:root{--paper:#f8f7f1;--ink:#1d1926;--muted:#676171;--violet:#1c1535;--mint:#b7d7c8;--mint-soft:#eaf2ed;--coral:#e65b45;--line:#dedbd3;--font:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;--radius-sm:.75rem;--radius-md:1.15rem;--radius-lg:1.75rem;--radius-xl:2.35rem;--shadow-sm:0 8px 24px #1c153514;--shadow-md:0 18px 45px #1c153521;--shadow-lg:0 28px 70px #120c2533;--motion:.22s cubic-bezier(.2,.8,.2,1)}*{box-sizing:border-box}html{scroll-behavior:smooth;background:var(--paper)}body{background:var(--paper);color:var(--ink);font-family:var(--font);margin:0;font-size:16px;line-height:1.65}a{color:inherit}button,input,select{font:inherit}button{cursor:pointer}.skip{z-index:100;background:var(--paper);border-radius:999px;padding:.7rem 1rem;position:fixed;top:-5rem;left:1rem}.skip:focus{top:1rem}.masthead{z-index:20;border-bottom:1px solid var(--line);backdrop-filter:blur(18px);background:#f8f7f1ed;grid-template-columns:auto 1fr auto;align-items:center;gap:2rem;padding:1rem clamp(1rem,4vw,4rem);display:grid;position:relative}.masthead.on-image{color:#fff;background:linear-gradient(#120c25c2,#0000);border:0;position:absolute;inset:0 0 auto}.identity{align-items:center;gap:.7rem;line-height:1;text-decoration:none;display:flex}.identity b{letter-spacing:-.03em;font-size:1.2rem;display:block}.identity small{letter-spacing:.13em;text-transform:uppercase;opacity:.72;margin-top:.22rem;font-size:.64rem;display:block}.identity-mark{background:var(--coral);width:2.15rem;height:2.15rem;box-shadow:inset 0 0 0 7px var(--violet);border-radius:50%;display:block;position:relative}.identity-mark i{background:var(--mint);border:2px solid var(--violet);border-radius:50%;width:.42rem;height:.42rem;position:absolute}.identity-mark i:first-child{top:.42rem;left:.16rem}.identity-mark i:nth-child(2){top:.82rem;right:.04rem}.identity-mark i:nth-child(3){bottom:.02rem;left:.82rem}.masthead nav{justify-content:center;gap:clamp(1rem,3vw,2.4rem);display:flex}.masthead nav a{letter-spacing:.02em;font-size:.82rem;font-weight:600;text-decoration:none;position:relative}.masthead nav a:after{content:"";background:var(--coral);height:2px;transition:right var(--motion);position:absolute;bottom:-.4rem;left:0;right:100%}.masthead nav a:hover:after,.masthead nav a:focus-visible:after{right:0}.nav-ask,.menu-toggle{background:var(--violet);color:#fff;box-shadow:var(--shadow-sm);transition:transform var(--motion),background var(--motion);border:0;border-radius:999px;padding:.72rem 1.1rem;font-size:.78rem;font-weight:700}.on-image .nav-ask{background:var(--coral)}.nav-ask:hover,.menu-toggle:hover{transform:translateY(-2px)}.menu-toggle{display:none}.hero{color:#fff;background:linear-gradient(90deg,#120c25f5 0%,#120c25c7 46%,#120c2538 100%),url(https://img.any.ac/edu/any-ac-academic-library-research-2026-auto.jpg) 50%/cover;grid-template-columns:minmax(0,1.1fr) minmax(19rem,.9fr);align-items:end;gap:3rem;min-height:94svh;padding:clamp(9rem,16vw,13rem) clamp(1rem,6vw,6.5rem) clamp(3rem,7vw,6rem);display:grid;position:relative;overflow:hidden}.hero:after{content:"";border:1px solid #b7d7c85c;border-radius:50%;width:54vw;height:54vw;position:absolute;inset:auto -12vw -27vw auto;box-shadow:0 0 0 8vw #b7d7c80d,0 0 0 16vw #b7d7c80a}.hero-copy,.hero-orbit{z-index:1;position:relative}.hero-kicker,.eyebrow{letter-spacing:.16em;text-transform:uppercase;align-items:center;gap:.5rem;font-size:.67rem;font-weight:700;display:inline-flex}.hero-kicker:before,.eyebrow:before{content:"";background:currentColor;width:1.8rem;height:1px}.hero h1{letter-spacing:-.065em;max-width:880px;margin:.8rem 0 1.2rem;font-size:clamp(3.4rem,8vw,8.4rem);font-weight:520;line-height:.86}.hero h1 