/* ============================================================
   金融学院 Jinrong Xueyuan · 海外开卡手账  —  设计系统
   水彩手账风 · 暖纸底 + 松绿 + 黄铜 + 印泥红
   ============================================================ */

:root{
  --paper:#f4eddd; --paper-hi:#fbf6ea; --paper-lo:#efe6d0; --card:#fffdf7;
  --ink:#27221c; --ink-soft:#5f584c; --ink-faint:#8c8475;
  --line:#d8cbac; --line-soft:#e6dcc4;
  --pine:#3d6b60; --pine-d:#2c5249; --pine-l:#5d958b;
  --brass:#bd9a4d; --brass-d:#977730; --brass-l:#dcc079;
  --ochre:#cf9a4d; --rose:#c07a5f; --slate:#5f789c; --plum:#8a7196; --sage:#88a068;
  --seal:#a73e26; --seal-d:#8c3019;
  --maxw:1220px;
  --rad:7px; --rad-lg:12px; --rad-pill:30px;
  --ff-sans:"Hanken Grotesk","Noto Sans SC",system-ui,-apple-system,sans-serif;
  --ff-serif:"Noto Serif SC","Fraunces",Georgia,serif;
  --ff-disp:"Fraunces","Noto Serif SC",Georgia,serif;
  --shadow-card:6px 10px 26px -16px rgba(39,34,28,.5);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;overflow-x:hidden}
html,body{background:var(--paper)}
body{font-family:var(--ff-sans);color:var(--ink);line-height:1.7;-webkit-font-smoothing:antialiased;position:relative;min-height:100vh;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:var(--pine);text-decoration:none}
a:hover{color:var(--ink)}
::selection{background:rgba(189,154,77,.32)}

/* ---------- 全局氛围层 ---------- */
.atmo{position:fixed;inset:0;z-index:0;pointer-events:none;
  background:
    radial-gradient(620px 520px at 82% 12%, rgba(231,193,131,.5), rgba(231,193,131,0) 62%),
    radial-gradient(900px 700px at 88% 0%, rgba(213,160,120,.16), rgba(213,160,120,0) 60%),
    linear-gradient(180deg,#f7f1e3 0%,var(--paper) 44%,var(--paper-lo) 100%);}
.grain{position:fixed;inset:0;z-index:60;pointer-events:none;opacity:.045;mix-blend-mode:multiply}
.corner{position:fixed;width:26px;height:26px;z-index:55;pointer-events:none;opacity:.5}
.corner::before,.corner::after{content:"";position:absolute;background:var(--brass-d)}
.corner::before{width:26px;height:1px;top:0;left:0}
.corner::after{width:1px;height:26px;top:0;left:0}
.c-tl{top:22px;left:22px}
.c-tr{top:22px;right:22px;transform:scaleX(-1)}
.c-bl{bottom:22px;left:22px;transform:scaleY(-1)}
.c-br{bottom:22px;right:22px;transform:scale(-1)}

.shell{position:relative;z-index:3}
.container{max-width:var(--maxw);margin:0 auto;padding:0 52px}

