:root{--ink:#102044;--muted:#66718b;--blue:#4564c8;--coral:#eb806c;--line:rgba(62,79,128,.17);--paper:rgba(255,255,255,.82);--shadow:rgba(38,54,98,.11)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);font-family:"Microsoft YaHei","PingFang SC",sans-serif;background:radial-gradient(circle at 10% 8%,rgba(69,100,200,.15),transparent 31%),radial-gradient(circle at 92% 22%,rgba(235,128,108,.14),transparent 28%),#f7f8fc}.guide-page::before{content:"";position:fixed;inset:0;pointer-events:none;opacity:.12;background-image:radial-gradient(#385095 .6px,transparent .6px);background-size:14px 14px}.guide-nav{position:sticky;z-index:20;top:0;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;padding:16px max(24px,calc((100vw - 1180px)/2));border-bottom:1px solid var(--line);background:rgba(248,249,253,.85);backdrop-filter:blur(20px)}.guide-nav>a:last-child{justify-self:end}.guide-nav a{color:var(--ink);font-size:10px;font-weight:900;text-decoration:none}.guide-nav nav{display:flex;gap:20px}.guide-nav nav a{color:var(--muted)}.guide-shell{position:relative;z-index:1;width:min(1180px,calc(100% - 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span{color:var(--muted);font-size:11px;line-height:1.8}.mechanic-list{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}.mechanic-list article{display:grid;grid-template-columns:45px 1fr;gap:15px;padding:23px;border:1px solid var(--line);border-radius:21px;background:#fff}.mechanic-list i{display:grid;place-items:center;width:40px;height:40px;border-radius:50%;background:#edf2ff;color:var(--blue);font:900 15px Georgia,serif;font-style:normal}.mechanic-list b{font:900 14px SimSun,serif}.mechanic-list p{margin:8px 0 0;color:var(--muted);font-size:10px;line-height:1.75}.workflow-list{display:grid;grid-template-columns:repeat(5,1fr);gap:1px;margin:0;padding:0;border:1px solid var(--line);border-radius:22px;background:var(--line);overflow:hidden;list-style:none}.workflow-list li{min-height:150px;padding:20px;background:#fff}.workflow-list i,.workflow-list b,.workflow-list span{display:block}.workflow-list i{color:var(--coral);font:900 20px 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SimSun,serif}.guide-paper>span{display:block;color:var(--muted);font-size:10px}.paper-data{display:flex;flex-wrap:wrap;gap:6px;margin-top:18px}.paper-data i{padding:5px 7px;border-radius:999px;background:#edf2ff;color:#52617f;font-size:8px;font-style:normal}.guide-paper.gate{box-shadow:inset 0 0 0 2px rgba(69,100,200,.55)}
@media(max-width:900px){.guide-nav nav{display:none}.guide-shell{width:calc(100% - 28px)}.guide-hero{padding:48px}.stage-grid{grid-template-columns:repeat(2,1fr)}.guide-route{grid-template-columns:repeat(2,1fr)}.workflow-list{grid-template-columns:repeat(2,1fr)}}
@media(max-width:620px){.guide-nav{grid-template-columns:1fr auto;padding:15px}.guide-shell{margin-top:14px}.guide-hero,.guide-section{padding:26px;border-radius:27px}.guide-hero>div{align-items:stretch;flex-direction:column}.difference-board,.mechanic-list,.stage-grid,.guide-route,.workflow-list{grid-template-columns:1fr}.route-tools{align-items:flex-start;flex-direction:column}.guide-section>header{grid-template-columns:42px 1fr}.guide-section>header>b{font-size:27px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}

/* Balanced reading scale */
.guide-nav a{font-size:12px}.guide-hero h1{font-size:clamp(42px,6.2vw,72px)}.guide-hero>span{font-size:16px;line-height:1.9}.guide-hero>div a{font-size:12px}.difference-board small,.mechanic-list p,.workflow-list span,.stage-grid span,.guide-section header span,.guide-paper>span{font-size:12px}.difference-board span{font-size:13px}.mechanic-list b{font-size:15px}.workflow-list b{font-size:14px}.route-tools button,.route-tools>a,.guide-paper small,.guide-paper em{font-size:10px}.paper-data i{font-size:10px}
.guide-page{--ink:var(--card-title,#102044);--muted:var(--card-muted,#66718b);--blue:var(--card-accent,#4564c8);--coral:var(--theme-warm,#eb806c);--line:var(--card-border,rgba(62,79,128,.17));--paper:var(--card-bg,rgba(255,255,255,.82));--shadow:var(--card-shadow,rgba(38,54,98,.11))}

#guide-start{position:relative;overflow:hidden;isolation:isolate;animation:guide-start-breathe 2.4s ease-in-out infinite}
#guide-start::before{content:"";position:absolute;z-index:-1;inset:-45% auto -45% -35%;width:30%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.82),transparent);transform:skewX(-18deg);animation:guide-start-glint 2.8s ease-in-out infinite}
@keyframes guide-start-breathe{0%,100%{box-shadow:0 10px 24px rgba(16,32,68,.14)}50%{box-shadow:0 17px 34px rgba(69,100,200,.34)}}
@keyframes guide-start-glint{0%,50%{left:-35%}82%,100%{left:125%}}
html[data-motion="off"] #guide-start,html[data-motion="off"] #guide-start::before{animation:none!important}
@media(prefers-reduced-motion:reduce){#guide-start,#guide-start::before{animation:none!important}}