em{color:var(--mint);font-style:normal}.hero-copy>p{color:#ffffffd1;max-width:620px;font-size:clamp(1rem,1.4vw,1.25rem)}.hero-actions{flex-wrap:wrap;gap:.8rem;margin-top:2rem;display:flex}.button{background:var(--coral);color:#fff;min-height:46px;box-shadow:var(--shadow-sm);transition:transform var(--motion),box-shadow var(--motion),background var(--motion);border:0;border-radius:999px;justify-content:center;align-items:center;padding:.82rem 1.25rem;font-size:.8rem;font-weight:750;text-decoration:none;display:inline-flex}.button:hover,.button:focus-visible{box-shadow:var(--shadow-md);transform:translateY(-3px)}.button.pale{backdrop-filter:blur(10px);background:#ffffff1f;border:1px solid #ffffff57}.hero-orbit{border-radius:var(--radius-xl);backdrop-filter:blur(18px);width:min(29rem,100%);box-shadow:var(--shadow-lg);background:#f6f4ee1f;border:1px solid #fff3;justify-self:end;padding:1.25rem}.orbit-title{text-transform:uppercase;letter-spacing:.12em;justify-content:space-between;align-items:center;gap:1rem;padding:.3rem .3rem 1rem;font-size:.72rem;display:flex}.orbit-title i{background:var(--mint);border-radius:50%;width:.5rem;height:.5rem;box-shadow:0 0 0 .35rem #b7d7c826}.orbit-map{border-radius:calc(var(--radius-xl) - .55rem);background:#120c257a;min-height:18rem;position:relative;overflow:hidden}.orbit-map:before,.orbit-map:after{content:"";border:1px solid #ffffff47;border-radius:50%;position:absolute;inset:12%}.orbit-map:after{inset:27%}.orbit-node{background:var(--paper);color:var(--violet);box-shadow:var(--shadow-sm);border-radius:999px;padding:.55rem .76rem;font-size:.72rem;font-weight:700;position:absolute}.orbit-node:first-child{top:14%;left:8%}.orbit-node:nth-child(2){top:24%;right:6%}.orbit-node:nth-child(3){background:var(--mint);top:43%;left:31%}.orbit-node:nth-child(4){bottom:13%;left:7%}.orbit-node:nth-child(5){background:var(--coral);color:#fff;bottom:11%;right:10%}.trust-ribbon{background:var(--violet);color:#fff;grid-template-columns:repeat(4,1fr);display:grid}.trust-ribbon div{border-right:1px solid #ffffff24;padding:1.35rem clamp(1rem,3vw,3rem)}.trust-ribbon b{letter-spacing:-.04em;font-size:1.45rem;display:block}.trust-ribbon span{color:#ffffffad;font-size:.73rem}.section{padding:clamp(4rem,9vw,8rem) clamp(1rem,6vw,6.5rem)}.section.mint{background:var(--mint-soft)}.section.violet{background:var(--violet);color:#fff}.section-heading{grid-template-columns:minmax(0,1fr) minmax(18rem,.55fr);align-items:end;gap:3rem;margin-bottom:clamp(2rem,5vw,4rem);display:grid}.section-heading h2,.page-hero h1{letter-spacing:-.055em;margin:.5rem 0 0;font-size:clamp(2.4rem,5.6vw,5.8rem);font-weight:520;line-height:.95}.section-heading p{color:var(--muted);max-width:610px;margin:0}.violet .section-heading p{color:#ffffffb3}.lens{border-radius:var(--radius-xl);box-shadow:var(--shadow-lg);border:1px solid var(--line);background:#fff;grid-template-columns:minmax(18rem,.72fr) minmax(0,1.28fr);display:grid;overflow:hidden}.lens-form{background:var(--violet);color:#fff;padding:clamp(1.4rem,4vw,3.5rem)}.step{margin-bottom:1.5rem}.step>span{letter-spacing:.14em;text-transform:uppercase;color:var(--mint);margin-bottom:.6rem;font-size:.67rem;display:block}.choice-grid{grid-template-columns:1fr 1fr;gap:.5rem;display:grid}.choice{position:relative}.choice input{opacity:0;position:absolute}.choice label{border-radius:var(--radius-sm);cursor:pointer;min-height:44px;transition:background var(--motion),border var(--motion),transform var(--motion);background:#ffffff0f;border:1px solid #ffffff2e;align-items:center;padding:.65rem .75rem;font-size:.74rem;display:flex}.choice input:checked+label{background:var(--mint);color:var(--violet);border-color:var(--mint);transform:translateY(-1px)}.choice input:focus-visible+label{outline-offset:2px;outline:3px solid #e65b458c}.lens-result{background:linear-gradient(145deg,#fff 0%,var(--paper) 