/* base */
:root{--ink:#202b31;--muted:#626d71;--paper:#f5f3ee;--white:#fff;--accent:#ad3f2c;--line:#d5d6cf;--sea:#173f4b}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:22px}body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;line-height:1.75}a{color:inherit;text-underline-offset:5px}a:hover{color:var(--accent)}a:focus-visible,summary:focus-visible{outline:3px solid var(--accent);outline-offset:5px}h1,h2,h3,p,figure{margin:0}h1,h2,h3{line-height:1.24;letter-spacing:-.03em}img{display:block;max-width:100%}p+p{margin-top:16px}time{display:block;font-size:12px;color:var(--muted);margin-top:19px}.hh-skip{position:absolute;left:12px;top:-80px;background:var(--ink);color:white;padding:12px;z-index:10}.hh-skip:focus{top:12px}
/* layout */
.hh-header,.hh-lead,.hh-cover,.hh-comparison,.hh-reading-section,.hh-bottom-note,.hh-footer{max-width:1240px;margin-inline:auto}.hh-header{min-height:96px;padding:24px 40px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.hh-brand{font-size:31px;font-weight:750;letter-spacing:-.06em;line-height:1;text-decoration:none;display:flex;align-items:baseline;gap:13px}.hh-brand span{font-size:13px;letter-spacing:0;font-weight:550;color:var(--accent)}.hh-menu summary{display:none}.hh-menu nav{display:flex;gap:32px;align-items:center;font-size:13px}.hh-menu a{text-decoration:none}.hh-lead{padding:48px 40px 35px}.hh-lead-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:75px;align-items:end;margin-top:19px}.hh-lead h1{font-size:52px;font-weight:650;line-height:1.13}.hh-lead .hh-answer{max-width:460px;margin:0}.hh-cover{padding:0 40px;display:grid;grid-template-columns:minmax(0,1fr) 285px;gap:0;align-items:stretch}.hh-cover figure{min-width:0}.hh-cover img{width:100%;height:378px;object-fit:cover;object-position:47% 48%}.hh-cover figcaption{font-size:10px;color:var(--muted);padding-top:8px}.hh-cover aside{background:var(--sea);color:white;padding:34px 28px;margin-bottom:25px}.hh-cover aside h2{font-size:28px;margin:21px 0}.hh-cover aside>p:not(.hh-kicker){font-size:14px;color:#dce6e7}.hh-cover aside>a{display:inline-block;margin-top:28px}.hh-cover aside .hh-kicker{color:#d5b4a3}.hh-comparison{padding:62px 40px 55px}.hh-section-head{display:grid;grid-template-columns:1fr 2fr;align-items:center;margin-bottom:26px}.hh-section-head h2{font-size:31px}.hh-reading-section{display:grid;grid-template-columns:.8fr 1.6fr;gap:70px;padding:45px 40px 48px;border-top:2px solid var(--ink)}.hh-reading-section header h2{font-size:31px;margin-top:12px}.hh-notes-list{min-width:0}.hh-bottom-note{margin-bottom:55px;padding:30px 40px;border-top:1px solid var(--line);display:grid;grid-template-columns:1fr 1.4fr auto;gap:28px;align-items:start}.hh-bottom-note h2{font-size:24px}.hh-bottom-note p{font-size:14px;color:var(--muted)}.hh-footer{padding:35px 40px 28px;border-top:1px solid var(--line);display:grid;grid-template-columns:1fr 1fr;gap:25px}.hh-footer strong{font-size:19px}.hh-footer p{font-size:12px;color:var(--muted);margin-top:6px}.hh-footer nav{display:flex;gap:24px;justify-content:flex-end;align-items:start;font-size:12px}.hh-footer .hh-footer-note{grid-column:1/-1;font-size:11px;margin-top:0}.hh-page{max-width:930px;margin:0 auto;padding:50px 40px 70px;min-height:55vh}.hh-page>h1{font-size:42px;margin:16px 0 22px}.hh-page>p{font-size:17px;max-width:760px}.hh-prose{max-width:860px}.hh-prose h2{font-size:26px;margin:34px 0 14px}.hh-prose p{font-size:16px}.hh-reading{max-width:920px;padding:30px 40px 65px;margin:auto}.hh-article{max-width:760px;margin:0 auto}.hh-breadcrumb{display:flex;gap:18px;color:var(--muted);font-size:12px;margin-bottom:26px}.hh-article-head{border-top:5px solid var(--accent);padding-top:25px;padding-bottom:28px;border-bottom:1px solid var(--line)}.hh-article-head h1{font-size:43px;margin-top:16px}.hh-body{margin-top:35px}.hh-body section{margin-bottom:39px}.hh-body h2{font-size:29px;margin-bottom:19px}.hh-body p{font-size:16px;line-height:1.95}.hh-next{max-width:760px;margin:32px auto 0;padding-top:22px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:24px;font-size:13px}
/* components */
.hh-kicker{font-size:11px;color:var(--accent);letter-spacing:.1em;font-weight:650}.hh-answer{font-size:18px;line-height:1.7;margin-top:20px}.hh-actions{display:flex;gap:24px;align-items:center;flex-wrap:wrap;margin-top:24px}.hh-button{display:inline-flex;min-height:46px;align-items:center;justify-content:center;background:var(--accent);color:white;padding:10px 22px;font-size:13px;text-decoration:none}.hh-button:hover{background:#883326;color:white}.hh-underlined{font-size:13px;font-weight:600}.hh-compare-head,.hh-compare-row{display:grid;grid-template-columns:.7fr 1.7fr .65fr;gap:30px;align-items:start}.hh-compare-head{font-size:11px;color:var(--muted);padding:12px 0;border-top:1px solid var(--ink);border-bottom:1px solid var(--line)}.hh-compare-row{padding:21px 0;border-bottom:1px solid var(--line)}.hh-compare-row h3{font-size:21px}.hh-compare-row p{font-size:15px;color:var(--muted)}.hh-compare-row a{font-size:13px;justify-self:start}.hh-note{padding:24px 0;border-bottom:1px solid var(--line)}.hh-note:first-child{padding-top:0}.hh-note h2{font-size:26px;margin-top:9px}.hh-note h2 a{text-decoration:none}.hh-note>p:not(.hh-kicker){font-size:15px;color:var(--muted);margin-top:13px}.hh-pair{display:grid;grid-template-columns:150px minmax(0,1fr);gap:24px;padding:20px 0;border-top:1px solid var(--line)}.hh-pair h3{font-size:17px;line-height:1.55;color:var(--accent)}.hh-pair p{font-size:15px}.hh-pair:last-child{border-bottom:1px solid var(--line)}.hh-source{border-left:3px solid var(--accent);padding:8px 0 8px 20px;margin-top:20px}.hh-source h2{font-size:15px;margin-bottom:8px}.hh-source p{font-size:12px;color:var(--muted)}.hh-help-list{margin:30px 0}.hh-help-list details{padding:20px 0;border-bottom:1px solid var(--line)}.hh-help-list summary{cursor:pointer;font-size:20px;font-weight:600}.hh-help-list details p{margin-top:16px;font-size:15px}.hh-feedback{background:#e9ece6;padding:28px;margin-top:34px}.hh-feedback h2{font-size:24px;margin-bottom:17px}.hh-feedback dl{margin:0}.hh-feedback dl>div{display:grid;grid-template-columns:70px 1fr;gap:20px;padding:11px 0;border-bottom:1px solid #d1d6ce}.hh-feedback dt{font-weight:600}.hh-feedback dd{margin:0;font-size:14px}.hh-feedback>p{font-size:14px;margin-top:20px}
