letter-spacing:.22em;color:#f3ead8;font-weight:400}
.fbrand span{font-size:11.5px;letter-spacing:.16em;color:#8e8674}
.fmeta{text-align:right;font-size:11.5px;letter-spacing:.06em;line-height:1.9}
.fmeta a{color:#c99a5c;border-bottom:1px solid rgba(201,154,92,.35)}
.fmeta a:hover{color:#f3ead8}
.fmeta p{margin:0}

/* ---------- 详情页 ---------- */
/* 详情页首屏也用深色封面，和首页统一成一本册子 */
.ihero{padding:56px 0 68px;position:relative;overflow:hidden;background:#14120e;color:#f2e9d7}
.ihero::before{content:"";position:absolute;left:-180px;top:-260px;width:700px;height:700px;border:1px solid rgba(216,178,116,.12);border-radius:50%;pointer-events:none}
.ihero .wrap{position:relative;z-index:1}
.crumb{margin:0 0 28px;font-size:11.5px;letter-spacing:.1em;color:#8c8069}
.crumb a{color:#c9bda6}
.crumb a:hover{color:var(--brass2)}
.crumb i{margin:0 8px;font-style:normal;color:var(--brass2)}
.crumb span{color:#c9bda6}
.ihead{display:grid;grid-template-columns:1fr 312px;gap:58px;align-items:center}
.itxt .kicker{margin-bottom:16px}
.itxt h1{margin:0 0 20px;font-family:var(--serif);font-weight:400;font-size:clamp(40px,5.4vw,64px);line-height:1.12;letter-spacing:.01em;color:#f6eedd}
.itxt h1 i{font-style:normal;margin-right:.22em;font-size:1.08em;color:var(--brass2)}
.core{margin:0 0 22px;max-width:30em;color:#bdb19b;font-size:16px;line-height:1.95}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:20px}
.chips span{padding:4px 11px;border:1px solid rgba(216,178,116,.28);border-radius:999px;font-size:11.5px;letter-spacing:.08em;color:#d6cab2;background:rgba(255,255,255,.03)}
.imet{margin:0;font-size:10.5px;letter-spacing:.14em;color:#8c8069}
.iplate{position:relative;padding:30px 20px 26px;text-align:center;background:#1b1811;border:1px solid rgba(216,178,116,.42);box-shadow:0 30px 50px -34px rgba(0,0,0,.9)}
.iplate::before{content:"";position:absolute;inset:8px;border:1px solid rgba(216,178,116,.16);pointer-events:none}
.iplate::after{content:"";position:absolute;left:50%;top:50%;width:72%;height:72%;margin:-36% 0 0 -36%;border:1px dashed rgba(216,178,116,.28);border-radius:50%;pointer-events:none}
.iplate .pglyph{position:relative;display:block;font-family:var(--serif);font-size:26px;letter-spacing:.1em;color:var(--brass2);opacity:.75}
.iplate b{position:relative;display:block;font-family:var(--serif);font-size:118px;line-height:1.05;font-weight:400;color:var(--brass2);letter-spacing:-.03em;text-shadow:0 2px 22px rgba(216,178,116,.2)}
.iplate small{position:relative;display:block;font-size:9px;letter-spacing:.38em;color:#9a8d76;margin-top:2px}
.iplate em{position:relative;display:inline-block;margin-top:12px;padding:2px 9px;font-style:normal;font-size:10px;letter-spacing:.16em;color:var(--brass2);border:1px solid rgba(216,178,116,.32)}
.iplate.master{background:linear-gradient(165deg,rgba(216,178,116,.18),rgba(27,24,17,.2) 60%),#1b1811;border-color:rgba(216,178,116,.62)}
.iplate.master::after{border-color:rgba(216,178,116,.42)}

/* 优势 / 盲点 */
.twocol{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.col{padding:26px 28px 18px;background:var(--paper);border:1px solid var(--line)}
.col h3{margin:0 0 14px;font-family:var(--serif);font-size:21px;font-weight:400;letter-spacing:.08em;display:flex;align-items:center;gap:9px}
.col h3::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--teal)}
.col.bad h3::before{background:var(--red)}
.col ul{list-style:none;margin:0;padding:0}
.col li{padding:11px 0;border-top:1px solid var(--line);font-size:13.8px;line-height:1.85;color:var(--ink2);display:flex;gap:10px}
.col li::before{content:"—";flex:0 0 auto;color:var(--brass2);font-family:var(--serif)}

/* 关系 / 工作 / 金钱 */
.trio{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.t{padding:26px 26px 22px;background:var(--paper);border:1px solid var(--line);position:relative}
.t::before{content:"";position:absolute;left:0;top:0;width:2px;height:34px;background:var(--brass2)}
.t h3{margin:0 0 10px;font-family:var(--serif);font-size:19px;font-weight:400;letter-spacing:.14em;color:var(--brass)}
.t p{margin:0;font-size:13.8px;line-height:1.95;color:var(--ink2)}