100%);padding:clamp(1.4rem,4vw,3.5rem)}.result-empty{text-align:center;height:100%;min-height:28rem;color:var(--muted);place-content:center;display:grid}.result-empty .constellation{border:1px solid var(--line);border-radius:50%;width:6rem;height:6rem;margin:0 auto 1.5rem;display:block;box-shadow:0 0 0 1rem #b7d7c829,0 0 0 2rem #b7d7c814}.result-list{gap:.85rem;display:grid}.result-card{border:1px solid var(--line);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);background:#fff;grid-template-columns:auto 1fr auto;align-items:start;gap:1rem;padding:1.1rem;animation:.35s both rise;display:grid}.result-rank{background:var(--mint);width:2.4rem;height:2.4rem;color:var(--violet);border-radius:50%;place-items:center;font-weight:800;display:grid}.result-card h3{margin:0;font-size:1.06rem}.result-card p{color:var(--muted);margin:.25rem 0 0;font-size:.82rem}.result-card a{color:var(--coral);font-size:.72rem;font-weight:750;text-decoration:none}.result-note{border-radius:var(--radius-md);background:var(--mint-soft);margin-top:1rem;padding:1rem;font-size:.78rem}.field-grid{grid-template-columns:repeat(3,1fr);gap:1rem;display:grid}.field-card{border-radius:var(--radius-lg);border:1px solid var(--line);min-height:18rem;box-shadow:var(--shadow-sm);transition:transform var(--motion),box-shadow var(--motion);background:#fff;padding:1.6rem;text-decoration:none;position:relative;overflow:hidden}.field-card:hover{box-shadow:var(--shadow-md);transform:translateY(-5px)}.field-code{letter-spacing:.14em;text-transform:uppercase;color:var(--muted);justify-content:space-between;align-items:center;font-size:.68rem;display:flex}.field-code i{background:var(--coral);border-radius:50%;width:.55rem;height:.55rem}.field-card h3{letter-spacing:-.035em;margin:3.5rem 0 .5rem;font-size:1.45rem;font-weight:590;line-height:1.1}.field-card p{color:var(--muted);font-size:.82rem}.field-card:after{content:"↗";color:var(--coral);font-size:1.3rem;position:absolute;bottom:1.15rem;right:1.4rem}.method-flow{grid-template-columns:repeat(5,1fr);gap:.75rem;display:grid}.method-chip{border-radius:var(--radius-md);background:#ffffff12;border:1px solid #ffffff21;padding:1.25rem}.method-chip b{color:var(--mint);letter-spacing:.12em;text-transform:uppercase;font-size:.7rem;display:block}.method-chip strong{margin:.7rem 0;font-size:1rem;display:block}.method-chip span{color:#ffffffad;font-size:.75rem}.page-hero{background:var(--violet);color:#fff;grid-template-columns:minmax(0,1fr) minmax(16rem,.4fr);align-items:end;gap:3rem;min-height:34rem;padding:clamp(6rem,12vw,10rem) clamp(1rem,6vw,6.5rem) clamp(3rem,6vw,5rem);display:grid}.page-hero p{color:#ffffffb8;max-width:570px}.page-hero .hero-index{text-align:center;background:var(--mint);width:13rem;height:13rem;color:var(--violet);border-radius:50%;place-content:center;place-self:center end;display:grid;box-shadow:0 0 0 1.5rem #b7d7c817,0 0 0 3rem #b7d7c80d}.hero-index strong{font-size:3rem;line-height:1;display:block}.hero-index span{text-transform:uppercase;letter-spacing:.12em;font-size:.7rem}.article-shell{grid-template-columns:minmax(0,1fr) 18rem;gap:clamp(2rem,7vw,7rem);padding:clamp(3rem,7vw,7rem) clamp(1rem,8vw,9rem);display:grid}.article{max-width:780px}.article h2{letter-spacing:-.04em;margin:2.7rem 0 .8rem;font-size:clamp(1.8rem,3vw,2.7rem);font-weight:560;line-height:1.05}.article h3{margin:2rem 0 .4rem}.article p,.article li{color:#3f3b4a}.direct-answer{border-radius:var(--radius-lg);background:var(--mint-soft);border-left:3px solid var(--coral);padding:1.4rem;font-size:1.06rem}.method-list,.question-list{gap:.65rem;padding:0;list-style:none;display:grid}.method-list li,.question-list li{border-radius:var(--radius-md);border:1px solid var(--line);box-shadow:var(--shadow-sm);background:#fff;padding:1rem 