/* 如水素养 · 官网主题 v1  ——  水青 + 思源字体 + 三科统合 */
:root{
  --ink:#12343a; --ink-soft:#4d676c; --muted:#7c9296;
  --paper:#f3f8f8; --card:#ffffff; --line:#dde9ea;
  --teal:#12a7b4; --teal-deep:#0b7d88; --teal-ink:#0a5b64;
  --wash:#e6f2f3; --wash-2:#f0f7f7;
  --seal:#c0503a;
  --shadow:0 18px 50px -24px rgba(9,74,82,.35);
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC","STSong",SimSun,serif;
  --sans:"Noto Sans SC","Source Han Sans SC","PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--sans);color:var(--ink);background:var(--paper);line-height:1.7;-webkit-font-smoothing:antialiased}
.wrap{width:min(1160px,92vw);margin:0 auto}
a{color:inherit;text-decoration:none}
img{max-width:100%}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:50;background:rgba(243,248,248,.9);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.site-header .topbar{display:flex;align-items:stretch;gap:14px;height:66px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:22px;letter-spacing:1px;flex:none;align-self:center}
.brand .mark{width:34px;height:34px;border-radius:10px;background:linear-gradient(150deg,var(--teal),var(--teal-ink));position:relative;flex:none;box-shadow:0 6px 16px -6px rgba(10,91,100,.6)}
.brand .mark::after{content:"水";position:absolute;inset:0;display:grid;place-items:center;color:#fff;font-family:var(--serif);font-weight:700;font-size:19px}
.brand b{color:var(--ink);font-weight:800}
.brand b span{color:var(--teal-deep)}
.topbar .spacer{flex:1}
.topbar .btn{align-self:center}
.mainnav{display:flex;list-style:none;margin:0 0 0 6px;padding:0}
.mainnav>li{position:relative;display:flex;align-items:stretch}
.mainnav>li>a{display:flex;align-items:center;padding:0 12px;font-size:15px;color:var(--ink-soft);font-weight:600;white-space:nowrap;transition:color .2s}
.mainnav>li:hover>a,.mainnav>li>a:hover{color:var(--teal-deep)}
.mainnav .submenu{position:absolute;top:100%;left:0;min-width:170px;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);padding:8px;margin:0;list-style:none;display:none;z-index:60}
.mainnav>li:hover .submenu{display:block}
.mainnav .submenu li a{display:block;padding:8px 14px;font-size:14px;color:var(--ink-soft);border-radius:8px;white-space:nowrap;transition:background .15s,color .15s}
.mainnav .submenu li a:hover{background:var(--wash);color:var(--teal-deep)}
.btn{display:inline-flex;align-items:center;gap:8px;font-weight:700;border-radius:999px;padding:11px 22px;font-size:15px;transition:transform .15s,box-shadow .2s,background .2s;cursor:pointer;border:none;white-space:nowrap}
.btn-primary{background:linear-gradient(135deg,var(--teal),var(--teal-deep));color:#fff;box-shadow:0 12px 24px -12px rgba(11,125,136,.8)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 30px -12px rgba(11,125,136,.9)}
.btn-ghost{background:#fff;color:var(--teal-deep);border:1.5px solid var(--line)}
.btn-ghost:hover{border-color:var(--teal)}