/* ---------- 顶部导航 ---------- */
.site-head{position:relative;z-index:20}
nav.bar{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:24px;padding:22px 0 14px}
.brand{display:flex;align-items:center;gap:13px;justify-self:start}
.brand a{display:flex;align-items:center;gap:13px;color:inherit}
.seal{width:44px;height:44px;flex:none}
.brand b{font-family:var(--ff-serif);font-weight:700;font-size:23px;letter-spacing:3px;color:var(--ink);line-height:1}
.brand small{display:block;font-family:var(--ff-disp);font-style:italic;font-size:11px;letter-spacing:1.5px;color:var(--brass-d);margin-top:4px;font-weight:400}
.menu{display:flex;align-items:center;gap:34px;justify-self:center}
.menu a{font-size:15px;color:var(--ink);font-weight:500;position:relative;padding-bottom:3px}
.menu a::after{content:"";position:absolute;left:0;right:100%;bottom:0;height:1.5px;background:var(--brass);transition:right .25s}
.menu a:hover{color:var(--pine)}
.menu a:hover::after,.menu a.active::after{right:0}
.navwrap{justify-self:end;display:flex;align-items:center;gap:18px}
.est{font-family:var(--ff-disp);font-style:italic;font-size:12px;color:var(--ink-soft);white-space:nowrap}
.navcta{font-size:14px;font-weight:600;color:var(--card);background:var(--pine);padding:10px 20px;border-radius:var(--rad-pill);white-space:nowrap;box-shadow:0 6px 16px -10px rgba(61,107,96,.9);transition:background .2s,transform .2s}
.navcta:hover{background:var(--ink);color:var(--card);transform:translateY(-1px)}
.burger{display:none;background:none;border:1px solid var(--line);border-radius:9px;width:44px;height:44px;cursor:pointer;align-items:center;justify-content:center;color:var(--ink)}
.burger svg{width:22px;height:22px}
/* 语种切换器 */
.langsw{position:relative}
.langbtn{display:flex;align-items:center;gap:6px;background:none;border:1px solid var(--line);border-radius:var(--rad-pill);padding:7px 13px;font-family:var(--ff-sans);font-size:13px;font-weight:500;color:var(--ink);cursor:pointer;transition:border-color .2s}
.langbtn:hover{border-color:var(--pine-l)}
.langbtn span{max-width:96px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.langmenu{position:absolute;top:calc(100% + 8px);right:0;min-width:172px;background:var(--card);border:1px solid var(--line);border-radius:var(--rad-lg);box-shadow:var(--shadow-card);padding:6px;opacity:0;visibility:hidden;transform:translateY(-6px);transition:.18s;z-index:40}
.langsw.open .langmenu{opacity:1;visibility:visible;transform:none}
.langmenu a{display:block;padding:9px 13px;border-radius:var(--rad);font-size:14px;color:var(--ink-soft);font-weight:500}
.langmenu a:hover{background:var(--paper);color:var(--pine)}
.langmenu a.on{color:var(--pine);font-weight:600}
@media(max-width:820px){.langbtn span{display:none}.langbtn{padding:9px}}
.rule{position:relative;height:1px;background:linear-gradient(90deg,transparent,var(--line) 8%,var(--line) 92%,transparent)}
.rule::after{content:"";position:absolute;left:50%;top:50%;width:6px;height:6px;background:var(--brass-d);transform:translate(-50%,-50%) rotate(45deg)}

/* ---------- 水彩城市组件 ---------- */
.city{position:absolute;top:0;right:0;width:55%;height:100%;z-index:1;pointer-events:none}
.city svg{width:100%;height:100%;display:block}

/* ---------- Hero ---------- */
.hero{position:relative;z-index:4;padding:34px 0 64px;max-width:650px}
.eyebrow{font-family:var(--ff-disp);font-style:italic;font-size:18px;color:var(--brass-d);margin-bottom:20px;display:flex;align-items:center;gap:12px}
.eyebrow::before{content:"";width:32px;height:2px;background:var(--brass);border-radius:2px}
.hero h1{font-family:var(--ff-serif);font-weight:900;color:var(--ink);font-size:clamp(38px,5.4vw,64px);line-height:1.15;letter-spacing:.02em;margin-bottom:4px}
.hero h1 .mark{position:relative;color:var(--pine);white-space:nowrap}
.hero h1 .mark svg{position:absolute;left:-3%;bottom:-13px;width:106%;height:18px}
.hero .lede{font-size:clamp(15px,1.4vw,18px);line-height:1.8;color:var(--ink-soft);max-width:528px;margin:28px 0 34px}
.hero .lede b{color:var(--ink);font-weight:600}