1.1rem}.aside-card{border-radius:var(--radius-lg);background:var(--violet);color:#fff;align-self:start;padding:1.25rem;position:sticky;top:1rem}.aside-card b{letter-spacing:.13em;text-transform:uppercase;color:var(--mint);font-size:.68rem;display:block}.aside-card a{border-bottom:1px solid #ffffff26;padding:.65rem 0;font-size:.78rem;text-decoration:none;display:block}.aside-card p{color:#ffffffa6;font-size:.72rem}.source-card{border-radius:var(--radius-lg);border:1px solid var(--line);box-shadow:var(--shadow-sm);background:#fff;margin:1rem 0;padding:1.2rem}.source-card a{color:var(--coral);font-weight:700}.revision-note{border-radius:var(--radius-lg);background:#fff0ec;border:1px solid #f4c6bb;padding:1.3rem}.faq-list{max-width:900px;margin:auto}.faq-list details{border-top:1px solid var(--line);padding:1.1rem 0}.faq-list summary{cursor:pointer;font-weight:700}.faq-list p{color:var(--muted)}.site-footer{color:#fff;background:#120c25;grid-template-columns:1fr 1fr;gap:3rem;padding:clamp(3rem,7vw,6rem) clamp(1rem,6vw,6.5rem) 2rem;display:grid}.footer-lead{align-items:flex-start;gap:1rem;display:flex}.footer-lead strong{letter-spacing:-.04em;font-size:2rem}.footer-lead p{color:#fff9;margin:.2rem 0}.footer-links{grid-template-columns:1fr 1fr;gap:2rem;display:grid}.footer-links b{color:var(--mint);text-transform:uppercase;letter-spacing:.13em;margin-bottom:.5rem;font-size:.7rem;display:block}.footer-links a{color:#ffffffc7;padding:.25rem 0;font-size:.8rem;text-decoration:none;display:block}.footer-boundary{color:#ffffff8c;border-top:1px solid #ffffff21;grid-column:1/-1;max-width:880px;padding-top:2rem;font-size:.72rem}.site-footer>small{color:#fff6;grid-column:1/-1}.not-found{text-align:center;place-content:center;min-height:70vh;padding:2rem;display:grid}.not-found strong{color:var(--mint);text-shadow:0 0 0 1px var(--violet);font-size:clamp(6rem,18vw,14rem);line-height:.8}.not-found h1{font-size:2.2rem}.any-lead-hide{display:none!important}@keyframes rise{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}@media (width<=1000px){.masthead{grid-template-columns:auto auto auto}.menu-toggle{justify-self:end;display:block}.masthead nav{border-radius:var(--radius-md);background:var(--paper);color:var(--ink);box-shadow:var(--shadow-lg);flex-direction:column;padding:1rem;display:none;position:absolute;top:100%;left:1rem;right:1rem}.masthead nav.open{display:flex}.hero{grid-template-columns:1fr;padding-top:10rem}.hero-orbit{justify-self:start}.section-heading,.page-hero{grid-template-columns:1fr}.page-hero .hero-index{justify-self:start}.lens{grid-template-columns:1fr}.field-grid,.method-flow{grid-template-columns:repeat(2,1fr)}.article-shell{grid-template-columns:1fr}.aside-card{position:relative}.trust-ribbon{grid-template-columns:repeat(2,1fr)}}@media (width<=620px){.masthead{gap:.6rem;padding:.8rem 1rem}.identity b{font-size:1rem}.identity small{display:none}.identity-mark{width:1.8rem;height:1.8rem}.nav-ask{display:none}.hero{min-height:auto;padding:8rem 1rem 3rem}.hero h1{font-size:clamp(3.3rem,17vw,5.2rem)}.hero-orbit{width:100%}.orbit-map{min-height:14rem}.trust-ribbon{grid-template-columns:1fr 1fr}.trust-ribbon div{padding:1rem}.section{padding:3.6rem 1rem}.section-heading{gap:1.2rem}.choice-grid,.field-grid,.method-flow{grid-template-columns:1fr}.field-card{min-height:14rem}.field-card h3{margin-top:2rem}.page-hero{min-height:28rem;padding:7rem 1rem 3rem}.page-hero .hero-index{width:9rem;height:9rem}.article-shell{padding:3rem 1rem}.site-footer{grid-template-columns:1fr;padding:3rem 1rem 2rem}.footer-links{grid-template-columns:1fr 1fr}.footer-boundary,.site-footer>small{grid-column:1}.result-card{grid-template-columns:auto 1fr}.result-card>a{grid-column:2}.lens-form,.lens-result{padding:1.2rem}.result-empty{min-height:18rem}}@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}