/* ---------- hero ---------- */
.hero{padding:74px 0 0;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:9px;font-size:14px;letter-spacing:2px;color:var(--teal-deep);font-weight:700;background:var(--wash);padding:7px 16px;border-radius:999px;border:1px solid #d3e7e8}
.eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--teal);box-shadow:0 0 0 4px rgba(18,167,180,.18)}
h1.title{font-family:var(--serif);font-weight:700;font-size:clamp(38px,5.4vw,62px);line-height:1.18;margin:22px 0 0;letter-spacing:1px;text-wrap:balance}
h1.title em{font-style:normal;color:var(--teal-deep);position:relative}
h1.title em::after{content:"";position:absolute;left:0;right:0;bottom:6px;height:12px;background:rgba(18,167,180,.16);z-index:-1;border-radius:4px}
.lead{font-size:18px;color:var(--ink-soft);margin-top:22px;max-width:34em}
.hero-cta{display:flex;gap:14px;margin-top:32px;flex-wrap:wrap}
.trust{display:flex;gap:26px;margin-top:34px;flex-wrap:wrap;color:var(--muted);font-size:14px}
.trust b{display:block;font-family:var(--serif);font-size:26px;color:var(--ink);font-weight:700;line-height:1.2}
.trust .seal{color:var(--seal)}
.hero-art{position:relative;height:400px;border-radius:26px;overflow:hidden;box-shadow:var(--shadow);background:linear-gradient(160deg,#1ab4c1 0%,#0b7d88 55%,#0a5b64 100%)}
.hero-art .kanji{position:absolute;inset:0;display:grid;place-items:center;font-family:var(--serif);color:rgba(255,255,255,.14);font-size:230px;font-weight:700;user-select:none}
.hero-art .caption{position:absolute;left:26px;right:26px;bottom:24px;color:#fff;z-index:3}
.hero-art .caption .q{font-family:var(--serif);font-size:24px;line-height:1.5;text-shadow:0 2px 10px rgba(0,0,0,.25)}
.hero-art .caption .a{font-size:13px;opacity:.82;margin-top:8px;letter-spacing:1px}
.waves{position:absolute;left:0;right:0;bottom:0;height:130px;z-index:2}
.divider-wave{display:block;width:100%;height:60px;margin-top:-2px;color:var(--paper)}

/* ---------- sections ---------- */
.band{padding:78px 0}
.band.alt{background:linear-gradient(180deg,#fff,#fbfdfd)}
.sec-head{text-align:center;max-width:640px;margin:0 auto 46px}
.sec-tag{font-size:13px;letter-spacing:3px;color:var(--teal-deep);font-weight:700;text-transform:uppercase}
.sec-head h2{font-family:var(--serif);font-size:clamp(28px,3.6vw,40px);margin-top:12px;letter-spacing:1px;text-wrap:balance}
.sec-head p{color:var(--ink-soft);margin-top:14px;font-size:16px}
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.card{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:28px 24px;transition:transform .2s,box-shadow .25s,border-color .2s}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:#cfe6e8}
.card .ic{width:48px;height:48px;border-radius:13px;background:var(--wash);display:grid;place-items:center;margin-bottom:18px}
.card .ic svg{width:26px;height:26px;stroke:var(--teal-deep);fill:none;stroke-width:1.7}
.card h3{font-size:19px;font-weight:800;letter-spacing:.5px}
.card p{color:var(--ink-soft);font-size:14.5px;margin-top:10px}

/* subjects */
.subjects{display:flex;flex-direction:column;gap:16px}
.subj{background:#fff;border:1px solid var(--line);border-radius:18px;padding:24px 28px;display:grid;grid-template-columns:190px 1fr;gap:24px;align-items:center;transition:box-shadow .2s,transform .2s}
.subj:hover{box-shadow:var(--shadow);transform:translateY(-3px)}
.subj-head{display:flex;flex-direction:column;gap:6px;border-right:1px solid var(--line);padding-right:20px}
.subj-name{font-family:var(--serif);font-size:30px;font-weight:700;color:var(--teal-deep);letter-spacing:2px}
.subj-span{font-size:13px;color:var(--muted)}
.subj-body{display:flex;flex-direction:column;gap:13px}
.subj-desc{color:var(--ink-soft);font-size:15px}
.subj-desc .go{color:var(--seal);font-weight:700;white-space:nowrap}
.chips{display:flex;gap:8px;flex-wrap:wrap}
.chips span,.chips a{font-size:13px;color:var(--teal-ink);background:var(--wash);border:1px solid #d6e9ea;border-radius:8px;padding:4px 12px;transition:all .15s}
.chips a:hover{background:#d7ecee;border-color:var(--teal);color:var(--teal-deep);transform:translateY(-1px)}
.chips span.lv,.chips a.lv{background:linear-gradient(135deg,var(--teal),var(--teal-deep));color:#fff;border:none}
.chips a.lv:hover{opacity:.88;color:#fff}
.ladder-note{text-align:center;color:var(--muted);font-size:13.5px;margin-top:18px}