/* ---------- 转化卡(铁律 §9) ---------- */
.conv{position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--rad);padding:24px 26px;display:flex;align-items:center;gap:22px;flex-wrap:wrap;max-width:592px;
  box-shadow:0 1px 0 rgba(255,255,255,.7) inset, var(--shadow-card)}
.tape{position:absolute;top:-12px;left:38px;width:104px;height:26px;background:rgba(93,149,139,.42);transform:rotate(-2.6deg);border-left:1px dashed rgba(61,107,96,.4);border-right:1px dashed rgba(61,107,96,.4)}
.codebox{flex:1;min-width:200px}
.codebox .lab{font-size:12px;letter-spacing:1.5px;text-transform:uppercase;color:var(--ink-soft);font-weight:600;margin-bottom:7px;display:flex;align-items:center;gap:7px}
.codebox .lab::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--seal)}
.coderow{display:flex;align-items:center;gap:11px}
.code{font-family:var(--ff-disp);font-weight:600;font-size:32px;letter-spacing:2px;color:var(--ink)}
.copy{border:1px solid var(--line);background:var(--paper);border-radius:6px;padding:7px 14px;min-height:44px;font-size:13px;font-weight:600;color:var(--pine);cursor:pointer;transition:border-color .2s,color .2s}
.copy:hover{border-color:var(--pine-l);color:var(--ink)}
.btn-reg{background:var(--seal);color:#fff;font-weight:700;font-size:16px;padding:16px 26px;border-radius:var(--rad);display:inline-flex;align-items:center;gap:10px;white-space:nowrap;box-shadow:0 10px 22px -12px rgba(167,62,38,.85);transition:background .2s,transform .2s,box-shadow .2s}
.btn-reg:hover{background:var(--seal-d);color:#fff;transform:translateY(-2px);box-shadow:0 16px 28px -12px rgba(167,62,38,.85)}
.btn-reg .ar{font-size:18px}
.benefit{margin-top:16px;font-size:14.5px;color:var(--ink);font-weight:500;max-width:592px}
.benefit .pct{color:var(--seal);font-weight:700}
.foot-note{margin-top:6px;font-size:11.5px;color:var(--ink-soft);line-height:1.5;max-width:592px}

/* ---------- 指南胶囊 ---------- */
.guides{display:flex;gap:12px;margin-top:30px;flex-wrap:wrap}
.gcard{display:flex;align-items:center;gap:9px;background:rgba(255,253,247,.6);border:1px solid var(--line);border-radius:var(--rad-pill);padding:9px 17px;font-size:14px;font-weight:600;color:var(--ink);transition:border-color .2s,background .2s}
.gcard:hover{border-color:var(--pine-l);background:var(--card);color:var(--ink)}
.gcard .dot{width:9px;height:9px;border-radius:50%;flex:none}

/* ---------- 区块通用 ---------- */
section.block{position:relative;z-index:4;padding:64px 0}
.sec-head{max-width:680px;margin-bottom:40px}
.sec-eyebrow{font-family:var(--ff-disp);font-style:italic;font-size:16px;color:var(--brass-d);margin-bottom:10px;display:flex;align-items:center;gap:10px}
.sec-eyebrow::before{content:"";width:26px;height:2px;background:var(--brass);border-radius:2px}
.sec-head h2,.sec-head h1{font-family:var(--ff-serif);font-weight:700;font-size:clamp(26px,3.4vw,38px);line-height:1.25;color:var(--ink);letter-spacing:.01em;margin:0}
.sec-head p{margin-top:14px;font-size:16px;color:var(--ink-soft);line-height:1.75}
.divider{height:1px;background:linear-gradient(90deg,transparent,var(--line),transparent);max-width:var(--maxw);margin:0 auto}

/* 三步走通 */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.step{position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--rad-lg);padding:26px 24px}
.step .num{font-family:var(--ff-disp);font-style:italic;font-size:15px;color:var(--brass-d);margin-bottom:12px}
.step h3{font-family:var(--ff-serif);font-weight:600;font-size:19px;color:var(--ink);margin-bottom:8px}
.step p{font-size:14.5px;color:var(--ink-soft);line-height:1.7}
.step .ic{width:38px;height:38px;border-radius:10px;display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.step .ic svg{width:21px;height:21px}
.step-arrow{position:absolute;right:-17px;top:50%;transform:translateY(-50%);color:var(--brass);font-size:20px;z-index:2}
.step:last-child .step-arrow{display:none}