/* 关系环 */
.compat-wrap{display:grid;grid-template-columns:360px 1fr;gap:54px;align-items:start}
.cring-box{width:360px;margin:2px auto 0}
.cring{--r:154px;--dot:44px;position:relative;width:360px;height:360px;margin:0 auto}
.cring::before{content:"";position:absolute;left:50%;top:50%;width:262px;height:262px;margin:-131px 0 0 -131px;border:1px dashed var(--line2);border-radius:50%}
.cring::after{content:"";position:absolute;inset:22px;border:1px solid var(--line);border-radius:50%;opacity:.6}
.cring .cnode{position:absolute;z-index:1;left:50%;top:50%;width:var(--dot);height:var(--dot);margin:calc(var(--dot) / -2) 0 0 calc(var(--dot) / -2);display:flex;align-items:center;justify-content:center;border:1px solid var(--line2);border-radius:50%;background:var(--paper);font-family:var(--serif);font-size:14px;color:var(--ink2);transform:rotate(calc(var(--a) * 30deg)) translateY(calc(var(--r) * -1)) rotate(calc(var(--a) * -30deg));transition:background .25s,color .25s,border-color .25s,opacity .25s}
.cring .cnode:hover{background:var(--c,var(--brass));color:var(--paper);border-color:transparent}
.cring .cnode.fit{background:var(--c,var(--brass));color:#fff;border-color:transparent;font-weight:600}
.cring .ccen{position:absolute;z-index:2;left:50%;top:50%;width:112px;height:112px;margin:-56px 0 0 -56px;border-radius:50%;display:flex;flex-direction:column;align-items:center;justify-content:center;background:var(--c,var(--brass));color:#fff;box-shadow:0 0 0 9px rgba(165,111,54,.10)}
.cring .ccen b{font-family:var(--serif);font-size:48px;line-height:1;font-weight:400}
.cring .ccen small{font-size:8.5px;letter-spacing:.26em;opacity:.85;margin-top:3px}
.cring-box .legend{margin-top:14px;font-size:11.5px;letter-spacing:.05em;color:var(--ink3);text-align:center}
.legend i{display:inline-block;width:8px;height:8px;margin-right:6px;border-radius:50%;background:var(--brass);vertical-align:1px}
.compat{padding-top:2px}
.crow{display:grid;grid-template-columns:52px 1fr;gap:16px;align-items:start;padding:15px 0;border-bottom:1px solid var(--line)}
.crow:first-child{border-top:1px solid var(--line)}
.crow .cn{width:40px;height:40px;display:flex;align-items:center;justify-content:center;border:1px solid var(--line2);border-radius:50%;font-family:var(--serif);font-size:16px;color:var(--c,var(--brass));background:rgba(255,253,248,.8)}
.crow p{margin:6px 0 0;font-size:13.8px;line-height:1.9;color:var(--ink2)}
.ctip{margin-top:22px;padding-top:16px;border-top:1px dashed var(--line2)}
.ctip b{display:block;margin-bottom:5px;font-size:10.5px;letter-spacing:.2em;color:var(--brass)}
.ctip p{margin:0;max-width:34em;font-size:12.8px;line-height:1.85;color:var(--ink3)}

/* 批注 / 回到计算器 / 上下篇 */
.quote{position:relative;overflow:hidden;margin-top:34px;padding:24px 28px;background:#17150f;border-left:2px solid var(--brass2);color:#efe6d4}
.quote b{display:block;margin-bottom:6px;font-size:10.5px;letter-spacing:.22em;color:var(--brass2)}
.quote p{position:relative;z-index:1;margin:0;max-width:84%;font-family:var(--serif);font-size:17px;line-height:1.9;color:#efe6d4}
.quote .qw{position:absolute;right:18px;top:50%;transform:translateY(-50%);font-family:var(--serif);font-size:132px;line-height:.8;letter-spacing:-.04em;color:transparent;-webkit-text-stroke:1px rgba(216,178,116,.26);user-select:none;pointer-events:none}
.backcalc{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-top:32px;padding-top:20px;border-top:1px solid var(--line)}
.backcalc p{margin:0;font-size:13px;color:var(--ink2)}
.backcalc a{font-size:12px;letter-spacing:.14em;color:var(--brass);border-bottom:1px solid rgba(165,111,54,.4);padding-bottom:2px;white-space:nowrap}
.backcalc a:hover{color:var(--teal);border-bottom-color:var(--teal)}
.pn{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:28px}
.pn a{display:flex;align-items:center;gap:16px;padding:16px 20px;border:1px solid var(--line);background:rgba(255,253,248,.65);transition:border-color .25s,background .25s}
.pn a:hover{border-color:var(--brass2);background:var(--paper)}
.pn a.r{flex-direction:row-reverse;text-align:right}
.pn em{flex:0 0 auto;font-family:var(--serif);font-style:normal;font-size:36px;line-height:1;letter-spacing:-.03em;color:var(--brass2);opacity:.65}
.pn .pt{display:flex;flex-direction:column;gap:3px;min-width:0}
.pn small{font-size:9.5px;letter-spacing:.22em;color:var(--ink3)}
.pn b{font-size:14.5px;font-weight:600;letter-spacing:.04em;color:var(--ink)}