/* philosophy */
.philo{background:linear-gradient(160deg,#0b7d88,#0a5b64);color:#fff;border-radius:26px;padding:60px 48px;position:relative;overflow:hidden}
.philo .seal{position:absolute;top:34px;right:40px;width:74px;height:74px;border:2px solid rgba(255,255,255,.5);border-radius:12px;display:grid;place-items:center;font-family:var(--serif);color:#fff;transform:rotate(6deg)}
.philo .seal span{font-size:15px;line-height:1.15;text-align:center;letter-spacing:1px}
.philo blockquote{font-family:var(--serif);font-size:clamp(24px,3vw,34px);line-height:1.6;max-width:18em;text-wrap:balance}
.philo .who{margin-top:22px;opacity:.85;font-size:15px;letter-spacing:1px}
.philo::after{content:"";position:absolute;left:-60px;bottom:-90px;width:340px;height:340px;border-radius:50%;background:radial-gradient(circle,rgba(255,255,255,.10),transparent 70%)}

/* results */
.results{display:grid;grid-template-columns:1.1fr 1fr;gap:24px;align-items:stretch}
.honor{background:#fff;border:1px solid var(--line);border-radius:18px;padding:30px;box-shadow:var(--shadow)}
.honor .stamp{display:inline-flex;align-items:center;gap:8px;color:var(--seal);font-weight:700;font-size:14px;border:1.5px solid rgba(192,80,58,.35);padding:5px 14px;border-radius:999px;background:rgba(192,80,58,.05)}
.honor ul{list-style:none;margin-top:20px;display:flex;flex-direction:column;gap:14px}
.honor li{display:flex;gap:12px;font-size:15.5px;padding-bottom:14px;border-bottom:1px dashed var(--line)}
.honor li:last-child{border-bottom:none;padding-bottom:0}
.honor li .tag{flex:none;font-size:12px;font-weight:700;color:var(--teal-deep);background:var(--wash);padding:2px 10px;border-radius:6px;height:fit-content;margin-top:3px}
.honor li a{flex:1;min-width:0;color:var(--ink);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;transition:color .15s}
.honor li a:hover{color:var(--teal-deep)}
.honor-more{display:inline-block;margin-top:16px;font-size:14px;color:var(--seal);font-weight:700}
.honor-more:hover{text-decoration:underline}
.metrics{display:grid;grid-template-rows:repeat(3,1fr);gap:16px}
.metric{background:linear-gradient(150deg,var(--wash-2),#fff);border:1px solid var(--line);border-radius:18px;padding:22px 26px;display:flex;align-items:center;gap:20px}
.metric .num{font-family:var(--serif);font-size:36px;font-weight:700;color:var(--teal-deep);line-height:1;flex:none;min-width:132px}
.metric .lbl{color:var(--ink-soft);font-size:15px}

/* cta */
.cta-band{background:linear-gradient(135deg,#12a7b4,#0a5b64);border-radius:26px;padding:52px;color:#fff;text-align:center;position:relative;overflow:hidden}
.cta-band h2{font-family:var(--serif);font-size:clamp(26px,3.4vw,38px);letter-spacing:1px}
.cta-band p{opacity:.9;margin-top:14px;font-size:16px}
.cta-band .row{display:flex;gap:14px;justify-content:center;margin-top:28px;flex-wrap:wrap}
.cta-band .btn-primary{background:#fff;color:var(--teal-ink)}
.cta-band .btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}