/* 开卡指南卡 */
.cardgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.gd{background:var(--card);border:1px solid var(--line);border-radius:var(--rad-lg);overflow:hidden;display:flex;flex-direction:column;transition:transform .2s,box-shadow .2s,border-color .2s}
.gd:hover{transform:translateY(-4px);box-shadow:var(--shadow-card);border-color:var(--pine-l)}
.gd .cap{height:140px;position:relative;overflow:hidden}
.gd .cap svg{width:100%;height:100%}
.gd .body{padding:20px 22px 24px;display:flex;flex-direction:column;flex:1}
.gd .kicker{font-size:12px;letter-spacing:1.5px;text-transform:uppercase;color:var(--brass-d);font-weight:600;margin-bottom:8px}
.gd h3{font-family:var(--ff-serif);font-weight:600;font-size:20px;color:var(--ink);margin-bottom:8px;line-height:1.35}
.gd p{font-size:14px;color:var(--ink-soft);line-height:1.7;flex:1}
.gd .more{margin-top:16px;color:var(--pine);font-weight:600;font-size:14.5px;display:inline-flex;align-items:center;gap:6px}
.gd:hover .more{color:var(--seal)}

/* 主题簇 */
.topics{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.topic{background:rgba(255,253,247,.55);border:1px solid var(--line);border-radius:var(--rad-lg);padding:22px 20px;transition:border-color .2s,background .2s}
.topic:hover{border-color:var(--pine-l);background:var(--card)}
.topic .ic{width:36px;height:36px;border-radius:9px;display:flex;align-items:center;justify-content:center;margin-bottom:14px;color:#fff}
.topic .ic svg{width:20px;height:20px}
.topic h3{font-family:var(--ff-serif);font-weight:600;font-size:17px;color:var(--ink);margin-bottom:6px}
.topic p{font-size:13.5px;color:var(--ink-soft);line-height:1.65}

/* 工具卡 */
.tools{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.toolcard{background:var(--card);border:1px solid var(--line);border-radius:var(--rad-lg);padding:28px;display:flex;gap:20px;align-items:flex-start;transition:transform .2s,box-shadow .2s,border-color .2s}
.toolcard:hover{transform:translateY(-3px);box-shadow:var(--shadow-card);border-color:var(--brass)}
.toolcard .ic{width:52px;height:52px;border-radius:12px;flex:none;display:flex;align-items:center;justify-content:center;background:rgba(61,107,96,.1);color:var(--pine)}
.toolcard .ic svg{width:26px;height:26px}
.toolcard h3{font-family:var(--ff-serif);font-weight:600;font-size:20px;color:var(--ink);margin-bottom:7px}
.toolcard p{font-size:14px;color:var(--ink-soft);line-height:1.7}
.toolcard .more{margin-top:14px;color:var(--pine);font-weight:600;font-size:14.5px;display:inline-flex;gap:6px}

/* 全目录宽枢纽 */
.hub{display:grid;grid-template-columns:repeat(4,1fr);gap:30px}
.hubcol h4{font-family:var(--ff-serif);font-size:16px;color:var(--ink);margin-bottom:14px;padding-bottom:9px;border-bottom:1px solid var(--line)}
.hubcol a{display:block;font-size:14px;color:var(--ink-soft);margin-bottom:11px;line-height:1.5}
.hubcol a:hover{color:var(--pine)}
@media(max-width:820px){.hub{grid-template-columns:1fr 1fr;gap:22px}}
@media(max-width:560px){.hub{grid-template-columns:1fr}}

/* 文章卡 */
.artgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.art{background:var(--card);border:1px solid var(--line);border-radius:var(--rad-lg);overflow:hidden;display:flex;flex-direction:column;transition:transform .2s,box-shadow .2s,border-color .2s}
.art:hover{transform:translateY(-4px);box-shadow:var(--shadow-card);border-color:var(--pine-l)}
.art .cap{height:158px;overflow:hidden;background:var(--paper-lo)}
.art .cap img,.art .cap svg{width:100%;height:100%;object-fit:cover}
.art .body{padding:18px 20px 22px;display:flex;flex-direction:column;flex:1}
.art .meta{font-size:12px;color:var(--ink-faint);margin-bottom:9px;display:flex;gap:10px;align-items:center}
.art .tag{color:var(--brass-d);font-weight:600;letter-spacing:.5px}
.art h3{font-family:var(--ff-serif);font-weight:600;font-size:18px;line-height:1.4;color:var(--ink);margin-bottom:8px}
.art:hover h3{color:var(--pine)}
.art p{font-size:13.5px;color:var(--ink-soft);line-height:1.65;flex:1}