/* ---------- 窄屏 ---------- */
@media (max-width:980px){
  .hero-grid{grid-template-columns:1fr;gap:48px}
  .hero{padding:56px 0 48px}
  .dial{--r:152px;max-width:380px}
  .ihead{grid-template-columns:1fr;gap:34px}
  .iplate{max-width:280px;margin:0 auto}
  .compat-wrap{grid-template-columns:1fr;gap:34px}
  .ngrid{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:1fr;gap:22px}
  .trio{grid-template-columns:1fr}
  .foot .wrap{flex-direction:column;gap:20px}
  .fmeta{text-align:left}
}
@media (max-width:640px){
  .wrap{padding:0 20px}
  .tnav{gap:16px;font-size:12px}
  .tnav a:nth-child(2),.tnav a:nth-child(3){display:none}
  .hero h1{font-size:33px}
  .lead{font-size:14px}
  .calc{padding:20px 18px}
  .cfield{flex-wrap:wrap;gap:10px}
  .cfield input[type="date"]{flex:1 1 100%;font-size:21px}
  .cbtn{width:100%}
  .cyear{gap:10px}
  .cylabel{padding-right:9px}
  .dial{--r:118px;--dot:36px;max-width:300px}
  .dial .num{font-size:76px}
  .sec{padding:48px 0}
  .sec-no{font-size:24px}
  .sec-head{flex-wrap:wrap;gap:8px 14px}
  .sec-head h2{font-size:24px}
  .sec-head p{margin-left:0;flex-basis:100%}
  .ngrid{grid-template-columns:1fr}
  .ncard{grid-template-columns:62px 1fr;column-gap:14px;min-height:176px;padding:16px 16px 14px}
  .ncard .nbig{font-size:52px}
  .ncard.master .nbig{font-size:42px}
  .example{flex-direction:column;gap:6px}
  .twocol{grid-template-columns:1fr}
  .cring-box{width:260px}
  .cring{--r:108px;--dot:36px;width:260px;height:260px}
  .cring::before{width:184px;height:184px;margin:-92px 0 0 -92px}
  .cring::after{inset:18px}
  .cring .ccen{width:86px;height:86px;margin:-43px 0 0 -43px}
  .cring .ccen b{font-size:36px}
  .pn{grid-template-columns:1fr}
  .pn a.r{flex-direction:row;text-align:left}
  .backcalc{flex-direction:column;align-items:flex-start;gap:10px}
  .iplate b{font-size:88px}
}
/* ===== 继续看：详情页底部的横向内链，保证任何一页都还能继续走下去 ===== */
.xref{max-width:1160px;margin:2.6rem auto 0;padding:1.5rem 30px 0;border-top:1px solid var(--line)}
.xref .xt{margin:0 0 .8rem;font-family:var(--serif);font-size:.82rem;letter-spacing:.34rem;text-transform:uppercase;color:var(--brass)}
.xref ul{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));margin:0;padding:0;list-style:none;background:var(--paper);border:1px solid var(--line)}
.xref li{display:flex;min-width:0;align-items:baseline;justify-content:space-between;gap:.8rem;padding:.75rem .9rem;background:var(--paper);border-bottom:1px solid var(--line);}
.xref li a{min-width:0;overflow:hidden;white-space:nowrap;text-overflow:ellipsis;font-size:.95rem;color:var(--ink);border-bottom:1px solid transparent;transition:color .2s,border-color .2s}
.xref li a:hover{color:var(--teal);border-bottom-color:var(--teal)}
.xref li span{flex:none;max-width:46%;overflow:hidden;white-space:nowrap;text-overflow:ellipsis;font-size:.78rem;color:var(--ink3)}
.xref .xb{display:flex;gap:1.4rem;margin:1rem 0 0;font-size:.86rem}
.xref .xb a{color:var(--teal)}
@media (max-width:760px){.xref ul{grid-template-columns:1fr}.xref{padding-left:18px;padding-right:18px}}
.ring .dot.soon{opacity:.26;cursor:default}
.ring .dot:not(.soon){border-color:rgba(216,178,116,.62);color:#f2e4c8}
.ncard[data-live="0"]{cursor:default;opacity:.66}
.ncard[data-live="0"]:hover{transform:none;border-color:var(--line);box-shadow:none}
.ncard[data-live="0"]:hover::after{width:32%;opacity:.55}
.ncard[data-live="0"]:hover::before{border-color:transparent}
.ncard[data-live="0"] .narr{color:var(--ink3)}