/* ---------- footer ---------- */
.site-footer{background:#0c2b30;color:#b9d2d4;padding:52px 0 26px;margin-top:78px}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr auto;gap:30px}
.foot-qr{text-align:center}
.foot-qr img{width:84px;height:84px;border-radius:8px;display:block;background:#fff;padding:5px}
.foot-qr span{display:block;margin-top:7px;font-size:12px;color:#9fbabd;white-space:nowrap}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:16px;letter-spacing:1px}
.site-footer .fl{display:flex;flex-direction:column;gap:9px;font-size:14px}
.site-footer .fl a:hover{color:#fff}
.foot-brand{color:#fff;margin-bottom:14px;display:flex;align-items:center;gap:10px;font-weight:800;font-size:20px}
.foot-brand span.m{width:30px;height:30px;border-radius:9px;background:linear-gradient(150deg,#1ab4c1,#0a5b64);display:grid;place-items:center;font-family:var(--serif);color:#fff}
.foot-desc{font-size:14px;line-height:1.8;opacity:.8;max-width:24em}
.copy{border-top:1px solid rgba(255,255,255,.12);margin-top:34px;padding-top:20px;font-size:13px;opacity:.7;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}
.copy a{color:inherit}
.copy a:hover{color:#fff;text-decoration:underline}

/* ---------- inner pages (list / article) ---------- */
.inner{padding:38px 0 20px}
.crumb{font-size:14px;color:var(--muted);margin-bottom:22px}
.crumb a:hover{color:var(--teal-deep)}
.crumb .sep{margin:0 8px;opacity:.6}
.list-head{margin-bottom:26px;display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap}
.list-head h1{font-family:var(--serif);font-size:32px;letter-spacing:1px}
.list-head .sub{color:var(--muted);font-size:14px;margin-top:6px}
.list-search{display:flex}
.list-search input{width:210px;border:1.5px solid var(--line);border-right:none;border-radius:10px 0 0 10px;padding:9px 14px;font-size:14px;outline:none;background:#fff;color:var(--ink)}
.list-search input:focus{border-color:var(--teal)}
.list-search button{background:linear-gradient(135deg,var(--teal),var(--teal-deep));color:#fff;border:none;border-radius:0 10px 10px 0;padding:0 18px;cursor:pointer;font-size:14px;font-weight:700}
.foot-search{display:flex;margin-top:16px;max-width:250px}
.foot-search input{flex:1;min-width:0;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.22);border-right:none;border-radius:9px 0 0 9px;padding:8px 12px;color:#fff;font-size:14px;outline:none}
.foot-search input::placeholder{color:#8fadb0}
.foot-search input:focus{border-color:var(--teal)}
.foot-search button{background:var(--teal);color:#fff;border:none;border-radius:0 9px 9px 0;padding:0 16px;font-size:14px;cursor:pointer;font-weight:700}
.post-list{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.post-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:26px 26px 22px;transition:transform .2s,box-shadow .25s,border-color .2s;display:flex;flex-direction:column;gap:12px}
.post-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#cfe6e8}
.post-cat{align-self:flex-start;font-size:12px;font-weight:700;color:var(--teal-deep);background:var(--wash);padding:3px 12px;border-radius:7px}
.post-title{font-family:var(--serif);font-size:20px;font-weight:700;line-height:1.4;color:var(--ink)}
.post-card:hover .post-title{color:var(--teal-deep)}
.post-intro{color:var(--ink-soft);font-size:14.5px;line-height:1.75;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.post-meta{margin-top:auto;display:flex;gap:16px;color:var(--muted);font-size:13px;padding-top:6px}