/* 信任条 */
.trust{background:var(--card);border:1px solid var(--line);border-radius:var(--rad-lg);padding:38px 40px;display:grid;grid-template-columns:1.3fr 1fr;gap:40px;align-items:center}
.trust h2{font-family:var(--ff-serif);font-weight:700;font-size:26px;color:var(--ink);margin-bottom:14px;line-height:1.35}
.trust p{font-size:15px;color:var(--ink-soft);line-height:1.8;margin-bottom:10px}
.trust .pts{display:flex;flex-direction:column;gap:14px}
.trust .pt{display:flex;gap:12px;align-items:flex-start}
.trust .pt .ic{width:34px;height:34px;border-radius:9px;flex:none;display:flex;align-items:center;justify-content:center;background:rgba(189,154,77,.15);color:var(--brass-d)}
.trust .pt .ic svg{width:18px;height:18px}
.trust .pt b{display:block;font-size:14.5px;color:var(--ink);font-weight:600}
.trust .pt span{font-size:13px;color:var(--ink-soft)}

/* 终页 CTA 带 */
.cta-band{position:relative;z-index:4;margin:20px auto 0;max-width:var(--maxw);background:var(--pine);border-radius:var(--rad-lg);padding:48px 52px;color:#f3efe4;overflow:hidden}
.cta-band::before{content:"";position:absolute;inset:0;background:radial-gradient(420px 320px at 88% -10%,rgba(220,192,121,.28),transparent 60%);pointer-events:none}
.cta-band .inner{position:relative;display:grid;grid-template-columns:1.2fr auto;gap:30px;align-items:center}
.cta-band h2{font-family:var(--ff-serif);font-weight:700;font-size:clamp(24px,3vw,32px);line-height:1.3;color:#fbf6ea}
.cta-band p{margin-top:10px;font-size:15px;color:#cfe0da;max-width:520px}
.cta-band .box{background:rgba(251,246,234,.08);border:1px solid rgba(251,246,234,.22);border-radius:var(--rad);padding:20px 22px;text-align:center}
.cta-band .box .lab{font-size:12px;letter-spacing:1.5px;text-transform:uppercase;color:#cfe0da;margin-bottom:6px}
.cta-band .box .code{color:#fbf6ea;font-size:30px;display:block;margin-bottom:14px}
.cta-band .box .btn-reg{width:100%;justify-content:center}

/* ---------- 页脚 ---------- */
footer.site-foot{position:relative;z-index:4;margin-top:30px;border-top:1px solid var(--line);background:rgba(239,230,208,.5)}
.foot-grid{max-width:var(--maxw);margin:0 auto;padding:48px 52px 28px;display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px}
.foot-brand .seal{width:40px;height:40px;margin-bottom:12px}
.foot-brand b{font-family:var(--ff-serif);font-weight:700;font-size:20px;letter-spacing:2px;color:var(--ink);display:block;margin-bottom:8px}
.foot-brand p{font-size:13px;color:var(--ink-soft);line-height:1.7;max-width:280px}
.foot-col h4{font-size:12px;letter-spacing:1.5px;text-transform:uppercase;color:var(--brass-d);font-weight:700;margin-bottom:14px}
.foot-col a{display:block;font-size:14px;color:var(--ink-soft);margin-bottom:10px}
.foot-col a:hover{color:var(--pine)}
.foot-cta .code{font-family:var(--ff-disp);font-weight:600;font-size:24px;color:var(--ink);letter-spacing:1px}
.foot-cta .mini{font-size:12.5px;color:var(--ink-soft);margin:6px 0 14px;line-height:1.6}
.foot-bot{max-width:var(--maxw);margin:0 auto;padding:18px 52px 30px;border-top:1px solid var(--line-soft);display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;font-size:12.5px;color:var(--ink-faint)}
.foot-bot a{color:var(--ink-faint)}
.foot-bot a:hover{color:var(--pine)}
.disclosure{font-size:12px;color:var(--ink-faint);line-height:1.7;max-width:760px;margin:0 auto;padding:0 52px 36px;text-align:center}