/* responsive */
@media(min-width:701px){.hh-menu nav{display:flex!important}}@media(max-width:900px){.hh-lead-grid{gap:35px}.hh-lead h1{font-size:42px}.hh-cover{grid-template-columns:minmax(0,1fr) 240px}.hh-cover aside{padding:26px 22px}.hh-cover aside h2{font-size:25px}.hh-bottom-note{grid-template-columns:1fr 1.4fr}.hh-bottom-note>a{grid-column:2}}
@media(max-width:700px){.hh-header{min-height:78px;padding:22px 23px;align-items:flex-start}.hh-brand{font-size:27px;gap:9px}.hh-brand span{font-size:11px}.hh-menu summary{display:block;cursor:pointer;font-size:12px;min-height:30px;padding-top:3px}.hh-menu nav{display:flex;flex-direction:column;gap:16px;padding-top:17px;align-items:flex-end;font-size:12px}.hh-lead{padding:31px 23px 26px}.hh-lead-grid{display:block;margin-top:17px}.hh-lead h1{font-size:36px;line-height:1.17}.hh-lead .hh-answer{font-size:15px;margin-top:19px;line-height:1.7}.hh-actions{gap:15px;margin-top:20px}.hh-button{font-size:12px;padding:10px 15px}.hh-underlined{font-size:12px}.hh-cover{padding:0 23px;display:block}.hh-cover img{height:auto;aspect-ratio:1.6;object-position:30% center}.hh-cover figcaption{font-size:9px;padding-top:7px}.hh-cover aside{margin-top:23px;margin-bottom:0;padding:23px 24px}.hh-cover aside h2{font-size:26px;margin:11px 0}.hh-cover aside h2 br{display:none}.hh-cover aside>a{margin-top:17px}.hh-cover aside>p:not(.hh-kicker){font-size:14px}.hh-comparison{padding:36px 23px}.hh-section-head{display:block;margin-bottom:22px}.hh-section-head h2{font-size:27px;margin-top:10px}.hh-compare-head{display:none}.hh-compare-row{grid-template-columns:1fr;gap:10px;padding:21px 0}.hh-compare-row:first-of-type{border-top:1px solid var(--line)}.hh-compare-row h3{font-size:22px}.hh-compare-row p{font-size:14px}.hh-reading-section{padding:31px 23px;display:block}.hh-reading-section header h2{font-size:27px}.hh-reading-section .hh-notes-list{margin-top:28px}.hh-note{padding:24px 0}.hh-note h2{font-size:24px}.hh-note>p:not(.hh-kicker){font-size:14px}.hh-bottom-note{padding:27px 23px;display:block;margin-bottom:25px}.hh-bottom-note h2{font-size:23px}.hh-bottom-note p{margin:15px 0}.hh-footer{padding:27px 23px;display:block}.hh-footer nav{justify-content:flex-start;margin-top:24px;gap:22px}.hh-footer .hh-footer-note{margin-top:24px;font-size:10px}.hh-page{padding:32px 23px 50px}.hh-page>h1{font-size:31px}.hh-page>p{font-size:15px}.hh-reading{padding:23px 23px 45px}.hh-breadcrumb{gap:14px;font-size:11px;margin-bottom:22px}.hh-article-head{padding:21px 0 24px}.hh-article-head h1{font-size:30px;line-height:1.25}.hh-answer{font-size:16px;margin-top:18px}.hh-body{margin-top:27px}.hh-body h2{font-size:25px}.hh-body p{font-size:16px;line-height:1.95}.hh-body section{margin-bottom:33px}.hh-pair{grid-template-columns:1fr;gap:9px;padding:18px 0}.hh-pair h3{font-size:17px}.hh-pair p{font-size:15px}.hh-next{flex-direction:column;gap:15px}.hh-prose h2{font-size:24px}.hh-prose p{font-size:15px}.hh-help-list summary{font-size:19px}.hh-feedback{padding:23px 20px}.hh-feedback h2{font-size:22px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}