/* article */
.article{background:#fff;border:1px solid var(--line);border-radius:20px;padding:44px 48px;box-shadow:var(--shadow);max-width:820px;margin:0 auto}
.article-title{font-family:var(--serif);font-size:clamp(26px,3.4vw,36px);line-height:1.35;letter-spacing:.5px;text-wrap:balance}
.article-meta{display:flex;gap:18px;color:var(--muted);font-size:14px;margin:18px 0 26px;padding-bottom:20px;border-bottom:1px solid var(--line)}
.article-meta .cat{color:var(--teal-deep);font-weight:700}
.article-content{font-size:16.5px;line-height:1.95;color:#243b40}
.article-content p{margin:0 0 18px}
.article-content h2,.article-content h3{font-family:var(--serif);margin:30px 0 14px;line-height:1.4;color:var(--ink)}
.article-content h2{font-size:23px;padding-left:14px;border-left:4px solid var(--teal)}
.article-content h3{font-size:19px}
.article-content img{border-radius:12px;margin:14px 0;display:block}
.article-content a{color:var(--teal-deep);border-bottom:1px solid rgba(11,125,136,.35)}
.article-content blockquote{margin:18px 0;padding:14px 20px;background:var(--wash-2);border-left:4px solid var(--teal);border-radius:0 10px 10px 0;color:var(--ink-soft)}
.article-content ul,.article-content ol{margin:0 0 18px 22px}
.article-content li{margin:6px 0}
/* —— 排版清洗：统一从公众号/Word 粘贴带来的杂乱内联样式 —— */
.article-content p,.article-content section,.article-content div,.article-content span,.article-content li,.article-content td{font-family:var(--sans) !important;font-size:16.5px !important;line-height:1.95 !important;color:#243b40 !important;background:transparent !important;letter-spacing:normal !important}
.article-content strong,.article-content b,.article-content strong span,.article-content b span{font-weight:700 !important}
.article-content h1,.article-content h2,.article-content h3,.article-content h4{background:transparent !important}
.article-content h1 span,.article-content h2 span,.article-content h3 span,.article-content h4 span{font-size:inherit !important;font-family:inherit !important;color:inherit !important;line-height:inherit !important}
.article-content a,.article-content a span{color:var(--teal-deep) !important}
.article-content img{max-width:100% !important;height:auto !important}
/* 语文版式：段首空两格（含图片的段落不缩进） */
.article-content p{text-indent:2em}
.article-content p:has(img){text-indent:0}
.article-content h1,.article-content h2,.article-content h3,.article-content h4,.article-content blockquote{text-indent:0}
.article-nav{max-width:820px;margin:22px auto 0;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
.article-nav a{flex:1;min-width:240px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:14px 18px;font-size:14px;color:var(--ink-soft);transition:border-color .2s,color .2s}
.article-nav a:hover{border-color:var(--teal);color:var(--teal-deep)}
.article-nav a b{display:block;font-size:12px;color:var(--muted);font-weight:600;margin-bottom:4px}

/* pagebar（Z-Blog 保留模板输出 span.page / span.page.now-page） */
.pagebar-wrap{margin:36px 0 10px;display:flex;justify-content:center;align-items:center;gap:8px;flex-wrap:wrap}
.pagebar-wrap a{display:inline-flex;text-decoration:none}
.pagebar-wrap .page{display:inline-flex;align-items:center;justify-content:center;min-width:42px;height:42px;padding:0 13px;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--ink-soft);font-size:15px;font-weight:600;transition:border-color .18s,color .18s}
.pagebar-wrap a:hover .page{border-color:var(--teal);color:var(--teal-deep)}
.pagebar-wrap .page.now-page{background:linear-gradient(135deg,var(--teal),var(--teal-deep));color:#fff;border:none}

@media(max-width:1150px){
  .site-header .topbar{height:auto;flex-wrap:wrap;padding:10px 0;align-items:center}
  .mainnav{order:9;width:100%;flex-wrap:wrap;margin:0}
  .mainnav>li>a{padding:9px 11px;font-size:14px}
}
@media(max-width:900px){
  .hero-grid{grid-template-columns:1fr;gap:30px}
  .hero-art{height:300px}
  .cards{grid-template-columns:repeat(2,1fr)}
  .results{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
  .post-list{grid-template-columns:1fr}
  .article{padding:32px 22px}
}
@media(max-width:520px){
  .cards{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .philo{padding:40px 26px}
  .cta-band{padding:38px 22px}
  .subj{grid-template-columns:1fr;gap:14px}
  .subj-head{border-right:none;border-bottom:1px solid var(--line);padding-right:0;padding-bottom:12px;flex-direction:row;align-items:baseline;justify-content:space-between}
}