/* ---------- 面包屑 ---------- */
.crumb{position:relative;z-index:4;font-size:13px;color:var(--ink-faint);padding:24px 0 0;display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.crumb a{color:var(--ink-soft)}
.crumb a:hover{color:var(--pine)}
.crumb .sep{color:var(--line)}

/* ---------- 文章正文 ---------- */
.article{position:relative;z-index:4;max-width:760px;margin:0 auto;padding:8px 0 40px}
.article .kicker{font-family:var(--ff-disp);font-style:italic;color:var(--brass-d);font-size:16px;margin-bottom:14px}
.article h1{font-family:var(--ff-serif);font-weight:900;font-size:clamp(30px,4.4vw,46px);line-height:1.2;color:var(--ink);letter-spacing:.01em;margin-bottom:18px}
.article .byline{display:flex;align-items:center;gap:14px;flex-wrap:wrap;font-size:13.5px;color:var(--ink-soft);padding-bottom:22px;margin-bottom:8px;border-bottom:1px solid var(--line)}
.article .byline .who{display:flex;align-items:center;gap:9px}
.article .byline .av{width:34px;height:34px;border-radius:50%;background:rgba(61,107,96,.14);color:var(--pine);display:flex;align-items:center;justify-content:center;font-family:var(--ff-serif);font-weight:700;font-size:15px}
.article .cover{margin:24px 0 30px;border-radius:var(--rad-lg);overflow:hidden;border:1px solid var(--line)}
.toc{background:rgba(255,253,247,.7);border:1px solid var(--line);border-left:3px solid var(--brass);border-radius:var(--rad);padding:18px 22px;margin:26px 0}
.toc b{font-family:var(--ff-serif);font-size:15px;color:var(--ink);display:block;margin-bottom:10px}
.toc ol{list-style:none;counter-reset:t;display:grid;gap:7px}
.toc li{counter-increment:t;font-size:14px}
.toc li::before{content:counter(t,decimal-leading-zero);color:var(--brass-d);font-family:var(--ff-disp);font-weight:600;margin-right:9px}
.toc a{color:var(--ink-soft)}
.toc a:hover{color:var(--pine)}

.prose{font-size:16.5px;line-height:1.85;color:#332e26}
.prose h2{font-family:var(--ff-serif);font-weight:700;font-size:27px;color:var(--ink);margin:42px 0 14px;line-height:1.3;scroll-margin-top:90px}
.prose h2 .hn{font-family:var(--ff-disp);font-style:italic;color:var(--brass-d);font-size:18px;margin-right:10px}
.prose h3{font-family:var(--ff-serif);font-weight:600;font-size:20px;color:var(--ink);margin:28px 0 10px}
.prose p{margin:0 0 18px}
.prose a{color:var(--pine);border-bottom:1px solid rgba(61,107,96,.3)}
.prose a:hover{color:var(--seal);border-color:var(--seal)}
.prose ul,.prose ol{margin:0 0 18px 0;padding-left:22px}
.prose li{margin-bottom:9px}
.prose strong{color:var(--ink);font-weight:600}
.prose blockquote{margin:24px 0;padding:14px 22px;border-left:3px solid var(--pine-l);background:rgba(93,149,139,.08);border-radius:0 var(--rad) var(--rad) 0;color:var(--ink-soft);font-style:italic}
.prose img,.prose figure{margin:26px 0;border-radius:var(--rad-lg);overflow:hidden}
.prose figcaption{font-size:13px;color:var(--ink-faint);margin-top:8px;text-align:center;font-style:italic}
.prose table{width:100%;border-collapse:collapse;margin:24px 0;font-size:14.5px}
.prose th,.prose td{border:1px solid var(--line);padding:11px 14px;text-align:left}
.prose th{background:rgba(189,154,77,.12);font-weight:600;color:var(--ink)}
.prose tr:nth-child(even) td{background:rgba(255,253,247,.6)}

/* 手账批注框 */
.note{margin:26px 0;background:rgba(255,253,247,.75);border:1px solid var(--line);border-radius:var(--rad);padding:18px 22px;position:relative}
.note::before{content:"";position:absolute;top:-11px;left:26px;width:84px;height:22px;background:rgba(189,154,77,.4);transform:rotate(-2deg)}
.note b{font-family:var(--ff-serif);color:var(--pine-d);font-size:15px;display:block;margin-bottom:6px}
.note p{font-size:14.5px;color:var(--ink-soft);margin:0;line-height:1.75}
.warn{background:rgba(167,62,38,.06);border-color:rgba(167,62,38,.3)}
.warn::before{background:rgba(167,62,38,.35)}
.warn b{color:var(--seal)}

/* 文内转化条 */
.cta-inline{margin:34px 0;background:var(--card);border:1px solid var(--line);border-radius:var(--rad-lg);padding:22px 24px;display:flex;align-items:center;gap:18px;flex-wrap:wrap;box-shadow:var(--shadow-card)}
.cta-inline .t{flex:1;min-width:200px}
.cta-inline .t b{font-family:var(--ff-serif);font-size:16px;color:var(--ink);display:block;margin-bottom:4px}
.cta-inline .t span{font-size:13px;color:var(--ink-soft)}
.cta-inline .codemini{font-family:var(--ff-disp);font-weight:600;font-size:18px;color:var(--seal);letter-spacing:1px}

/* 文末 */
.art-end{max-width:760px;margin:36px auto 0;padding-top:24px;border-top:1px solid var(--line)}
.sources{margin:30px 0 0}
.sources b{font-size:13px;letter-spacing:1px;text-transform:uppercase;color:var(--brass-d);display:block;margin-bottom:10px}
.sources ul{list-style:none;padding:0;display:grid;gap:7px}
.sources li{font-size:13.5px;color:var(--ink-soft)}
.related{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:30px}
.related a{background:rgba(255,253,247,.6);border:1px solid var(--line);border-radius:var(--rad);padding:16px 18px}
.related a:hover{border-color:var(--pine-l)}
.related .k{font-size:11px;letter-spacing:1px;text-transform:uppercase;color:var(--brass-d);font-weight:600}
.related .h{font-family:var(--ff-serif);font-size:16px;color:var(--ink);margin-top:5px;line-height:1.4}

/* ---------- 工具页 ---------- */
.tool-wrap{position:relative;z-index:4;max-width:760px;margin:0 auto;padding:8px 0 50px}
.tool-panel{background:var(--card);border:1px solid var(--line);border-radius:var(--rad-lg);padding:30px;box-shadow:var(--shadow-card);margin:24px 0}
.field{margin-bottom:20px}
.field label{display:block;font-size:14px;font-weight:600;color:var(--ink);margin-bottom:8px}
.field .hint{font-size:12.5px;color:var(--ink-faint);font-weight:400;margin-left:6px}
.field input,.field select{width:100%;font-family:var(--ff-sans);font-size:15px;padding:12px 14px;border:1px solid var(--line);border-radius:var(--rad);background:var(--paper-hi);color:var(--ink)}
.field input:focus,.field select:focus{outline:none;border-color:var(--pine-l);box-shadow:0 0 0 3px rgba(93,149,139,.16)}
.seg{display:flex;gap:8px;flex-wrap:wrap}
.seg button{flex:1;min-width:90px;padding:11px;border:1px solid var(--line);background:var(--paper-hi);border-radius:var(--rad);font-size:14px;font-weight:600;color:var(--ink-soft);cursor:pointer;transition:.15s}
.seg button.on{background:var(--pine);color:#fff;border-color:var(--pine)}
.result{margin-top:8px;background:rgba(61,107,96,.07);border:1px solid rgba(61,107,96,.2);border-radius:var(--rad);padding:22px 24px}
.result .big{font-family:var(--ff-disp);font-weight:600;font-size:34px;color:var(--pine-d);line-height:1.1}
.result .rrow{display:flex;justify-content:space-between;font-size:14px;padding:8px 0;border-bottom:1px dashed var(--line)}
.result .rrow:last-child{border:none}
.result .rrow span:last-child{font-weight:600;color:var(--ink)}
.tool-note{font-size:12.5px;color:var(--ink-faint);line-height:1.7;margin-top:14px}

/* ---------- 合规/普通页 ---------- */
.page{position:relative;z-index:4;max-width:760px;margin:0 auto;padding:8px 0 50px}
.page h1{font-family:var(--ff-serif);font-weight:900;font-size:clamp(28px,4vw,42px);color:var(--ink);margin-bottom:8px;line-height:1.2}
.page .lead{font-size:16px;color:var(--ink-soft);margin-bottom:8px}

/* ---------- 动效 ---------- */
@keyframes fadeUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:none}}
@keyframes bob{0%,100%{transform:translateY(0)}50%{transform:translateY(-9px)}}
@keyframes draw{to{stroke-dashoffset:0}}
@media (prefers-reduced-motion: no-preference){
  .reveal{opacity:0;animation:fadeUp .8s cubic-bezier(.2,.7,.2,1) forwards}
  .hero .eyebrow{opacity:0;animation:fadeUp .9s cubic-bezier(.2,.7,.2,1) .05s forwards}
  .hero h1{opacity:0;animation:fadeUp .9s cubic-bezier(.2,.7,.2,1) .14s forwards}
  .hero .lede{opacity:0;animation:fadeUp .9s cubic-bezier(.2,.7,.2,1) .28s forwards}
  .hero .conv{opacity:0;animation:fadeUp .9s cubic-bezier(.2,.7,.2,1) .42s forwards}
  .hero .benefit{opacity:0;animation:fadeUp .9s cubic-bezier(.2,.7,.2,1) .54s forwards}
  .hero .foot-note{opacity:0;animation:fadeUp .9s cubic-bezier(.2,.7,.2,1) .58s forwards}
  .hero .guides{opacity:0;animation:fadeUp .9s cubic-bezier(.2,.7,.2,1) .64s forwards}
  .city svg{animation:bob 9s ease-in-out infinite}
  .underline{stroke-dasharray:300;stroke-dashoffset:300;animation:draw 1.2s ease .7s forwards}
}

/* ---------- 响应式 ---------- */
@media(max-width:980px){
  .container{padding:0 30px}
  .topics{grid-template-columns:1fr 1fr}
  .foot-grid{grid-template-columns:1fr 1fr;padding:40px 30px 24px}
}
@media(max-width:820px){
  .container{padding:0 22px}
  .corner{display:none}
  .city{width:108%;opacity:.4;height:54%;top:auto;bottom:0;right:-8%}
  nav.bar{grid-template-columns:1fr auto;padding:16px 0 12px}
  .menu,.est{display:none}
  .burger{display:flex}
  .hero{padding:18px 0 40px}
  .hero h1{line-height:1.24}
  .hero h1 .mark svg{bottom:-7px;height:13px}
  .steps,.cardgrid,.artgrid{grid-template-columns:1fr;gap:16px}
  .tools{grid-template-columns:1fr}
  .step-arrow{display:none}
  .trust{grid-template-columns:1fr;padding:28px 24px;gap:24px}
  .cta-band{padding:34px 26px;margin:20px 22px 0}
  .cta-band .inner{grid-template-columns:1fr;gap:22px}
  .foot-grid{grid-template-columns:1fr;gap:28px;padding:36px 22px 22px}
  .foot-bot,.disclosure{padding-left:22px;padding-right:22px}
  .related{grid-template-columns:1fr}
  section.block{padding:48px 0}
  /* 移动端抽屉 */
  .menu.open{display:flex;position:absolute;top:64px;left:0;right:0;flex-direction:column;align-items:flex-start;gap:0;background:var(--card);border:1px solid var(--line);border-radius:var(--rad-lg);padding:8px;margin:0 22px;box-shadow:var(--shadow-card);z-index:30}
  .menu.open a{width:100%;padding:13px 14px;font-size:16px}
  .menu.open a::after{display:none}
}
@media(max-width:560px){
  .topics{grid-template-columns:1fr}
  .conv{padding:18px 18px 20px}
  .code{font-size:27px}
}